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| <H2> | |
| Package org.apache.openjpa.lib.util.concurrent | |
| </H2> | |
| <strong>Concurrent Utilities</strong> | |
| <P> | |
| <B>See:</B> | |
| <BR> | |
| <A HREF="#package_description"><B>Description</B></A> | |
| <P> | |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> | |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> | |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> | |
| <B>Interface Summary</B></FONT></TH> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/ConcurrentMap.html" title="interface in org.apache.openjpa.lib.util.concurrent">ConcurrentMap</A></B></TD> | |
| <TD>A highly concurrent map.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/Condition.html" title="interface in org.apache.openjpa.lib.util.concurrent">Condition</A></B></TD> | |
| <TD><tt>Condition</tt> factors out the <tt>Object</tt> monitor | |
| methods(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang"><CODE>wait</CODE></A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang"><CODE>notify</CODE></A> | |
| and <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang"><CODE>notifyAll</CODE></A>) into distinct objects to | |
| give the effect of having multiple wait-sets per object, by | |
| combining them with the use of arbitrary <A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/Lock.html" title="interface in org.apache.openjpa.lib.util.concurrent"><CODE>Lock</CODE></A> implementations.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/Lock.html" title="interface in org.apache.openjpa.lib.util.concurrent">Lock</A></B></TD> | |
| <TD><tt>Lock</tt> implementations provide more extensive locking | |
| operations than can be obtained using <tt>synchronized</tt> methods | |
| and statements.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/NanoTimer.html" title="interface in org.apache.openjpa.lib.util.concurrent">NanoTimer</A></B></TD> | |
| <TD>Interface to specify custom implementation of precise timer.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/Queue.html" title="interface in org.apache.openjpa.lib.util.concurrent">Queue</A></B></TD> | |
| <TD>A collection designed for holding elements prior to processing.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/WaitQueue.QueuedSync.html" title="interface in org.apache.openjpa.lib.util.concurrent">WaitQueue.QueuedSync</A></B></TD> | |
| <TD> </TD> | |
| </TR> | |
| </TABLE> | |
| | |
| <P> | |
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| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> | |
| <B>Class Summary</B></FONT></TH> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/AbstractConcurrentEventManager.html" title="class in org.apache.openjpa.lib.util.concurrent">AbstractConcurrentEventManager</A></B></TD> | |
| <TD>Base event manager that handles adding/removing listeners | |
| and firing events.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/ConcurrentHashMap.html" title="class in org.apache.openjpa.lib.util.concurrent">ConcurrentHashMap</A></B></TD> | |
| <TD>This class implements a HashMap which has limited synchronization.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/ConcurrentHashMap.Entry.html" title="class in org.apache.openjpa.lib.util.concurrent">ConcurrentHashMap.Entry</A></B></TD> | |
| <TD> </TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/ConcurrentHashSet.html" title="class in org.apache.openjpa.lib.util.concurrent">ConcurrentHashSet</A></B></TD> | |
| <TD>A concurrent set.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/ConcurrentLinkedQueue.html" title="class in org.apache.openjpa.lib.util.concurrent">ConcurrentLinkedQueue</A></B></TD> | |
| <TD>An unbounded thread-safe <A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/Queue.html" title="interface in org.apache.openjpa.lib.util.concurrent">queue</A> based on linked nodes.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/ConcurrentReferenceHashMap.html" title="class in org.apache.openjpa.lib.util.concurrent">ConcurrentReferenceHashMap</A></B></TD> | |
| <TD>This class implements a HashMap which has limited synchronization | |
| and reference keys or values(but not both).</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/ConcurrentReferenceHashSet.html" title="class in org.apache.openjpa.lib.util.concurrent">ConcurrentReferenceHashSet</A></B></TD> | |
| <TD>A concurrent set whose values may be stored as weak or soft references.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/CopyOnWriteArrayList.html" title="class in org.apache.openjpa.lib.util.concurrent">CopyOnWriteArrayList</A></B></TD> | |
| <TD> </TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/CopyOnWriteArraySet.html" title="class in org.apache.openjpa.lib.util.concurrent">CopyOnWriteArraySet</A></B></TD> | |
| <TD>A <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Set.html" title="class or interface in java.util"><CODE>Set</CODE></A> that uses an internal <A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/CopyOnWriteArrayList.html" title="class in org.apache.openjpa.lib.util.concurrent"><CODE>CopyOnWriteArrayList</CODE></A> | |
| for all of its operations.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/ReentrantLock.html" title="class in org.apache.openjpa.lib.util.concurrent">ReentrantLock</A></B></TD> | |
| <TD>A reentrant mutual exclusion <A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/Lock.html" title="interface in org.apache.openjpa.lib.util.concurrent"><CODE>Lock</CODE></A> with the same basic | |
| behavior and semantics as the implicit monitor lock accessed using | |
| <tt>synchronized</tt> methods and statements, but with extended capabilities.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/TimeUnit.html" title="class in org.apache.openjpa.lib.util.concurrent">TimeUnit</A></B></TD> | |
| <TD>A <tt>TimeUnit</tt> represents time durations at a given unit of | |
| granularity and provides utility methods to convert across units, | |
| and to perform timing and delay operations in these units.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/Utils.html" title="class in org.apache.openjpa.lib.util.concurrent">Utils</A></B></TD> | |
| <TD>This class groups together the functionality of java.util.concurrent that | |
| cannot be fully and reliably implemented in backport, but for which some | |
| form of emulation is possible.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/WaitQueue.html" title="class in org.apache.openjpa.lib.util.concurrent">WaitQueue</A></B></TD> | |
| <TD>Base class for internal queue classes for semaphores, etc.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/WaitQueue.WaitNode.html" title="class in org.apache.openjpa.lib.util.concurrent">WaitQueue.WaitNode</A></B></TD> | |
| <TD> </TD> | |
| </TR> | |
| </TABLE> | |
| | |
| <P> | |
| <A NAME="package_description"><!-- --></A><H2> | |
| Package org.apache.openjpa.lib.util.concurrent Description | |
| </H2> | |
| <P> | |
| <p><strong>Concurrent Utilities</strong></p> | |
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