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<div class="subTitle">org.apache.openjpa.lib.util</div>
<h2 title="Interface EventManager" class="title">Interface EventManager</h2>
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<dd><a href="../../../../../org/apache/openjpa/lib/util/concurrent/AbstractConcurrentEventManager.html" title="class in org.apache.openjpa.lib.util.concurrent">AbstractConcurrentEventManager</a>, <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/datacache/ConcurrentDataCache.html" title="class in org.apache.openjpa.datacache">ConcurrentDataCache</a>, <a href="../../../../../org/apache/openjpa/datacache/ConcurrentQueryCache.html" title="class in org.apache.openjpa.datacache">ConcurrentQueryCache</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/datacache/PartitionedDataCache.html" title="class in org.apache.openjpa.datacache">PartitionedDataCache</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>
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<pre>public interface <span class="strong">EventManager</span></pre>
<div class="block">Basic event manager interface.</div>
<dl><dt><span class="strong">Author:</span></dt>
<dd>Abe White</dd></dl>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/EventManager.html#addListener(java.lang.Object)">addListener</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;listener)</code>
<div class="block">Add an event listener.</div>
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<tr class="rowColor">
<td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a>[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/EventManager.html#fireEvent(java.lang.Object)">fireEvent</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;event)</code>
<div class="block">Fire the given event to all listeners, returning any exceptions.</div>
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<tr class="altColor">
<td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/EventManager.html#getListeners()">getListeners</a></strong>()</code>
<div class="block">Return a read-only list of listeners.</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/EventManager.html#hasListener(java.lang.Object)">hasListener</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;listener)</code>
<div class="block">Return whether the given instance is in the list of listeners.</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/EventManager.html#hasListeners()">hasListeners</a></strong>()</code>
<div class="block">Return true if there are any registered listeners.</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/EventManager.html#removeListener(java.lang.Object)">removeListener</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;listener)</code>
<div class="block">Remove an event listener.</div>
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<h4>addListener</h4>
<pre>void&nbsp;addListener(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;listener)</pre>
<div class="block">Add an event listener.</div>
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<h4>removeListener</h4>
<pre>boolean&nbsp;removeListener(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;listener)</pre>
<div class="block">Remove an event listener.</div>
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<h4>hasListener</h4>
<pre>boolean&nbsp;hasListener(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;listener)</pre>
<div class="block">Return whether the given instance is in the list of listeners.</div>
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<pre>boolean&nbsp;hasListeners()</pre>
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<pre><a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&nbsp;getListeners()</pre>
<div class="block">Return a read-only list of listeners.</div>
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<h4>fireEvent</h4>
<pre><a href="http://download.oracle.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a>[]&nbsp;fireEvent(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;event)</pre>
<div class="block">Fire the given event to all listeners, returning any exceptions.</div>
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