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VersioningPast (Rice Pastry - API Specifications)
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<A HREF="../../../rice/p2p/glacier/VersionKey.html" title="class in rice.p2p.glacier"><B>NEXT CLASS</B></A></FONT></TD>
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SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD>
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DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD>
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<!-- ======== START OF CLASS DATA ======== -->
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<H2>
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<FONT SIZE="-1">
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rice.p2p.glacier</FONT>
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<BR>
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Interface VersioningPast</H2>
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<DL>
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<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../rice/p2p/aggregation/AggregationImpl.html" title="class in rice.p2p.aggregation">AggregationImpl</A>, <A HREF="../../../rice/p2p/glacier/v2/GlacierImpl.html" title="class in rice.p2p.glacier.v2">GlacierImpl</A>, <A HREF="../../../rice/p2p/aggregation/Moraine.html" title="class in rice.p2p.aggregation">Moraine</A></DD>
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<DL>
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<DT><PRE>public interface <B>VersioningPast</B></DL>
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</PRE>
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<P>
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<DL>
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<DT><B>Version:</B></DT>
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<DD>$Id: VersioningPast.java 4654 2009-01-08 16:33:07Z jeffh $</DD>
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<DT><B>Author:</B></DT>
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<DD>Andreas Haeberlen</DD>
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</DL>
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<HR>
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<P>
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<!-- ========== METHOD SUMMARY =========== -->
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<A NAME="method_summary"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
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<B>Method Summary</B></FONT></TH>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/glacier/VersioningPast.html#lookup(rice.p2p.commonapi.Id, long, rice.Continuation)">lookup</A></B>(<A HREF="../../../rice/p2p/commonapi/Id.html" title="interface in rice.p2p.commonapi">Id</A> id,
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long version,
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<A HREF="../../../rice/Continuation.html" title="interface in rice">Continuation</A> command)</CODE>
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<BR>
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Retrieves the object stored in this instance of Past with the
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given ID and the specified version.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/glacier/VersioningPast.html#lookupHandles(rice.p2p.commonapi.Id, long, int, rice.Continuation)">lookupHandles</A></B>(<A HREF="../../../rice/p2p/commonapi/Id.html" title="interface in rice.p2p.commonapi">Id</A> id,
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long version,
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int num,
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<A HREF="../../../rice/Continuation.html" title="interface in rice">Continuation</A> command)</CODE>
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<BR>
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Retrieves the handles of up to max replicas of the object stored
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in this instance of Past with the given ID.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/glacier/VersioningPast.html#refresh(rice.p2p.commonapi.Id[], long[], long[], rice.Continuation)">refresh</A></B>(<A HREF="../../../rice/p2p/commonapi/Id.html" title="interface in rice.p2p.commonapi">Id</A>[] ids,
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long[] versions,
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long[] expirations,
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<A HREF="../../../rice/Continuation.html" title="interface in rice">Continuation</A> command)</CODE>
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<BR>
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Updates the objects stored under the provided keys id to expire no
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earlier than the provided expiration time.</TD>
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</TR>
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</TABLE>
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<P>
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<!-- ============ METHOD DETAIL ========== -->
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<A NAME="method_detail"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
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<B>Method Detail</B></FONT></TH>
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</TR>
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</TABLE>
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<A NAME="lookup(rice.p2p.commonapi.Id, long, rice.Continuation)"><!-- --></A><H3>
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lookup</H3>
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<PRE>
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void <B>lookup</B>(<A HREF="../../../rice/p2p/commonapi/Id.html" title="interface in rice.p2p.commonapi">Id</A> id,
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long version,
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<A HREF="../../../rice/Continuation.html" title="interface in rice">Continuation</A> command)</PRE>
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<DL>
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<DD>Retrieves the object stored in this instance of Past with the
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given ID and the specified version. Asynchronously returns
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a PastContent object as the result to the provided Continuation,
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or a PastException.
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<P>
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<DD><DL>
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<DT><B>Parameters:</B><DD><CODE>id</CODE> - the key to be queried<DD><CODE>command</CODE> - Command to be performed when the result is received</DL>
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</DD>
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</DL>
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<HR>
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<A NAME="lookupHandles(rice.p2p.commonapi.Id, long, int, rice.Continuation)"><!-- --></A><H3>
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lookupHandles</H3>
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<PRE>
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void <B>lookupHandles</B>(<A HREF="../../../rice/p2p/commonapi/Id.html" title="interface in rice.p2p.commonapi">Id</A> id,
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long version,
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int num,
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<A HREF="../../../rice/Continuation.html" title="interface in rice">Continuation</A> command)</PRE>
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<DL>
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<DD>Retrieves the handles of up to max replicas of the object stored
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in this instance of Past with the given ID. Asynchronously
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returns an array of PastContentHandles as the result to the
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provided Continuation, or a PastException.
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Each replica handle is obtained from a different primary storage
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root for the the given key. If max exceeds the replication factor
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r of this Past instance, only r replicas are returned.
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This method will return a PastContentHandle[] array containing all
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of the handles.
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<P>
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<DD><DL>
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<DT><B>Parameters:</B><DD><CODE>id</CODE> - the key to be queried<DD><CODE>version</CODE> - the requested version<DD><CODE>max</CODE> - the maximal number of replicas requested<DD><CODE>command</CODE> - Command to be performed when the result is received</DL>
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</DD>
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</DL>
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<HR>
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<A NAME="refresh(rice.p2p.commonapi.Id[], long[], long[], rice.Continuation)"><!-- --></A><H3>
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refresh</H3>
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<PRE>
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void <B>refresh</B>(<A HREF="../../../rice/p2p/commonapi/Id.html" title="interface in rice.p2p.commonapi">Id</A>[] ids,
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long[] versions,
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long[] expirations,
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<A HREF="../../../rice/Continuation.html" title="interface in rice">Continuation</A> command)</PRE>
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<DL>
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<DD>Updates the objects stored under the provided keys id to expire no
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earlier than the provided expiration time. Asyncroniously returns
|
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the result to the caller via the provided continuation.
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The result of this operation is an Object[], which is the same length
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as the input array of Ids. Each element in the array is either
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Boolean(true), representing that the refresh succeeded for the
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cooresponding Id, or an Exception describing why the refresh failed.
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Specifically, the possible exceptions which can be returned are:
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ObjectNotFoundException - if no object was found under the given key
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RefreshFailedException - if the refresh operation failed for any other
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reason (the getMessage() will describe the failure)
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<P>
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<DD><DL>
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<DT><B>Parameters:</B><DD><CODE>id</CODE> - The keys which to refresh<DD><CODE>version</CODE> - The versions which to refresh<DD><CODE>expiration</CODE> - The time to extend the lifetime to<DD><CODE>command</CODE> - Command to be performed when the result is received</DL>
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</DD>
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</DL>
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<!-- ========= END OF CLASS DATA ========= -->
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<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD>
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<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
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Rice Pastry API</EM>
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</TD>
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DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD>
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