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| <div class="subTitle">org.eclipse.persistence.descriptors.changetracking</div> |
| <h2 title="Class CollectionChangeEvent" class="title">Class CollectionChangeEvent</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/util/EventObject.html?is-external=true" title="class or interface in java.util">java.util.EventObject</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/beans/PropertyChangeEvent.html?is-external=true" title="class or interface in java.beans">java.beans.PropertyChangeEvent</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.eclipse.persistence.descriptors.changetracking.CollectionChangeEvent</li> |
| </ul> |
| </li> |
| </ul> |
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| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../org/eclipse/persistence/descriptors/changetracking/MapChangeEvent.html" title="class in org.eclipse.persistence.descriptors.changetracking">MapChangeEvent</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public class <span class="typeNameLabel">CollectionChangeEvent</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/beans/PropertyChangeEvent.html?is-external=true" title="class or interface in java.beans">PropertyChangeEvent</a></pre> |
| <div class="block"><p> |
| <b>Purpose</b>: Define a change event for collection types. |
| <p> |
| <b>Description</b>: For any object that wishes to use either object change tracking or |
| attribute change tracking, its collection attributes need to fire CollectionChangeEvent |
| in the add or remove methods. |
| <p> |
| <b>Responsibilities</b>: Create a CollectionChangeEvent for an object</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../serialized-form.html#org.eclipse.persistence.descriptors.changetracking.CollectionChangeEvent">Serialized Form</a></dd> |
| </dl> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| </a> |
| <h3>Field Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/eclipse/persistence/descriptors/changetracking/CollectionChangeEvent.html#ADD">ADD</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/eclipse/persistence/descriptors/changetracking/CollectionChangeEvent.html#changeType">changeType</a></span></code> |
| <div class="block">INTERNAL: |
| Change type is either add or remove</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/eclipse/persistence/descriptors/changetracking/CollectionChangeEvent.html#index">index</a></span></code> |
| <div class="block">INTERNAL: |
| index is the location of the change in the collection</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/eclipse/persistence/descriptors/changetracking/CollectionChangeEvent.html#isChangeApplied">isChangeApplied</a></span></code> |
| <div class="block">INTERNAL: |
| This flag will indicate if the object has already been removed or added to the collection before raising an event.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/eclipse/persistence/descriptors/changetracking/CollectionChangeEvent.html#isSet">isSet</a></span></code> |
| <div class="block">INTERNAL: |
| Set operation in IndirectList results in raising two events: removal of the old value and addition of the new one at the same index: |
| oldValue = list.set(i, newValue); |
| raiseRemoveEvent(i, oldValue, true); |
| raiseAddEvent(i, newValue, true); |
| This flag indicates whether the event was raised by set operation on the list.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/eclipse/persistence/descriptors/changetracking/CollectionChangeEvent.html#REMOVE">REMOVE</a></span></code> </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="fields.inherited.from.class.java.util.EventObject"> |
| <!-- --> |
| </a> |
| <h3>Fields inherited from class java.util.<a href="https://docs.oracle.com/javase/8/docs/api/java/util/EventObject.html?is-external=true" title="class or interface in java.util">EventObject</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/EventObject.html?is-external=true#source" title="class or interface in java.util">source</a></code></li> |
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| </a> |
| <h3>Constructor Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <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/changetracking/CollectionChangeEvent.html#CollectionChangeEvent-java.lang.Object-java.lang.String-java.lang.Object-java.lang.Object-int-boolean-">CollectionChangeEvent</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> collectionOwner, |
| <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> propertyName, |
| <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> collectionChanged, |
| <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> elementChanged, |
| int changeType, |
| boolean isChangeApplied)</code> |
| <div class="block">PUBLIC: |
| Create a CollectionChangeEvent for an object based on the property name, old value, new value, |
| change type (add or remove) and change applied.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/eclipse/persistence/descriptors/changetracking/CollectionChangeEvent.html#CollectionChangeEvent-java.lang.Object-java.lang.String-java.lang.Object-java.lang.Object-int-java.lang.Integer-boolean-boolean-">CollectionChangeEvent</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> collectionOwner, |
| <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> propertyName, |
| <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> collectionChanged, |
| <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> elementChanged, |
| int changeType, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> index, |
| boolean isSet, |
| boolean isChangeApplied)</code> |
| <div class="block">PUBLIC: |
| Create a CollectionChangeEvent for an object based on the property name, old value, new value, |
| change type (add or remove) and the index where the object is/was in the collection (list), |
| flag indicating whether the change (addition or removal) is part of a single set operation on a list, |
| flag indicating whether the object has already been added or removed from the collection.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
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| </a> |
| <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>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/eclipse/persistence/descriptors/changetracking/CollectionChangeEvent.html#getChangeType--">getChangeType</a></span>()</code> |
| <div class="block">INTERNAL: |
| Return the change type</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/eclipse/persistence/descriptors/changetracking/CollectionChangeEvent.html#getIndex--">getIndex</a></span>()</code> |
| <div class="block">INTERNAL: |
| Return the index of the change in the collection</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/eclipse/persistence/descriptors/changetracking/CollectionChangeEvent.html#isChangeApplied--">isChangeApplied</a></span>()</code> |
| <div class="block">INTERNAL: |
| Return the value indicating if the object has been already added or removed from the collection.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/eclipse/persistence/descriptors/changetracking/CollectionChangeEvent.html#isSet--">isSet</a></span>()</code> |
| <div class="block">INTERNAL: |
| Return whether the event was raised by set operation on the list.</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/changetracking/CollectionChangeEvent.html#setIndex-java.lang.Integer-">setIndex</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> index)</code> |
| <div class="block">INTERNAL: |
| Set the index of the change in the collection</div> |
| </td> |
| </tr> |
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| <h3>Methods inherited from class java.beans.<a href="https://docs.oracle.com/javase/8/docs/api/java/beans/PropertyChangeEvent.html?is-external=true" title="class or interface in java.beans">PropertyChangeEvent</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/beans/PropertyChangeEvent.html?is-external=true#getNewValue--" title="class or interface in java.beans">getNewValue</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/beans/PropertyChangeEvent.html?is-external=true#getOldValue--" title="class or interface in java.beans">getOldValue</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/beans/PropertyChangeEvent.html?is-external=true#getPropagationId--" title="class or interface in java.beans">getPropagationId</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/beans/PropertyChangeEvent.html?is-external=true#getPropertyName--" title="class or interface in java.beans">getPropertyName</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/beans/PropertyChangeEvent.html?is-external=true#setPropagationId-java.lang.Object-" title="class or interface in java.beans">setPropagationId</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/beans/PropertyChangeEvent.html?is-external=true#toString--" title="class or interface in java.beans">toString</a></code></li> |
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| <h3>Methods inherited from class java.util.<a href="https://docs.oracle.com/javase/8/docs/api/java/util/EventObject.html?is-external=true" title="class or interface in java.util">EventObject</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/EventObject.html?is-external=true#getSource--" title="class or interface in java.util">getSource</a></code></li> |
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| <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#clone--" title="class or interface in java.lang">clone</a>, <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#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> |
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| <div class="details"> |
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| <h4>ADD</h4> |
| <pre>public static final int ADD</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.eclipse.persistence.descriptors.changetracking.CollectionChangeEvent.ADD">Constant Field Values</a></dd> |
| </dl> |
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| <a name="REMOVE"> |
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| <pre>public static final int REMOVE</pre> |
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| <dd><a href="../../../../../constant-values.html#org.eclipse.persistence.descriptors.changetracking.CollectionChangeEvent.REMOVE">Constant Field Values</a></dd> |
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| <h4>changeType</h4> |
| <pre>protected int changeType</pre> |
| <div class="block">INTERNAL: |
| Change type is either add or remove</div> |
| </li> |
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| <h4>index</h4> |
| <pre>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> index</pre> |
| <div class="block">INTERNAL: |
| index is the location of the change in the collection</div> |
| </li> |
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| <h4>isSet</h4> |
| <pre>protected boolean isSet</pre> |
| <div class="block">INTERNAL: |
| Set operation in IndirectList results in raising two events: removal of the old value and addition of the new one at the same index: |
| oldValue = list.set(i, newValue); |
| raiseRemoveEvent(i, oldValue, true); |
| raiseAddEvent(i, newValue, true); |
| This flag indicates whether the event was raised by set operation on the list.</div> |
| </li> |
| </ul> |
| <a name="isChangeApplied"> |
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| <h4>isChangeApplied</h4> |
| <pre>protected boolean isChangeApplied</pre> |
| <div class="block">INTERNAL: |
| This flag will indicate if the object has already been removed or added to the collection before raising an event. |
| The object is not removed or added before raising an event during merge.</div> |
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| <h4>CollectionChangeEvent</h4> |
| <pre>public CollectionChangeEvent(<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> collectionOwner, |
| <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> propertyName, |
| <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> collectionChanged, |
| <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> elementChanged, |
| int changeType, |
| boolean isChangeApplied)</pre> |
| <div class="block">PUBLIC: |
| Create a CollectionChangeEvent for an object based on the property name, old value, new value, |
| change type (add or remove) and change applied.</div> |
| </li> |
| </ul> |
| <a name="CollectionChangeEvent-java.lang.Object-java.lang.String-java.lang.Object-java.lang.Object-int-java.lang.Integer-boolean-boolean-"> |
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| <h4>CollectionChangeEvent</h4> |
| <pre>public CollectionChangeEvent(<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> collectionOwner, |
| <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> propertyName, |
| <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> collectionChanged, |
| <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> elementChanged, |
| int changeType, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> index, |
| boolean isSet, |
| boolean isChangeApplied)</pre> |
| <div class="block">PUBLIC: |
| Create a CollectionChangeEvent for an object based on the property name, old value, new value, |
| change type (add or remove) and the index where the object is/was in the collection (list), |
| flag indicating whether the change (addition or removal) is part of a single set operation on a list, |
| flag indicating whether the object has already been added or removed from the collection.</div> |
| </li> |
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| <h4>getChangeType</h4> |
| <pre>public int getChangeType()</pre> |
| <div class="block">INTERNAL: |
| Return the change type</div> |
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| </ul> |
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| <h4>isSet</h4> |
| <pre>public boolean isSet()</pre> |
| <div class="block">INTERNAL: |
| Return whether the event was raised by set operation on the list.</div> |
| </li> |
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| <h4>getIndex</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> getIndex()</pre> |
| <div class="block">INTERNAL: |
| Return the index of the change in the collection</div> |
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| <h4>setIndex</h4> |
| <pre>public void setIndex(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> index)</pre> |
| <div class="block">INTERNAL: |
| Set the index of the change in the collection</div> |
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| <h4>isChangeApplied</h4> |
| <pre>public boolean isChangeApplied()</pre> |
| <div class="block">INTERNAL: |
| Return the value indicating if the object has been already added or removed from the collection.</div> |
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