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| <div class="subTitle">org.eclipse.persistence.config</div> |
| <h2 title="Class SystemProperties" class="title">Class SystemProperties</h2> |
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| <ul class="inheritance"> |
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| <ul class="inheritance"> |
| <li>org.eclipse.persistence.config.SystemProperties</li> |
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| <pre>public class <span class="typeNameLabel">SystemProperties</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></pre> |
| <div class="block">This class provides the list of System properties that are recognized by EclipseLink.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Author:</span></dt> |
| <dd>tware</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 <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#ARCHIVE_FACTORY">ARCHIVE_FACTORY</a></span></code> |
| <div class="block">Configures the factory class we use to produce instances of org.eclispe.persistence.jpa.Archive |
| These instances are used to examine persistence units and the files within them and are used for discovery |
| of classes in the persistence unit |
| Allows user-provided ArchiveFactory and Archive</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#CONCURRENCY_MANAGER_ACQUIRE_WAIT_TIME">CONCURRENCY_MANAGER_ACQUIRE_WAIT_TIME</a></span></code> |
| <div class="block">This system property in milliseconds can control thread management in org.eclipse.persistence.internal.helper.ConcurrencyManager.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#CONCURRENCY_MANAGER_ALLOW_CONCURRENCY_EXCEPTION">CONCURRENCY_MANAGER_ALLOW_CONCURRENCY_EXCEPTION</a></span></code> |
| <div class="block"> |
| This property control (enable/disable) if <code>ConcurrencyException</code> fired when dead-lock diagnostic is enabled.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#CONCURRENCY_MANAGER_ALLOW_INTERRUPTED_EXCEPTION">CONCURRENCY_MANAGER_ALLOW_INTERRUPTED_EXCEPTION</a></span></code> |
| <div class="block"> |
| This property control (enable/disable) if <code>InterruptedException</code> fired when dead-lock diagnostic is enabled.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#CONCURRENCY_MANAGER_ALLOW_STACK_TRACE_READ_LOCK">CONCURRENCY_MANAGER_ALLOW_STACK_TRACE_READ_LOCK</a></span></code> |
| <div class="block"> |
| This property control (enable/disable) collection debug/trace information during ReadLock acquisition, when dead-lock diagnostic is enabled.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#CONCURRENCY_MANAGER_BUILD_OBJECT_COMPLETE_WAIT_TIME">CONCURRENCY_MANAGER_BUILD_OBJECT_COMPLETE_WAIT_TIME</a></span></code> |
| <div class="block">This system property in milliseconds can control thread management in org.eclipse.persistence.internal.helper.ConcurrencyManager.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#CONCURRENCY_MANAGER_MAX_FREQUENCY_DUMP_MASSIVE_MESSAGE">CONCURRENCY_MANAGER_MAX_FREQUENCY_DUMP_MASSIVE_MESSAGE</a></span></code> |
| <div class="block">This system property in milliseconds can control thread management in org.eclipse.persistence.internal.helper.ConcurrencyManager and org.eclipse.persistence.internal.helper.ConcurrencyUtil.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#CONCURRENCY_MANAGER_MAX_FREQUENCY_DUMP_TINY_MESSAGE">CONCURRENCY_MANAGER_MAX_FREQUENCY_DUMP_TINY_MESSAGE</a></span></code> |
| <div class="block">This system property in milliseconds can control thread management in org.eclipse.persistence.internal.helper.ConcurrencyManager and org.eclipse.persistence.internal.helper.ConcurrencyUtil.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#CONCURRENCY_MANAGER_MAX_SLEEP_TIME">CONCURRENCY_MANAGER_MAX_SLEEP_TIME</a></span></code> |
| <div class="block">This system property in milliseconds can control thread management in org.eclipse.persistence.internal.helper.ConcurrencyManager.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#CONCURRENCY_MANAGER_OBJECT_BUILDING_NO_THREADS">CONCURRENCY_MANAGER_OBJECT_BUILDING_NO_THREADS</a></span></code> |
| <div class="block"> |
| This property control number of threads in semaphore in <code>ObjectBuilder</code> |
| If "eclipselink.concurrency.manager.object.building.semaphore" property is <code>true</code> default value is 10.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#CONCURRENCY_MANAGER_USE_SEMAPHORE_TO_SLOW_DOWN_OBJECT_BUILDING">CONCURRENCY_MANAGER_USE_SEMAPHORE_TO_SLOW_DOWN_OBJECT_BUILDING</a></span></code> |
| <div class="block"> |
| This property control (enable/disable) semaphore in <code>ObjectBuilder</code></div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#CONCURRENCY_MANAGER_USE_SEMAPHORE_TO_SLOW_DOWN_WRITE_LOCK_MANAGER_ACQUIRE_REQUIRED_LOCKS">CONCURRENCY_MANAGER_USE_SEMAPHORE_TO_SLOW_DOWN_WRITE_LOCK_MANAGER_ACQUIRE_REQUIRED_LOCKS</a></span></code> |
| <div class="block"> |
| This property control (enable/disable) semaphore in <code>WriteLockManager.acquireRequiredLocks(org.eclipse.persistence.internal.sessions.MergeManager, org.eclipse.persistence.internal.sessions.UnitOfWorkChangeSet)</code></div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#CONCURRENCY_MANAGER_WRITE_LOCK_MANAGER_ACQUIRE_REQUIRED_LOCKS_NO_THREADS">CONCURRENCY_MANAGER_WRITE_LOCK_MANAGER_ACQUIRE_REQUIRED_LOCKS_NO_THREADS</a></span></code> |
| <div class="block"> |
| This property control number of threads in semaphore in <code>WriteLockManager.acquireRequiredLocks(org.eclipse.persistence.internal.sessions.MergeManager, org.eclipse.persistence.internal.sessions.UnitOfWorkChangeSet)</code> |
| If "eclipselink.concurrency.manager.write.lock.manager.semaphore" property is <code>true</code> default value is 2.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#CONCURRENCY_SEMAPHORE_LOG_TIMEOUT">CONCURRENCY_SEMAPHORE_LOG_TIMEOUT</a></span></code> |
| <div class="block"> |
| This property control timeout between log messages in <code>ConcurrencySemaphore.acquireSemaphoreIfAppropriate(boolean)</code> when method/thread tries to get permit for the execution.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#CONCURRENCY_SEMAPHORE_MAX_TIME_PERMIT">CONCURRENCY_SEMAPHORE_MAX_TIME_PERMIT</a></span></code> |
| <div class="block"> |
| This property control semaphore the maximum time to wait for a permit in <code>ConcurrencySemaphore.acquireSemaphoreIfAppropriate(boolean)</code> |
| It's passed to <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Semaphore.html?is-external=true#tryAcquire-long-java.util.concurrent.TimeUnit-" title="class or interface in java.util.concurrent"><code>Semaphore.tryAcquire(long, TimeUnit)</code></a> |
| Default value is 2000 (unit is ms).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#CONVERSION_USE_DEFAULT_TIMEZONE">CONVERSION_USE_DEFAULT_TIMEZONE</a></span></code> |
| <div class="block">This system property can be set to restore ConversionManager behavior with converting |
| LocalDateTime, OffsetDateTime, and OffsetTime types back to using the JVM's default time zone instead |
| of UTC.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#CONVERSION_USE_TIMEZONE">CONVERSION_USE_TIMEZONE</a></span></code> |
| <div class="block">This system property can be set the specific time zone used by ConversionManager to convert |
| LocalDateTime, OffsetDateTime, and OffsetTime types.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#DO_NOT_PROCESS_XTOMANY_FOR_QBE">DO_NOT_PROCESS_XTOMANY_FOR_QBE</a></span></code> |
| <div class="block">This property can be set to disable processing of X-Many relationship |
| attributes for Query By Example objects.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#ENFORCE_TARGET_SERVER">ENFORCE_TARGET_SERVER</a></span></code> |
| <div class="block">This system property can be set to override target server platform set by the Java EE container |
| with the one either set in persistence.xml or auto detected.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#ONETOMANY_DEFER_INSERTS">ONETOMANY_DEFER_INSERTS</a></span></code> |
| <div class="block">This property can be set to <code>false</code> to enable UPDATE call to set |
| foreign key value in the target row in unidirectional 1-Many mapping |
| with not nullable FK.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#RECORD_STACK_ON_LOCK">RECORD_STACK_ON_LOCK</a></span></code> |
| <div class="block">This property is used in conjunction with |
| org.eclipse.persistence.sessions.IdentityMapAccessor.printIdentityMapLocks().</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#WEAVING_OUTPUT_PATH">WEAVING_OUTPUT_PATH</a></span></code> |
| <div class="block">This property is used to debug weaving issues.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#WEAVING_REFLECTIVE_INTROSPECTION">WEAVING_REFLECTIVE_INTROSPECTION</a></span></code> |
| <div class="block">This property can be used to tell EclipseLink to process classes in the ASM Default manner.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/SystemProperties.html#WEAVING_SHOULD_OVERWRITE">WEAVING_SHOULD_OVERWRITE</a></span></code> |
| <div class="block">This property is used in conjunction with WEAVING_OUTPUT_PATH.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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| <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/config/SystemProperties.html#SystemProperties--">SystemProperties</a></span>()</code> </td> |
| </tr> |
| </table> |
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| </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#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#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"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="field.detail"> |
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| </a> |
| <h3>Field Detail</h3> |
| <a name="ARCHIVE_FACTORY"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>ARCHIVE_FACTORY</h4> |
| <pre>public static final <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> ARCHIVE_FACTORY</pre> |
| <div class="block">Configures the factory class we use to produce instances of org.eclispe.persistence.jpa.Archive |
| These instances are used to examine persistence units and the files within them and are used for discovery |
| of classes in the persistence unit |
| Allows user-provided ArchiveFactory and Archive</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.ARCHIVE_FACTORY">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="WEAVING_OUTPUT_PATH"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>WEAVING_OUTPUT_PATH</h4> |
| <pre>public static final <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> WEAVING_OUTPUT_PATH</pre> |
| <div class="block">This property is used to debug weaving issues. When it is set, weaved classes will be |
| output to the given path as they are weaved</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.WEAVING_OUTPUT_PATH">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="WEAVING_SHOULD_OVERWRITE"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>WEAVING_SHOULD_OVERWRITE</h4> |
| <pre>public static final <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> WEAVING_SHOULD_OVERWRITE</pre> |
| <div class="block">This property is used in conjunction with WEAVING_OUTPUT_PATH. By default, existing classes |
| on the path provided to WEAVING_OUTPUT_PATH will not be overridden. If this is set to true, they will be</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.WEAVING_SHOULD_OVERWRITE">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="WEAVING_REFLECTIVE_INTROSPECTION"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>WEAVING_REFLECTIVE_INTROSPECTION</h4> |
| <pre>public static final <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> WEAVING_REFLECTIVE_INTROSPECTION</pre> |
| <div class="block">This property can be used to tell EclipseLink to process classes in the ASM Default manner. The fix for bug |
| 370975 changes EclipseLink's weaving support to use ASM itself to examine class hierarchies. Setting this flag to |
| true will cause us to use the default reflection mechanism again. This flag provides a means to workaround any issues encountered with |
| the ASM-based weaving introspection</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.WEAVING_REFLECTIVE_INTROSPECTION">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="RECORD_STACK_ON_LOCK"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>RECORD_STACK_ON_LOCK</h4> |
| <pre>public static final <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> RECORD_STACK_ON_LOCK</pre> |
| <div class="block">This property is used in conjunction with |
| org.eclipse.persistence.sessions.IdentityMapAccessor.printIdentityMapLocks(). |
| Setting this property will cause EclipseLink to record the stack trace of |
| the lock acquisition and print it along with the identity map locks. This |
| should only be set if the thread that owns a lock is not 'stuck' but |
| still owns the lock when a normal printIdentityMapLocks is done. |
| |
| This can also be set in code statically through ConcurrencyManager.setShouldTrackStack(true)</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.RECORD_STACK_ON_LOCK">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="DO_NOT_PROCESS_XTOMANY_FOR_QBE"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>DO_NOT_PROCESS_XTOMANY_FOR_QBE</h4> |
| <pre>public static final <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> DO_NOT_PROCESS_XTOMANY_FOR_QBE</pre> |
| <div class="block">This property can be set to disable processing of X-Many relationship |
| attributes for Query By Example objects. In previous versions of |
| EclipseLink these attributes would have been ignored but as of this |
| release they will be processed into the expression.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.DO_NOT_PROCESS_XTOMANY_FOR_QBE">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="ENFORCE_TARGET_SERVER"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>ENFORCE_TARGET_SERVER</h4> |
| <pre>public static final <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> ENFORCE_TARGET_SERVER</pre> |
| <div class="block">This system property can be set to override target server platform set by the Java EE container |
| with the one either set in persistence.xml or auto detected.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.ENFORCE_TARGET_SERVER">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="CONVERSION_USE_TIMEZONE"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>CONVERSION_USE_TIMEZONE</h4> |
| <pre>public static final <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> CONVERSION_USE_TIMEZONE</pre> |
| <div class="block">This system property can be set the specific time zone used by ConversionManager to convert |
| LocalDateTime, OffsetDateTime, and OffsetTime types.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.CONVERSION_USE_TIMEZONE">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="CONVERSION_USE_DEFAULT_TIMEZONE"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>CONVERSION_USE_DEFAULT_TIMEZONE</h4> |
| <pre>public static final <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> CONVERSION_USE_DEFAULT_TIMEZONE</pre> |
| <div class="block">This system property can be set to restore ConversionManager behavior with converting |
| LocalDateTime, OffsetDateTime, and OffsetTime types back to using the JVM's default time zone instead |
| of UTC. This restores behavior prior to fixing Bug 538296. This property is ignored if the |
| System Property CONVERSION_USE_TIMEZONE has been set.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.CONVERSION_USE_DEFAULT_TIMEZONE">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="ONETOMANY_DEFER_INSERTS"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>ONETOMANY_DEFER_INSERTS</h4> |
| <pre>public static final <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> ONETOMANY_DEFER_INSERTS</pre> |
| <div class="block">This property can be set to <code>false</code> to enable UPDATE call to set |
| foreign key value in the target row in unidirectional 1-Many mapping |
| with not nullable FK. In previous versions of EclipseLink this was |
| the default behaviour. |
| Allowed values are: true/false.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.ONETOMANY_DEFER_INSERTS">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
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| <pre>public static final <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> CONCURRENCY_MANAGER_ACQUIRE_WAIT_TIME</pre> |
| <div class="block">This system property in milliseconds can control thread management in org.eclipse.persistence.internal.helper.ConcurrencyManager. |
| It control how much time loop wait before it try acquire lock for current thread again. It value is set above above 0 dead lock detection |
| mechanism and related extended logging will be activated. |
| Default value is 0 (unit is ms). Allowed values are: long</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.CONCURRENCY_MANAGER_ACQUIRE_WAIT_TIME">Constant Field Values</a></dd> |
| </dl> |
| </li> |
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| <pre>public static final <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> CONCURRENCY_MANAGER_BUILD_OBJECT_COMPLETE_WAIT_TIME</pre> |
| <div class="block">This system property in milliseconds can control thread management in org.eclipse.persistence.internal.helper.ConcurrencyManager. |
| It control how much time ConcurrencyManager will wait before it will identify, that thread which builds new object/entity instance |
| should be identified as a potential dead lock source. It leads into some additional log messages. |
| Default value is 0 (unit is ms). In this case extended logging is not active. Allowed values are: long</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.CONCURRENCY_MANAGER_BUILD_OBJECT_COMPLETE_WAIT_TIME">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
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| </a> |
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| <h4>CONCURRENCY_MANAGER_MAX_SLEEP_TIME</h4> |
| <pre>public static final <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> CONCURRENCY_MANAGER_MAX_SLEEP_TIME</pre> |
| <div class="block">This system property in milliseconds can control thread management in org.eclipse.persistence.internal.helper.ConcurrencyManager. |
| It control how long we are willing to wait before firing up an exception |
| Default value is 40000 (unit is ms). Allowed values are: long</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.CONCURRENCY_MANAGER_MAX_SLEEP_TIME">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>CONCURRENCY_MANAGER_MAX_FREQUENCY_DUMP_TINY_MESSAGE</h4> |
| <pre>public static final <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> CONCURRENCY_MANAGER_MAX_FREQUENCY_DUMP_TINY_MESSAGE</pre> |
| <div class="block">This system property in milliseconds can control thread management in org.eclipse.persistence.internal.helper.ConcurrencyManager and org.eclipse.persistence.internal.helper.ConcurrencyUtil. |
| It control how frequently the tiny dump log message is created. |
| Default value is 40000 (unit is ms). Allowed values are: long</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.CONCURRENCY_MANAGER_MAX_FREQUENCY_DUMP_TINY_MESSAGE">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>CONCURRENCY_MANAGER_MAX_FREQUENCY_DUMP_MASSIVE_MESSAGE</h4> |
| <pre>public static final <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> CONCURRENCY_MANAGER_MAX_FREQUENCY_DUMP_MASSIVE_MESSAGE</pre> |
| <div class="block">This system property in milliseconds can control thread management in org.eclipse.persistence.internal.helper.ConcurrencyManager and org.eclipse.persistence.internal.helper.ConcurrencyUtil. |
| It control how frequently the massive dump log message is created. |
| Default value is 60000 (unit is ms). Allowed values are: long</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.CONCURRENCY_MANAGER_MAX_FREQUENCY_DUMP_MASSIVE_MESSAGE">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="CONCURRENCY_MANAGER_ALLOW_INTERRUPTED_EXCEPTION"> |
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| </a> |
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| <li class="blockList"> |
| <h4>CONCURRENCY_MANAGER_ALLOW_INTERRUPTED_EXCEPTION</h4> |
| <pre>public static final <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> CONCURRENCY_MANAGER_ALLOW_INTERRUPTED_EXCEPTION</pre> |
| <div class="block"><p> |
| This property control (enable/disable) if <code>InterruptedException</code> fired when dead-lock diagnostic is enabled. |
| <p> |
| <b>Allowed Values</b> (case sensitive String)<b>:</b> |
| <ul> |
| <li>"<code>false</code>" - if aborting frozen thread is not effective it is preferable to not fire the interrupted exception let the system |
| In the places where use this property normally if a thread is stuck it is because it is doing object building. |
| Blowing the threads ups is not that dangerous. It can be very dangerous for production if the dead lock ends up |
| not being resolved because the productive business transactions will become cancelled if the application has a |
| limited number of retries to for example process an MDB. However, the code spots where we use this constant are |
| not as sensible as when the write lock manager is starving to run commit. |
| <li>"<code>true</code>" (DEFAULT) - if we want the to fire up an exception to try to get the current thread to release all of its acquired locks and allow other |
| threads to progress. |
| </ul></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.CONCURRENCY_MANAGER_ALLOW_INTERRUPTED_EXCEPTION">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>CONCURRENCY_MANAGER_ALLOW_CONCURRENCY_EXCEPTION</h4> |
| <pre>public static final <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> CONCURRENCY_MANAGER_ALLOW_CONCURRENCY_EXCEPTION</pre> |
| <div class="block"><p> |
| This property control (enable/disable) if <code>ConcurrencyException</code> fired when dead-lock diagnostic is enabled. |
| <p> |
| <b>Allowed Values</b> (case sensitive String)<b>:</b> |
| <ul> |
| <li>"<code>false</code>" - if aborting frozen thread is not effective it is preferable to not fire the concurrency exception let the system |
| freeze and die and force the administration to kill the server. This is preferable to aborting the transactions |
| multiple times without success in resolving the dead lock and having business critical messages that after 3 JMS |
| retries are discarded out. Failing to resolve a dead lock can have terrible impact in system recovery unless we |
| have infinite retries for the business transactions. |
| <li>"<code>true</code>" (DEFAULT) - if we want the to fire up an exception to try to get the current thread to release all of its acquired |
| locks and allow other threads to progress. |
| </ul></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.CONCURRENCY_MANAGER_ALLOW_CONCURRENCY_EXCEPTION">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="CONCURRENCY_MANAGER_ALLOW_STACK_TRACE_READ_LOCK"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>CONCURRENCY_MANAGER_ALLOW_STACK_TRACE_READ_LOCK</h4> |
| <pre>public static final <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> CONCURRENCY_MANAGER_ALLOW_STACK_TRACE_READ_LOCK</pre> |
| <div class="block"><p> |
| This property control (enable/disable) collection debug/trace information during ReadLock acquisition, when dead-lock diagnostic is enabled. |
| <p> |
| <b>Allowed Values</b> (case sensitive String)<b>:</b> |
| <ul> |
| <li>"<code>false</code>" (DEFAULT) - don't collect debug/trace information during ReadLock acquisition |
| <li>"<code>true</code>" - collect debug/trace information during ReadLock acquisition. Has negative impact to the performance. |
| </ul></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.CONCURRENCY_MANAGER_ALLOW_STACK_TRACE_READ_LOCK">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="CONCURRENCY_MANAGER_USE_SEMAPHORE_TO_SLOW_DOWN_OBJECT_BUILDING"> |
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| </a> |
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| <h4>CONCURRENCY_MANAGER_USE_SEMAPHORE_TO_SLOW_DOWN_OBJECT_BUILDING</h4> |
| <pre>public static final <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> CONCURRENCY_MANAGER_USE_SEMAPHORE_TO_SLOW_DOWN_OBJECT_BUILDING</pre> |
| <div class="block"><p> |
| This property control (enable/disable) semaphore in <code>ObjectBuilder</code> |
| </p> |
| Object building see <code>ObjectBuilder</code> could be one of the |
| primary sources pressure on concurrency manager. Most of the cache key acquisition and releasing is taking place during object building. |
| Enable <code>true</code> this property to try reduce the likelihood of having dead locks is to allow less threads to start object |
| building in parallel. In this case there should be negative impact to the performance. |
| Note: Parallel access to the same entity/entity tree from different threads is not recommended technique in EclipseLink. |
| <ul> |
| <li>"<code>true</code>" - means we want to override vanilla behavior and use a semaphore to not allow too many |
| threads in parallel to do object building |
| <li>"<code>false</code>" (DEFAULT) - means just go ahead and try to build the object without any semaphore (false is |
| vanilla behavior). |
| </ul></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.CONCURRENCY_MANAGER_USE_SEMAPHORE_TO_SLOW_DOWN_OBJECT_BUILDING">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="CONCURRENCY_MANAGER_USE_SEMAPHORE_TO_SLOW_DOWN_WRITE_LOCK_MANAGER_ACQUIRE_REQUIRED_LOCKS"> |
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| <h4>CONCURRENCY_MANAGER_USE_SEMAPHORE_TO_SLOW_DOWN_WRITE_LOCK_MANAGER_ACQUIRE_REQUIRED_LOCKS</h4> |
| <pre>public static final <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> CONCURRENCY_MANAGER_USE_SEMAPHORE_TO_SLOW_DOWN_WRITE_LOCK_MANAGER_ACQUIRE_REQUIRED_LOCKS</pre> |
| <div class="block"><p> |
| This property control (enable/disable) semaphore in <code>WriteLockManager.acquireRequiredLocks(org.eclipse.persistence.internal.sessions.MergeManager, org.eclipse.persistence.internal.sessions.UnitOfWorkChangeSet)</code> |
| </p> |
| This algorithm |
| <code>WriteLockManager.acquireRequiredLocks(org.eclipse.persistence.internal.sessions.MergeManager, org.eclipse.persistence.internal.sessions.UnitOfWorkChangeSet)</code> |
| is being used when a transaction is committing and it is acquire locks to merge the change set. |
| It should happen if algorithm has trouble when multiple threads report change sets on the same entity (e.g. |
| one-to-many relations of master detail being enriched with more details on this master). |
| Note: Parallel access to the same entity/entity tree from different threads is not recommended technique in EclipseLink. |
| <ul> |
| <li>"<code>true</code>" - means we want to override vanilla behavior and use a semaphore to not allow too many |
| threads. In this case there should be negative impact to the performance. |
| <li>"<code>false</code>" (DEFAULT) - means just go ahead and try to build the object without any semaphore (false is |
| vanilla behavior). |
| </ul></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.CONCURRENCY_MANAGER_USE_SEMAPHORE_TO_SLOW_DOWN_WRITE_LOCK_MANAGER_ACQUIRE_REQUIRED_LOCKS">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="CONCURRENCY_MANAGER_OBJECT_BUILDING_NO_THREADS"> |
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| </a> |
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| <h4>CONCURRENCY_MANAGER_OBJECT_BUILDING_NO_THREADS</h4> |
| <pre>public static final <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> CONCURRENCY_MANAGER_OBJECT_BUILDING_NO_THREADS</pre> |
| <div class="block"><p> |
| This property control number of threads in semaphore in <code>ObjectBuilder</code> |
| If "eclipselink.concurrency.manager.object.building.semaphore" property is <code>true</code> default value is 10. Allowed values are: int |
| If "eclipselink.concurrency.manager.object.building.semaphore" property is <code>false</code> (DEFAULT) number of threads is unlimited. |
| </p></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.CONCURRENCY_MANAGER_OBJECT_BUILDING_NO_THREADS">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="CONCURRENCY_MANAGER_WRITE_LOCK_MANAGER_ACQUIRE_REQUIRED_LOCKS_NO_THREADS"> |
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| </a> |
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| <h4>CONCURRENCY_MANAGER_WRITE_LOCK_MANAGER_ACQUIRE_REQUIRED_LOCKS_NO_THREADS</h4> |
| <pre>public static final <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> CONCURRENCY_MANAGER_WRITE_LOCK_MANAGER_ACQUIRE_REQUIRED_LOCKS_NO_THREADS</pre> |
| <div class="block"><p> |
| This property control number of threads in semaphore in <code>WriteLockManager.acquireRequiredLocks(org.eclipse.persistence.internal.sessions.MergeManager, org.eclipse.persistence.internal.sessions.UnitOfWorkChangeSet)</code> |
| If "eclipselink.concurrency.manager.write.lock.manager.semaphore" property is <code>true</code> default value is 2. Allowed values are: int |
| If "eclipselink.concurrency.manager.write.lock.manager.semaphore" property is <code>false</code> (DEFAULT) number of threads is unlimited. |
| </p></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.CONCURRENCY_MANAGER_WRITE_LOCK_MANAGER_ACQUIRE_REQUIRED_LOCKS_NO_THREADS">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="CONCURRENCY_SEMAPHORE_MAX_TIME_PERMIT"> |
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| </a> |
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| <h4>CONCURRENCY_SEMAPHORE_MAX_TIME_PERMIT</h4> |
| <pre>public static final <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> CONCURRENCY_SEMAPHORE_MAX_TIME_PERMIT</pre> |
| <div class="block"><p> |
| This property control semaphore the maximum time to wait for a permit in <code>ConcurrencySemaphore.acquireSemaphoreIfAppropriate(boolean)</code> |
| It's passed to <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Semaphore.html?is-external=true#tryAcquire-long-java.util.concurrent.TimeUnit-" title="class or interface in java.util.concurrent"><code>Semaphore.tryAcquire(long, TimeUnit)</code></a> |
| Default value is 2000 (unit is ms). Allowed values are: long |
| </p></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.CONCURRENCY_SEMAPHORE_MAX_TIME_PERMIT">Constant Field Values</a></dd> |
| </dl> |
| </li> |
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| <h4>CONCURRENCY_SEMAPHORE_LOG_TIMEOUT</h4> |
| <pre>public static final <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> CONCURRENCY_SEMAPHORE_LOG_TIMEOUT</pre> |
| <div class="block"><p> |
| This property control timeout between log messages in <code>ConcurrencySemaphore.acquireSemaphoreIfAppropriate(boolean)</code> when method/thread tries to get permit for the execution. |
| Default value is 10000 (unit is ms). Allowed values are: long |
| </p></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.SystemProperties.CONCURRENCY_SEMAPHORE_LOG_TIMEOUT">Constant Field Values</a></dd> |
| </dl> |
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| <pre>public SystemProperties()</pre> |
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