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| org.apache.openjpa.lib.util.concurrent</FONT> |
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| Class AbstractConcurrentEventManager</H2> |
| <PRE> |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A> |
| <IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.openjpa.lib.util.concurrent.AbstractConcurrentEventManager</B> |
| </PRE> |
| <DL> |
| <DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A>, <A HREF="../../../../../../org/apache/openjpa/lib/util/EventManager.html" title="interface in org.apache.openjpa.lib.util">EventManager</A></DD> |
| </DL> |
| <DL> |
| <DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../../../org/apache/openjpa/datacache/AbstractDataCache.html" title="class in org.apache.openjpa.datacache">AbstractDataCache</A>, <A HREF="../../../../../../org/apache/openjpa/datacache/AbstractQueryCache.html" title="class in org.apache.openjpa.datacache">AbstractQueryCache</A>, <A HREF="../../../../../../org/apache/openjpa/event/BrokerFactoryEventManager.html" title="class in org.apache.openjpa.event">BrokerFactoryEventManager</A>, <A HREF="../../../../../../org/apache/openjpa/lib/jdbc/JDBCEventConnectionDecorator.html" title="class in org.apache.openjpa.lib.jdbc">JDBCEventConnectionDecorator</A>, <A HREF="../../../../../../org/apache/openjpa/event/RemoteCommitEventManager.html" title="class in org.apache.openjpa.event">RemoteCommitEventManager</A>, <A HREF="../../../../../../org/apache/openjpa/event/TransactionEventManager.html" title="class in org.apache.openjpa.event">TransactionEventManager</A></DD> |
| </DL> |
| <HR> |
| <DL> |
| <DT><PRE>public abstract class <B>AbstractConcurrentEventManager</B><DT>extends <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../../../../org/apache/openjpa/lib/util/EventManager.html" title="interface in org.apache.openjpa.lib.util">EventManager</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A></DL> |
| </PRE> |
| |
| <P> |
| Base event manager that handles adding/removing listeners |
| and firing events. Meant for high concurrency. This class is |
| reentrant-safe; listeners can be added and removed by other listeners when |
| they receive events. The changes will not be visible until the event fire |
| that initiated the recursive sequence of calls completes, however. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Author:</B></DT> |
| <DD>Abe White</DD> |
| <DT><B>See Also:</B><DD><A HREF="../../../../../../serialized-form.html#org.apache.openjpa.lib.util.concurrent.AbstractConcurrentEventManager">Serialized Form</A></DL> |
| <HR> |
| |
| <P> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| <B>Field Summary</B></FONT></TH> |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/AbstractConcurrentEventManager.html#_listeners">_listeners</A></B></CODE> |
| |
| <BR> |
| </TD> |
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| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <B>Constructor Summary</B></FONT></TH> |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/AbstractConcurrentEventManager.html#AbstractConcurrentEventManager()">AbstractConcurrentEventManager</A></B>()</CODE> |
| |
| <BR> |
| Default constructor.</TD> |
| </TR> |
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| |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/AbstractConcurrentEventManager.html#addListener(java.lang.Object)">addListener</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> listener)</CODE> |
| |
| <BR> |
| Register an event listener.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html" title="class or interface in java.lang">Exception</A>[]</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/AbstractConcurrentEventManager.html#fireEvent(java.lang.Object)">fireEvent</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> event)</CODE> |
| |
| <BR> |
| Fire the given event to all listeners.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected abstract void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/AbstractConcurrentEventManager.html#fireEvent(java.lang.Object, java.lang.Object)">fireEvent</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> event, |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> listener)</CODE> |
| |
| <BR> |
| Implement this method to fire the given event to the given listener.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/AbstractConcurrentEventManager.html#getListeners()">getListeners</A></B>()</CODE> |
| |
| <BR> |
| Return a read-only list of listeners.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/AbstractConcurrentEventManager.html#hasListener(java.lang.Object)">hasListener</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> listener)</CODE> |
| |
| <BR> |
| Return whether the given instance is in the list of listeners.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/AbstractConcurrentEventManager.html#hasListeners()">hasListeners</A></B>()</CODE> |
| |
| <BR> |
| Return true if there are any registered listeners.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/AbstractConcurrentEventManager.html#isFailFast()">isFailFast</A></B>()</CODE> |
| |
| <BR> |
| Whether to fail after the first exception thrown by any listener.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/AbstractConcurrentEventManager.html#newListenerCollection()">newListenerCollection</A></B>()</CODE> |
| |
| <BR> |
| Return a new concurrent container for listeners.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/AbstractConcurrentEventManager.html#removeListener(java.lang.Object)">removeListener</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> listener)</CODE> |
| |
| <BR> |
| Remove an event listener.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/lib/util/concurrent/AbstractConcurrentEventManager.html#setFailFast(boolean)">setFailFast</A></B>(boolean failFast)</CODE> |
| |
| <BR> |
| Whether to fail after the first exception thrown by any listener.</TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</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">notify</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> |
| </TR> |
| </TABLE> |
| |
| <P> |
| |
| <!-- ============ FIELD DETAIL =========== --> |
| |
| <A NAME="field_detail"><!-- --></A> |
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| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Field Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="_listeners"><!-- --></A><H3> |
| _listeners</H3> |
| <PRE> |
| protected final <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A> <B>_listeners</B></PRE> |
| <DL> |
| <DL> |
| </DL> |
| </DL> |
| |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| |
| <A NAME="constructor_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Constructor Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="AbstractConcurrentEventManager()"><!-- --></A><H3> |
| AbstractConcurrentEventManager</H3> |
| <PRE> |
| public <B>AbstractConcurrentEventManager</B>()</PRE> |
| <DL> |
| <DD>Default constructor. |
| <P> |
| </DL> |
| |
| <!-- ============ METHOD DETAIL ========== --> |
| |
| <A NAME="method_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Method Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="isFailFast()"><!-- --></A><H3> |
| isFailFast</H3> |
| <PRE> |
| public boolean <B>isFailFast</B>()</PRE> |
| <DL> |
| <DD>Whether to fail after the first exception thrown by any listener. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="setFailFast(boolean)"><!-- --></A><H3> |
| setFailFast</H3> |
| <PRE> |
| public void <B>setFailFast</B>(boolean failFast)</PRE> |
| <DL> |
| <DD>Whether to fail after the first exception thrown by any listener. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="addListener(java.lang.Object)"><!-- --></A><H3> |
| addListener</H3> |
| <PRE> |
| public void <B>addListener</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> listener)</PRE> |
| <DL> |
| <DD>Register an event listener. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/lib/util/EventManager.html#addListener(java.lang.Object)">addListener</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/lib/util/EventManager.html" title="interface in org.apache.openjpa.lib.util">EventManager</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="removeListener(java.lang.Object)"><!-- --></A><H3> |
| removeListener</H3> |
| <PRE> |
| public boolean <B>removeListener</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> listener)</PRE> |
| <DL> |
| <DD>Remove an event listener. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/lib/util/EventManager.html#removeListener(java.lang.Object)">removeListener</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/lib/util/EventManager.html" title="interface in org.apache.openjpa.lib.util">EventManager</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="hasListener(java.lang.Object)"><!-- --></A><H3> |
| hasListener</H3> |
| <PRE> |
| public boolean <B>hasListener</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> listener)</PRE> |
| <DL> |
| <DD>Return whether the given instance is in the list of listeners. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/lib/util/EventManager.html#hasListener(java.lang.Object)">hasListener</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/lib/util/EventManager.html" title="interface in org.apache.openjpa.lib.util">EventManager</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="hasListeners()"><!-- --></A><H3> |
| hasListeners</H3> |
| <PRE> |
| public boolean <B>hasListeners</B>()</PRE> |
| <DL> |
| <DD>Return true if there are any registered listeners. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/lib/util/EventManager.html#hasListeners()">hasListeners</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/lib/util/EventManager.html" title="interface in org.apache.openjpa.lib.util">EventManager</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getListeners()"><!-- --></A><H3> |
| getListeners</H3> |
| <PRE> |
| public <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A> <B>getListeners</B>()</PRE> |
| <DL> |
| <DD>Return a read-only list of listeners. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/lib/util/EventManager.html#getListeners()">getListeners</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/lib/util/EventManager.html" title="interface in org.apache.openjpa.lib.util">EventManager</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="fireEvent(java.lang.Object)"><!-- --></A><H3> |
| fireEvent</H3> |
| <PRE> |
| public <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html" title="class or interface in java.lang">Exception</A>[] <B>fireEvent</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> event)</PRE> |
| <DL> |
| <DD>Fire the given event to all listeners. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/lib/util/EventManager.html#fireEvent(java.lang.Object)">fireEvent</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/lib/util/EventManager.html" title="interface in org.apache.openjpa.lib.util">EventManager</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="fireEvent(java.lang.Object, java.lang.Object)"><!-- --></A><H3> |
| fireEvent</H3> |
| <PRE> |
| protected abstract void <B>fireEvent</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> event, |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> listener) |
| throws <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html" title="class or interface in java.lang">Exception</A></PRE> |
| <DL> |
| <DD>Implement this method to fire the given event to the given listener. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html" title="class or interface in java.lang">Exception</A></CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="newListenerCollection()"><!-- --></A><H3> |
| newListenerCollection</H3> |
| <PRE> |
| protected <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A> <B>newListenerCollection</B>()</PRE> |
| <DL> |
| <DD>Return a new concurrent container for listeners. Uses a |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/concurrent/CopyOnWriteArrayList.html" title="class or interface in java.util.concurrent"><CODE>CopyOnWriteArrayList</CODE></A> by default. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
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