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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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org.eclipse.emf.cdo.common.lock (CDO Model Repository Documentation)
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<H2>
Package org.eclipse.emf.cdo.common.lock
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<A NAME="package_description"><!-- --></A>
Common concepts for dealing with durable locks and views.

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<map id="APIVIZ" name="APIVIZ">
<area shape="rect" id="node1" title="Object (java.lang)" alt="" coords="1023,5,1103,45"/>
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<area shape="rect" id="node3" href="CDOLockChangeInfo.html" title="&#171;interface&#187; CDOLockChangeInfo" alt="" coords="318,171,461,211"/>
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<area shape="rect" id="node5" href="CDOLockOwner.html" title="&#171;interface&#187; CDOLockOwner" alt="" coords="1005,107,1120,147"/>
<area shape="rect" id="node6" href="CDOLockState.html" title="&#171;interface&#187; CDOLockState" alt="" coords="681,107,791,147"/>
<area shape="rect" id="node7" href="IDurableLockingManager.html" title="&#171;interface&#187; IDurableLockingManager" alt="" coords="654,315,818,355"/>
<area shape="rect" id="node8" href="IDurableLockingManager.LockArea.html" title="&#171;interface&#187; IDurableLockingManager.LockArea" alt="" coords="278,375,501,415"/>
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<area shape="rect" id="node11" href="CDOLockUtil.html" title="&#171;static&#187; CDOLockUtil" alt="" coords="77,113,174,153"/>
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<B>Interface Summary</B></FONT></TH>
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<TD WIDTH="15%"><B><A HREF="../../../../../../org/eclipse/emf/cdo/common/lock/CDOLockChangeInfo.html" title="interface in org.eclipse.emf.cdo.common.lock">CDOLockChangeInfo</A></B></TD>
<TD>Represents a change in the lock state of a set of objects.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../../org/eclipse/emf/cdo/common/lock/CDOLockChangeInfoHandler.html" title="interface in org.eclipse.emf.cdo.common.lock">CDOLockChangeInfoHandler</A></B></TD>
<TD>A call-back interface that indicates the ability to <i>handle</i> <A HREF="../../../../../../org/eclipse/emf/cdo/common/lock/CDOLockChangeInfo.html" title="interface in org.eclipse.emf.cdo.common.lock"><CODE>lock-change infos</CODE></A> that
 are passed from other entities.</TD>
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<TD WIDTH="15%"><B><A HREF="../../../../../../org/eclipse/emf/cdo/common/lock/CDOLockOwner.html" title="interface in org.eclipse.emf.cdo.common.lock">CDOLockOwner</A></B></TD>
<TD>A client-side representation of a view owning locks.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../../org/eclipse/emf/cdo/common/lock/CDOLockState.html" title="interface in org.eclipse.emf.cdo.common.lock">CDOLockState</A></B></TD>
<TD>A client-side representation of <i>all</i> the locks on a single CDOObject.</TD>
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<TD WIDTH="15%"><B><A HREF="../../../../../../org/eclipse/emf/cdo/common/lock/IDurableLockingManager.html" title="interface in org.eclipse.emf.cdo.common.lock">IDurableLockingManager</A></B></TD>
<TD>Manages all persistent aspects of durable CDO views such as <A HREF="../../../../../../org/eclipse/emf/cdo/common/branch/CDOBranchPoint.html" title="interface in org.eclipse.emf.cdo.common.branch"><CODE>branch point</CODE></A> and acquired locks.</TD>
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<TD>Encapsulates the persistable information about a single durable CDO view like <A HREF="../../../../../../org/eclipse/emf/cdo/common/branch/CDOBranchPoint.html" title="interface in org.eclipse.emf.cdo.common.branch"><CODE>branch point</CODE></A>
 and acquired locks.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../../org/eclipse/emf/cdo/common/lock/IDurableLockingManager.LockArea.Handler.html" title="interface in org.eclipse.emf.cdo.common.lock">IDurableLockingManager.LockArea.Handler</A></B></TD>
<TD>A call-back interface for <em>handling</em> <A HREF="../../../../../../org/eclipse/emf/cdo/common/lock/IDurableLockingManager.LockArea.html" title="interface in org.eclipse.emf.cdo.common.lock"><CODE>lock area</CODE></A> objects.</TD>
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<B>Class Summary</B></FONT></TH>
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<TD WIDTH="15%"><B><A HREF="../../../../../../org/eclipse/emf/cdo/common/lock/CDOLockUtil.html" title="class in org.eclipse.emf.cdo.common.lock">CDOLockUtil</A></B></TD>
<TD>Various static methods that may help with classes related to CDO locks.</TD>
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<B>Enum Summary</B></FONT></TH>
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<TD WIDTH="15%"><B><A HREF="../../../../../../org/eclipse/emf/cdo/common/lock/CDOLockChangeInfo.Operation.html" title="enum in org.eclipse.emf.cdo.common.lock">CDOLockChangeInfo.Operation</A></B></TD>
<TD>Enumerates the possible locking operations.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../../org/eclipse/emf/cdo/common/lock/IDurableLockingManager.LockGrade.html" title="enum in org.eclipse.emf.cdo.common.lock">IDurableLockingManager.LockGrade</A></B></TD>
<TD>Enumerates the possible combinations of read and write locks on a single CDO object.</TD>
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&nbsp;

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<B>Exception Summary</B></FONT></TH>
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<TD WIDTH="15%"><B><A HREF="../../../../../../org/eclipse/emf/cdo/common/lock/IDurableLockingManager.LockAreaAlreadyExistsException.html" title="class in org.eclipse.emf.cdo.common.lock">IDurableLockingManager.LockAreaAlreadyExistsException</A></B></TD>
<TD>Exception occurs when attempting to create a durable <A HREF="../../../../../../org/eclipse/emf/cdo/common/lock/IDurableLockingManager.LockArea.html" title="interface in org.eclipse.emf.cdo.common.lock"><CODE>IDurableLockingManager.LockArea</CODE></A> that already exists.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../../org/eclipse/emf/cdo/common/lock/IDurableLockingManager.LockAreaNotFoundException.html" title="class in org.eclipse.emf.cdo.common.lock">IDurableLockingManager.LockAreaNotFoundException</A></B></TD>
<TD>Thrown if a <A HREF="../../../../../../org/eclipse/emf/cdo/common/lock/IDurableLockingManager.LockArea.html" title="interface in org.eclipse.emf.cdo.common.lock"><CODE>lock area</CODE></A> is spcified that does not exist in a CDO <A HREF="../../../../../../org/eclipse/emf/cdo/common/CDOCommonRepository.html" title="interface in org.eclipse.emf.cdo.common"><CODE>repository</CODE></A>.</TD>
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