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| <div class="subTitle">org.eclipse.persistence.descriptors</div> |
| <h2 title="Class FetchGroupManager" class="title">Class FetchGroupManager</h2> |
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| <li>org.eclipse.persistence.descriptors.FetchGroupManager</li> |
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| <pre>public class <span class="typeNameLabel">FetchGroupManager</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> |
| implements <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Cloneable.html?is-external=true" title="class or interface in java.lang">Cloneable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></pre> |
| <div class="block"><p><b>Purpose</b>: The fetch group manager controls the named fetch groups defined at |
| the descriptor level. EclipseLink supports multiple, overlapped fetch groups, optionally with |
| one of them as the default fetch group. |
| <p> |
| The domain object must implement org.eclipse.persistence.queries.FetchGroupTracker interface, |
| in order to make use of the fetch group performance enhancement feature. |
| <p> |
| Please refer to FetchGroup class for the pros and cons of fetch group usage.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries"><code>FetchGroup</code></a>, |
| <a href="../../../../org/eclipse/persistence/queries/FetchGroupTracker.html" title="interface in org.eclipse.persistence.queries"><code>FetchGroupTracker</code></a>, |
| <a href="../../../../serialized-form.html#org.eclipse.persistence.descriptors.FetchGroupManager">Serialized Form</a></dd> |
| <dt><span class="simpleTagLabel">Author:</span></dt> |
| <dd>King Wang, dclarke</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>TopLink 10.1.3.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#FetchGroupManager--">FetchGroupManager</a></span>()</code> |
| <div class="block">Constructor</div> |
| </td> |
| </tr> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#addFetchGroup-org.eclipse.persistence.queries.FetchGroup-">addFetchGroup</a></span>(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> group)</code> |
| <div class="block">Add a named fetch group to the descriptor</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#addMinimalFetchGroup-org.eclipse.persistence.queries.FetchGroup-">addMinimalFetchGroup</a></span>(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> fetchGroup)</code> |
| <div class="block">INTERNAL: |
| Add primary key and version attributes to the passed fetch group.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#clone--">clone</a></span>()</code> |
| <div class="block">INTERNAL: |
| Clone the fetch group manager.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#copyAggregateFetchGroupInto-java.lang.Object-java.lang.Object-java.lang.Object-org.eclipse.persistence.internal.sessions.AbstractSession-">copyAggregateFetchGroupInto</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> source, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> target, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> rootEntity, |
| org.eclipse.persistence.internal.sessions.AbstractSession session)</code> |
| <div class="block">INTERNAL: |
| Copy fetch group reference from the source object to the target</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#copyFetchGroupInto-java.lang.Object-java.lang.Object-org.eclipse.persistence.internal.sessions.AbstractSession-">copyFetchGroupInto</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> source, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> target, |
| org.eclipse.persistence.internal.sessions.AbstractSession session)</code> |
| <div class="block">INTERNAL: |
| Copy fetch group reference from the source object to the target</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#createDefaultFetchGroup--">createDefaultFetchGroup</a></span>()</code> |
| <div class="block">PUBLIC: |
| Returns clone of the default fetch group.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#createFullFetchGroup--">createFullFetchGroup</a></span>()</code> |
| <div class="block">PUBLIC: |
| Returns clone of the full fetch group - contains all the attributes, no nesting.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#createMinimalFetchGroup--">createMinimalFetchGroup</a></span>()</code> |
| <div class="block">PUBLIC: |
| Returns clone of the minimal fetch group.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>org.eclipse.persistence.internal.queries.EntityFetchGroup</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#flatUnionFetchGroups-org.eclipse.persistence.queries.FetchGroup-org.eclipse.persistence.queries.FetchGroup-boolean-">flatUnionFetchGroups</a></span>(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> first, |
| <a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> second, |
| boolean shouldClone)</code> |
| <div class="block">INTERNAL: |
| Union two fetch groups as EntityFetchGroups.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>org.eclipse.persistence.internal.queries.EntityFetchGroup</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#getDefaultEntityFetchGroup--">getDefaultEntityFetchGroup</a></span>()</code> |
| <div class="block">INTERNAL: |
| Returns EntityFetchGroup corresponding to default FetchGroup.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#getDefaultFetchGroup--">getDefaultFetchGroup</a></span>()</code> |
| <div class="block">Return the descriptor-level default fetch group.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/eclipse/persistence/descriptors/ClassDescriptor.html" title="class in org.eclipse.persistence.descriptors">ClassDescriptor</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#getDescriptor--">getDescriptor</a></span>()</code> |
| <div class="block">PUBLIC: |
| Return the referenced descriptor.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>org.eclipse.persistence.internal.queries.EntityFetchGroup</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#getEntityFetchGroup-org.eclipse.persistence.queries.FetchGroup-">getEntityFetchGroup</a></span>(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> fetchGroup)</code> |
| <div class="block">INTERNAL: |
| Returns entity fetch group corresponding to the passed fetch group.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>org.eclipse.persistence.internal.queries.EntityFetchGroup</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#getEntityFetchGroup-java.util.Set-">getEntityFetchGroup</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> attributeNames)</code> |
| <div class="block">INTERNAL: |
| Returns entity fetch group corresponding to the passed set of attributes.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#getFetchGroup-java.lang.String-">getFetchGroup</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> groupName)</code> |
| <div class="block">Return a pre-defined named fetch group.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#getFetchGroup-java.lang.String-boolean-">getFetchGroup</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> groupName, |
| boolean useDefault)</code> |
| <div class="block">Lookup the FetchGroup to use given a name and a flag taking into |
| consideration descriptor inheritance to ensure parent descriptors are |
| searched for named and default FetchGroup.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#getFetchGroups--">getFetchGroups</a></span>()</code> |
| <div class="block">Return the fetch group map: keyed by the group name, valued by the fetch group object.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>org.eclipse.persistence.internal.queries.EntityFetchGroup</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#getIdEntityFetchGroup--">getIdEntityFetchGroup</a></span>()</code> |
| <div class="block">INTERNAL: |
| Returns EntityFetchGroup corresponding to primary key attribute(s).</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>org.eclipse.persistence.internal.queries.EntityFetchGroup</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#getNonReferenceEntityFetchGroup--">getNonReferenceEntityFetchGroup</a></span>()</code> |
| <div class="block">INTERNAL: |
| Returns EntityFetchGroup corresponding to non relational attributes |
| intersected with defaultFetchGroup.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>org.eclipse.persistence.internal.queries.EntityFetchGroup</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#getNonReferenceEntityFetchGroup-boolean-boolean-">getNonReferenceEntityFetchGroup</a></span>(boolean addPk, |
| boolean addVersion)</code> |
| <div class="block">INTERNAL: |
| Returns EntityFetchGroup corresponding to non relational attributes |
| intersected with defaultFetchGroup.</div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>org.eclipse.persistence.internal.queries.EntityFetchGroup</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#getObjectEntityFetchGroup-java.lang.Object-">getObjectEntityFetchGroup</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> domainObject)</code> |
| <div class="block">INTERNAL: |
| Return FetchGroup held by the object.</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#getObjectFetchGroup-java.lang.Object-">getObjectFetchGroup</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> domainObject)</code> |
| <div class="block">INTERNAL: |
| Return FetchGroup held by the object.</div> |
| </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#hasFetchGroup-java.lang.String-">hasFetchGroup</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> groupName)</code> |
| <div class="block">Return true if a fetch group exists for the given group name.</div> |
| </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#initialize-org.eclipse.persistence.internal.sessions.AbstractSession-">initialize</a></span>(org.eclipse.persistence.internal.sessions.AbstractSession session)</code> |
| <div class="block">INTERNAL: Initialize the fetch groups.</div> |
| </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#initNonReferenceEntityFetchGroup--">initNonReferenceEntityFetchGroup</a></span>()</code> </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#isAttributeFetched-java.lang.Object-java.lang.String-">isAttributeFetched</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> entity, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> attributeName)</code> |
| <div class="block">Return true if the attribute of the object has already been fetched</div> |
| </td> |
| </tr> |
| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#isFullFetchGroup-org.eclipse.persistence.queries.FetchGroup-">isFullFetchGroup</a></span>(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> fetchGroup)</code> |
| <div class="block">PUBLIC: |
| Indicates whether the passed fetch group contains all the attributes, no nesting.</div> |
| </td> |
| </tr> |
| <tr id="i27" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#isMinimalFetchGroup-org.eclipse.persistence.queries.FetchGroup-">isMinimalFetchGroup</a></span>(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> fetchGroup)</code> |
| <div class="block">PUBLIC: |
| Indicates whether the passed fetch group is minimal.</div> |
| </td> |
| </tr> |
| <tr id="i28" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#isObjectValidForFetchGroup-java.lang.Object-org.eclipse.persistence.queries.FetchGroup-">isObjectValidForFetchGroup</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> object, |
| <a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> fetchGroup)</code> |
| <div class="block">INTERNAL: |
| Return if the cached object data is sufficiently valid against a fetch group</div> |
| </td> |
| </tr> |
| <tr id="i29" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#isPartialObject-java.lang.Object-">isPartialObject</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> domainObject)</code> |
| <div class="block">INTERNAL: |
| Return true if the object is partially fetched and cached.</div> |
| </td> |
| </tr> |
| <tr id="i30" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#postInitialize-org.eclipse.persistence.internal.sessions.AbstractSession-">postInitialize</a></span>(org.eclipse.persistence.internal.sessions.AbstractSession session)</code> |
| <div class="block">INTERNAL: |
| postInitialize called for inheritance children first.</div> |
| </td> |
| </tr> |
| <tr id="i31" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#prepareAndVerify-org.eclipse.persistence.queries.FetchGroup-">prepareAndVerify</a></span>(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> fetchGroup)</code> |
| <div class="block">PUBLIC: |
| Add primary key and version attributes to the passed fetch group |
| and all the fetch group it contains.</div> |
| </td> |
| </tr> |
| <tr id="i32" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#prepareAndVerifyInternal-org.eclipse.persistence.queries.FetchGroup-java.lang.String-">prepareAndVerifyInternal</a></span>(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> fetchGroup, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> attributePrefix)</code> |
| <div class="block">INTERNAL: |
| Add primary key and version attributes to the passed fetch group |
| and all the fetch group it contains.</div> |
| </td> |
| </tr> |
| <tr id="i33" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#reset-java.lang.Object-">reset</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> source)</code> |
| <div class="block">INTERNAL: |
| Reset object attributes to the default values.</div> |
| </td> |
| </tr> |
| <tr id="i34" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#setDefaultFetchGroup-org.eclipse.persistence.queries.FetchGroup-">setDefaultFetchGroup</a></span>(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> newDefaultFetchGroup)</code> |
| <div class="block">Set the descriptor-level default fetch group.</div> |
| </td> |
| </tr> |
| <tr id="i35" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#setDescriptor-org.eclipse.persistence.descriptors.ClassDescriptor-">setDescriptor</a></span>(<a href="../../../../org/eclipse/persistence/descriptors/ClassDescriptor.html" title="class in org.eclipse.persistence.descriptors">ClassDescriptor</a> descriptor)</code> |
| <div class="block">Set the referenced descriptor.</div> |
| </td> |
| </tr> |
| <tr id="i36" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#setObjectFetchGroup-java.lang.Object-org.eclipse.persistence.queries.FetchGroup-org.eclipse.persistence.internal.sessions.AbstractSession-">setObjectFetchGroup</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> source, |
| <a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> fetchGroup, |
| org.eclipse.persistence.internal.sessions.AbstractSession session)</code> |
| <div class="block">INTERNAL: |
| Set fetch group into the object.</div> |
| </td> |
| </tr> |
| <tr id="i37" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#setRefreshOnFetchGroupToObject-java.lang.Object-boolean-">setRefreshOnFetchGroupToObject</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> source, |
| boolean shouldRefreshOnFetchgroup)</code> |
| <div class="block">INTERNAL: |
| Set if the tracked object is fetched from executing a query with or without refresh.</div> |
| </td> |
| </tr> |
| <tr id="i38" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#setShouldUseInheritedDefaultFetchGroup-boolean-">setShouldUseInheritedDefaultFetchGroup</a></span>(boolean shouldUseInheritedDefaultFetchGroup)</code> |
| <div class="block">PUBLIC: |
| Set whether defaultFetchGroup should be copied from the parent if not set.</div> |
| </td> |
| </tr> |
| <tr id="i39" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#shouldUseInheritedDefaultFetchGroup--">shouldUseInheritedDefaultFetchGroup</a></span>()</code> |
| <div class="block">PUBLIC: |
| Indicates whether defaultFetchGroup should be copied from the parent if not set.</div> |
| </td> |
| </tr> |
| <tr id="i40" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#shouldWriteInto-java.lang.Object-java.lang.Object-">shouldWriteInto</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> cachedObject, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> clone)</code> |
| <div class="block">INTERNAL: |
| Return true if the cached object data should be written in clone.</div> |
| </td> |
| </tr> |
| <tr id="i41" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#unionEntityFetchGroupIntoObject-java.lang.Object-org.eclipse.persistence.internal.queries.EntityFetchGroup-org.eclipse.persistence.internal.sessions.AbstractSession-boolean-">unionEntityFetchGroupIntoObject</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> source, |
| org.eclipse.persistence.internal.queries.EntityFetchGroup newEntityFetchGroup, |
| org.eclipse.persistence.internal.sessions.AbstractSession session, |
| boolean shouldClone)</code> |
| <div class="block">INTERNAL: |
| Union the fetch group of the domain object with the new fetch group.</div> |
| </td> |
| </tr> |
| <tr id="i42" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#unionFetchGroups-org.eclipse.persistence.queries.FetchGroup-org.eclipse.persistence.queries.FetchGroup-">unionFetchGroups</a></span>(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> first, |
| <a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> second)</code> |
| <div class="block">INTERNAL: |
| Union two fetch groups.</div> |
| </td> |
| </tr> |
| <tr id="i43" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/descriptors/FetchGroupManager.html#writePartialIntoClones-java.lang.Object-java.lang.Object-java.lang.Object-org.eclipse.persistence.internal.sessions.UnitOfWorkImpl-">writePartialIntoClones</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> partialObject, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> workingClone, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> backupClone, |
| org.eclipse.persistence.internal.sessions.UnitOfWorkImpl uow)</code> |
| <div class="block">INTERNAL: |
| Write data of the partially fetched object into the working and backup clones</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.detail"> |
| <!-- --> |
| </a> |
| <h3>Constructor Detail</h3> |
| <a name="FetchGroupManager--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>FetchGroupManager</h4> |
| <pre>public FetchGroupManager()</pre> |
| <div class="block">Constructor</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="addFetchGroup-org.eclipse.persistence.queries.FetchGroup-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addFetchGroup</h4> |
| <pre>public void addFetchGroup(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> group)</pre> |
| <div class="block">Add a named fetch group to the descriptor</div> |
| </li> |
| </ul> |
| <a name="getFetchGroups--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getFetchGroups</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a>> getFetchGroups()</pre> |
| <div class="block">Return the fetch group map: keyed by the group name, valued by the fetch group object.</div> |
| </li> |
| </ul> |
| <a name="getDefaultFetchGroup--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getDefaultFetchGroup</h4> |
| <pre>public <a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> getDefaultFetchGroup()</pre> |
| <div class="block">Return the descriptor-level default fetch group. |
| All read object and read all queries would use the default fetch group if no fetch group |
| is explicitly defined for the query, unless setShouldUseDefaultFetchGroup(false); is also |
| called on the query. |
| |
| Default fetch group should be used carefully. It would be beneficial if most of the system queries |
| are for the subset of the object, so un-needed attributes data would not have to be read, and the |
| users do not have to setup every query for the given fetch group, as default one is always used. |
| However, if queries on object are mostly use case specific and not systematic, using default fetch group |
| could cause undesirable extra round-trip and performance degradation.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/eclipse/persistence/queries/ObjectLevelReadQuery.html#setShouldUseDefaultFetchGroup-boolean-"><code>ObjectLevelReadQuery.setShouldUseDefaultFetchGroup(boolean)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getDefaultEntityFetchGroup--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getDefaultEntityFetchGroup</h4> |
| <pre>public org.eclipse.persistence.internal.queries.EntityFetchGroup getDefaultEntityFetchGroup()</pre> |
| <div class="block">INTERNAL: |
| Returns EntityFetchGroup corresponding to default FetchGroup.</div> |
| </li> |
| </ul> |
| <a name="createMinimalFetchGroup--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>createMinimalFetchGroup</h4> |
| <pre>public <a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> createMinimalFetchGroup()</pre> |
| <div class="block">PUBLIC: |
| Returns clone of the minimal fetch group. |
| Could be used as a starting point for a new user-defined fetch group.</div> |
| </li> |
| </ul> |
| <a name="isMinimalFetchGroup-org.eclipse.persistence.queries.FetchGroup-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isMinimalFetchGroup</h4> |
| <pre>public boolean isMinimalFetchGroup(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> fetchGroup)</pre> |
| <div class="block">PUBLIC: |
| Indicates whether the passed fetch group is minimal.</div> |
| </li> |
| </ul> |
| <a name="getIdEntityFetchGroup--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getIdEntityFetchGroup</h4> |
| <pre>public org.eclipse.persistence.internal.queries.EntityFetchGroup getIdEntityFetchGroup()</pre> |
| <div class="block">INTERNAL: |
| Returns EntityFetchGroup corresponding to primary key attribute(s).</div> |
| </li> |
| </ul> |
| <a name="getNonReferenceEntityFetchGroup--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getNonReferenceEntityFetchGroup</h4> |
| <pre>public org.eclipse.persistence.internal.queries.EntityFetchGroup getNonReferenceEntityFetchGroup()</pre> |
| <div class="block">INTERNAL: |
| Returns EntityFetchGroup corresponding to non relational attributes |
| intersected with defaultFetchGroup.</div> |
| </li> |
| </ul> |
| <a name="getNonReferenceEntityFetchGroup-boolean-boolean-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getNonReferenceEntityFetchGroup</h4> |
| <pre>public org.eclipse.persistence.internal.queries.EntityFetchGroup getNonReferenceEntityFetchGroup(boolean addPk, |
| boolean addVersion)</pre> |
| <div class="block">INTERNAL: |
| Returns EntityFetchGroup corresponding to non relational attributes |
| intersected with defaultFetchGroup.</div> |
| </li> |
| </ul> |
| <a name="addMinimalFetchGroup-org.eclipse.persistence.queries.FetchGroup-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addMinimalFetchGroup</h4> |
| <pre>public void addMinimalFetchGroup(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> fetchGroup)</pre> |
| <div class="block">INTERNAL: |
| Add primary key and version attributes to the passed fetch group.</div> |
| </li> |
| </ul> |
| <a name="prepareAndVerify-org.eclipse.persistence.queries.FetchGroup-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>prepareAndVerify</h4> |
| <pre>public void prepareAndVerify(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> fetchGroup)</pre> |
| <div class="block">PUBLIC: |
| Add primary key and version attributes to the passed fetch group |
| and all the fetch group it contains. |
| Also verifies that all the attributes have corresponding mappings. |
| Could be used for fetch group preparation and validation. |
| Called by ObjectLevelReadQuery prepareFetchgroup method.</div> |
| </li> |
| </ul> |
| <a name="prepareAndVerifyInternal-org.eclipse.persistence.queries.FetchGroup-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>prepareAndVerifyInternal</h4> |
| <pre>protected void prepareAndVerifyInternal(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> fetchGroup, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> attributePrefix)</pre> |
| <div class="block">INTERNAL: |
| Add primary key and version attributes to the passed fetch group |
| and all the fetch group it contains. |
| Also verifies that all the attributes have corresponding mappings.</div> |
| </li> |
| </ul> |
| <a name="createDefaultFetchGroup--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>createDefaultFetchGroup</h4> |
| <pre>public <a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> createDefaultFetchGroup()</pre> |
| <div class="block">PUBLIC: |
| Returns clone of the default fetch group. |
| Could be used as a starting point for a new user-defined fetch group.</div> |
| </li> |
| </ul> |
| <a name="createFullFetchGroup--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>createFullFetchGroup</h4> |
| <pre>public <a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> createFullFetchGroup()</pre> |
| <div class="block">PUBLIC: |
| Returns clone of the full fetch group - contains all the attributes, no nesting. |
| Could be used as a starting point for a new user-defined fetch group.</div> |
| </li> |
| </ul> |
| <a name="isFullFetchGroup-org.eclipse.persistence.queries.FetchGroup-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isFullFetchGroup</h4> |
| <pre>public boolean isFullFetchGroup(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> fetchGroup)</pre> |
| <div class="block">PUBLIC: |
| Indicates whether the passed fetch group contains all the attributes, no nesting.</div> |
| </li> |
| </ul> |
| <a name="getEntityFetchGroup-java.util.Set-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getEntityFetchGroup</h4> |
| <pre>public org.eclipse.persistence.internal.queries.EntityFetchGroup getEntityFetchGroup(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> attributeNames)</pre> |
| <div class="block">INTERNAL: |
| Returns entity fetch group corresponding to the passed set of attributes.</div> |
| </li> |
| </ul> |
| <a name="getEntityFetchGroup-org.eclipse.persistence.queries.FetchGroup-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>getEntityFetchGroup</h4> |
| <pre>public org.eclipse.persistence.internal.queries.EntityFetchGroup getEntityFetchGroup(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> fetchGroup)</pre> |
| <div class="block">INTERNAL: |
| Returns entity fetch group corresponding to the passed fetch group.</div> |
| </li> |
| </ul> |
| <a name="getFetchGroup-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getFetchGroup</h4> |
| <pre>public <a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> getFetchGroup(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> groupName)</pre> |
| <div class="block">Return a pre-defined named fetch group. |
| |
| Lookup the FetchGroup to use given a name taking into |
| consideration descriptor inheritance to ensure parent descriptors are |
| searched for named FetchGroups.</div> |
| </li> |
| </ul> |
| <a name="getFetchGroup-java.lang.String-boolean-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getFetchGroup</h4> |
| <pre>public <a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> getFetchGroup(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> groupName, |
| boolean useDefault)</pre> |
| <div class="block">Lookup the FetchGroup to use given a name and a flag taking into |
| consideration descriptor inheritance to ensure parent descriptors are |
| searched for named and default FetchGroup. This is used to determine the |
| FetchGroup to use in a query's prepare.</div> |
| </li> |
| </ul> |
| <a name="setDefaultFetchGroup-org.eclipse.persistence.queries.FetchGroup-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setDefaultFetchGroup</h4> |
| <pre>public void setDefaultFetchGroup(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> newDefaultFetchGroup)</pre> |
| <div class="block">Set the descriptor-level default fetch group. |
| All read object and read all queries would use the default fetch group if no fetch group is |
| explicitly defined for the query, unless setShouldUseDefaultFetchGroup(false); |
| is also called on the query. |
| |
| Default fetch group should be used carefully. It would be beneficial if most of the system queries |
| are for the subset of the object, so un-needed attributes data would not have to be read, and the |
| users do not have to setup every query for the given fetch group, as default one is always used. |
| However, if queries on object are mostly use case specific and not systematic, using default fetch group |
| could cause undesirable extra round-trip and performance degradation.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/eclipse/persistence/queries/ObjectLevelReadQuery.html#setShouldUseDefaultFetchGroup-boolean-"><code>ObjectLevelReadQuery.setShouldUseDefaultFetchGroup(boolean)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isPartialObject-java.lang.Object-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isPartialObject</h4> |
| <pre>public boolean isPartialObject(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> domainObject)</pre> |
| <div class="block">INTERNAL: |
| Return true if the object is partially fetched and cached. |
| It applies to the query with fetch group.</div> |
| </li> |
| </ul> |
| <a name="isObjectValidForFetchGroup-java.lang.Object-org.eclipse.persistence.queries.FetchGroup-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isObjectValidForFetchGroup</h4> |
| <pre>public boolean isObjectValidForFetchGroup(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> object, |
| <a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> fetchGroup)</pre> |
| <div class="block">INTERNAL: |
| Return if the cached object data is sufficiently valid against a fetch group</div> |
| </li> |
| </ul> |
| <a name="shouldWriteInto-java.lang.Object-java.lang.Object-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>shouldWriteInto</h4> |
| <pre>public boolean shouldWriteInto(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> cachedObject, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> clone)</pre> |
| <div class="block">INTERNAL: |
| Return true if the cached object data should be written in clone. |
| It is used in Fetch Group case when filling in the clone from the cached object.</div> |
| </li> |
| </ul> |
| <a name="writePartialIntoClones-java.lang.Object-java.lang.Object-java.lang.Object-org.eclipse.persistence.internal.sessions.UnitOfWorkImpl-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>writePartialIntoClones</h4> |
| <pre>public void writePartialIntoClones(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> partialObject, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> workingClone, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> backupClone, |
| org.eclipse.persistence.internal.sessions.UnitOfWorkImpl uow)</pre> |
| <div class="block">INTERNAL: |
| Write data of the partially fetched object into the working and backup clones</div> |
| </li> |
| </ul> |
| <a name="copyAggregateFetchGroupInto-java.lang.Object-java.lang.Object-java.lang.Object-org.eclipse.persistence.internal.sessions.AbstractSession-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>copyAggregateFetchGroupInto</h4> |
| <pre>public void copyAggregateFetchGroupInto(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> source, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> target, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> rootEntity, |
| org.eclipse.persistence.internal.sessions.AbstractSession session)</pre> |
| <div class="block">INTERNAL: |
| Copy fetch group reference from the source object to the target</div> |
| </li> |
| </ul> |
| <a name="copyFetchGroupInto-java.lang.Object-java.lang.Object-org.eclipse.persistence.internal.sessions.AbstractSession-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>copyFetchGroupInto</h4> |
| <pre>public void copyFetchGroupInto(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> source, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> target, |
| org.eclipse.persistence.internal.sessions.AbstractSession session)</pre> |
| <div class="block">INTERNAL: |
| Copy fetch group reference from the source object to the target</div> |
| </li> |
| </ul> |
| <a name="unionEntityFetchGroupIntoObject-java.lang.Object-org.eclipse.persistence.internal.queries.EntityFetchGroup-org.eclipse.persistence.internal.sessions.AbstractSession-boolean-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>unionEntityFetchGroupIntoObject</h4> |
| <pre>public void unionEntityFetchGroupIntoObject(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> source, |
| org.eclipse.persistence.internal.queries.EntityFetchGroup newEntityFetchGroup, |
| org.eclipse.persistence.internal.sessions.AbstractSession session, |
| boolean shouldClone)</pre> |
| <div class="block">INTERNAL: |
| Union the fetch group of the domain object with the new fetch group.</div> |
| </li> |
| </ul> |
| <a name="unionFetchGroups-org.eclipse.persistence.queries.FetchGroup-org.eclipse.persistence.queries.FetchGroup-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>unionFetchGroups</h4> |
| <pre>public <a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> unionFetchGroups(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> first, |
| <a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> second)</pre> |
| <div class="block">INTERNAL: |
| Union two fetch groups.</div> |
| </li> |
| </ul> |
| <a name="flatUnionFetchGroups-org.eclipse.persistence.queries.FetchGroup-org.eclipse.persistence.queries.FetchGroup-boolean-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>flatUnionFetchGroups</h4> |
| <pre>public org.eclipse.persistence.internal.queries.EntityFetchGroup flatUnionFetchGroups(<a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> first, |
| <a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> second, |
| boolean shouldClone)</pre> |
| <div class="block">INTERNAL: |
| Union two fetch groups as EntityFetchGroups. |
| Ignores all nested attributes.</div> |
| </li> |
| </ul> |
| <a name="reset-java.lang.Object-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>reset</h4> |
| <pre>public void reset(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> source)</pre> |
| <div class="block">INTERNAL: |
| Reset object attributes to the default values.</div> |
| </li> |
| </ul> |
| <a name="getObjectFetchGroup-java.lang.Object-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getObjectFetchGroup</h4> |
| <pre>public <a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> getObjectFetchGroup(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> domainObject)</pre> |
| <div class="block">INTERNAL: |
| Return FetchGroup held by the object.</div> |
| </li> |
| </ul> |
| <a name="getObjectEntityFetchGroup-java.lang.Object-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getObjectEntityFetchGroup</h4> |
| <pre>public org.eclipse.persistence.internal.queries.EntityFetchGroup getObjectEntityFetchGroup(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> domainObject)</pre> |
| <div class="block">INTERNAL: |
| Return FetchGroup held by the object.</div> |
| </li> |
| </ul> |
| <a name="setObjectFetchGroup-java.lang.Object-org.eclipse.persistence.queries.FetchGroup-org.eclipse.persistence.internal.sessions.AbstractSession-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setObjectFetchGroup</h4> |
| <pre>public void setObjectFetchGroup(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> source, |
| <a href="../../../../org/eclipse/persistence/queries/FetchGroup.html" title="class in org.eclipse.persistence.queries">FetchGroup</a> fetchGroup, |
| org.eclipse.persistence.internal.sessions.AbstractSession session)</pre> |
| <div class="block">INTERNAL: |
| Set fetch group into the object.</div> |
| </li> |
| </ul> |
| <a name="setRefreshOnFetchGroupToObject-java.lang.Object-boolean-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setRefreshOnFetchGroupToObject</h4> |
| <pre>public void setRefreshOnFetchGroupToObject(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> source, |
| boolean shouldRefreshOnFetchgroup)</pre> |
| <div class="block">INTERNAL: |
| Set if the tracked object is fetched from executing a query with or without refresh.</div> |
| </li> |
| </ul> |
| <a name="isAttributeFetched-java.lang.Object-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isAttributeFetched</h4> |
| <pre>public boolean isAttributeFetched(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> entity, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> attributeName)</pre> |
| <div class="block">Return true if the attribute of the object has already been fetched</div> |
| </li> |
| </ul> |
| <a name="getDescriptor--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getDescriptor</h4> |
| <pre>public <a href="../../../../org/eclipse/persistence/descriptors/ClassDescriptor.html" title="class in org.eclipse.persistence.descriptors">ClassDescriptor</a> getDescriptor()</pre> |
| <div class="block">PUBLIC: |
| Return the referenced descriptor.</div> |
| </li> |
| </ul> |
| <a name="setDescriptor-org.eclipse.persistence.descriptors.ClassDescriptor-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setDescriptor</h4> |
| <pre>public void setDescriptor(<a href="../../../../org/eclipse/persistence/descriptors/ClassDescriptor.html" title="class in org.eclipse.persistence.descriptors">ClassDescriptor</a> descriptor)</pre> |
| <div class="block">Set the referenced descriptor.</div> |
| </li> |
| </ul> |
| <a name="hasFetchGroup-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>hasFetchGroup</h4> |
| <pre>public boolean hasFetchGroup(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> groupName)</pre> |
| <div class="block">Return true if a fetch group exists for the given group name.</div> |
| </li> |
| </ul> |
| <a name="initialize-org.eclipse.persistence.internal.sessions.AbstractSession-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>initialize</h4> |
| <pre>public void initialize(org.eclipse.persistence.internal.sessions.AbstractSession session) |
| throws <a href="../../../../org/eclipse/persistence/exceptions/DescriptorException.html" title="class in org.eclipse.persistence.exceptions">DescriptorException</a></pre> |
| <div class="block">INTERNAL: Initialize the fetch groups. XXX-dclarke: added support for |
| reinit the query manager's queries if they exist</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/eclipse/persistence/exceptions/DescriptorException.html" title="class in org.eclipse.persistence.exceptions">DescriptorException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postInitialize-org.eclipse.persistence.internal.sessions.AbstractSession-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>postInitialize</h4> |
| <pre>public void postInitialize(org.eclipse.persistence.internal.sessions.AbstractSession session) |
| throws <a href="../../../../org/eclipse/persistence/exceptions/DescriptorException.html" title="class in org.eclipse.persistence.exceptions">DescriptorException</a></pre> |
| <div class="block">INTERNAL: |
| postInitialize called for inheritance children first. |
| That allows to copy defaultFetchGroup from the parent only in case |
| it has been set by user (not automatically generated).</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/eclipse/persistence/exceptions/DescriptorException.html" title="class in org.eclipse.persistence.exceptions">DescriptorException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="initNonReferenceEntityFetchGroup--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>initNonReferenceEntityFetchGroup</h4> |
| <pre>protected void initNonReferenceEntityFetchGroup()</pre> |
| </li> |
| </ul> |
| <a name="clone--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>clone</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> clone()</pre> |
| <div class="block">INTERNAL: |
| Clone the fetch group manager.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a></code> in class <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setShouldUseInheritedDefaultFetchGroup-boolean-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setShouldUseInheritedDefaultFetchGroup</h4> |
| <pre>public void setShouldUseInheritedDefaultFetchGroup(boolean shouldUseInheritedDefaultFetchGroup)</pre> |
| <div class="block">PUBLIC: |
| Set whether defaultFetchGroup should be copied from the parent if not set.</div> |
| </li> |
| </ul> |
| <a name="shouldUseInheritedDefaultFetchGroup--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>shouldUseInheritedDefaultFetchGroup</h4> |
| <pre>public boolean shouldUseInheritedDefaultFetchGroup()</pre> |
| <div class="block">PUBLIC: |
| Indicates whether defaultFetchGroup should be copied from the parent if not set.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
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