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| SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD> |
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| org.apache.openjpa.datacache</FONT> |
| <BR> |
| Class QueryKey</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.datacache.QueryKey</B> |
| </PRE> |
| <DL> |
| <DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Externalizable.html" title="class or interface in java.io">Externalizable</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></DD> |
| </DL> |
| <HR> |
| <DL> |
| <DT><PRE>public class <B>QueryKey</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="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Externalizable.html" title="class or interface in java.io">Externalizable</A></DL> |
| </PRE> |
| |
| <P> |
| This class stores information about a particular invocation of |
| a query. It contains a reference to the external properties of the |
| query that was executed, as well as any parameters used to execute |
| that query, with one exception: first-class objects used as |
| parameter values are converted to OIDs. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Author:</B></DT> |
| <DD>Patrick Linskey</DD> |
| <DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#org.apache.openjpa.datacache.QueryKey">Serialized Form</A></DL> |
| <HR> |
| |
| <P> |
| |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| |
| <A NAME="constructor_summary"><!-- --></A> |
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| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Constructor Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/QueryKey.html#QueryKey()">QueryKey</A></B>()</CODE> |
| |
| <BR> |
| Public constructor for externalization only.</TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
| |
| <A NAME="method_summary"><!-- --></A> |
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| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Method Summary</B></FONT></TH> |
| </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/datacache/QueryKey.html#changeInvalidatesQuery(java.util.Collection)">changeInvalidatesQuery</A></B>(<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> changed)</CODE> |
| |
| <BR> |
| Returns <code>true</code> if modifications to any of the |
| classes in <code>changed</code> results in a possible |
| invalidation of this query; otherwise returns |
| <code>false</code>.</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/datacache/QueryKey.html#equals(java.lang.Object)">equals</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> ob)</CODE> |
| |
| <BR> |
| Determine equality based on identifying information.</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/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/QueryKey.html#getCandidateTypeName()">getCandidateTypeName</A></B>()</CODE> |
| |
| <BR> |
| Returns the candidate class name for this query.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/QueryKey.html#getTimeout()">getTimeout</A></B>()</CODE> |
| |
| <BR> |
| Return the amount of time this key is good for.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/QueryKey.html#hashCode()">hashCode</A></B>()</CODE> |
| |
| <BR> |
| Define a hashing algorithm corresponding to the <A HREF="../../../../org/apache/openjpa/datacache/QueryKey.html#equals(java.lang.Object)"><CODE>equals(java.lang.Object)</CODE></A> |
| method defined above.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static <A HREF="../../../../org/apache/openjpa/datacache/QueryKey.html" title="class in org.apache.openjpa.datacache">QueryKey</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/QueryKey.html#newInstance(org.apache.openjpa.kernel.Query)">newInstance</A></B>(<A HREF="../../../../org/apache/openjpa/kernel/Query.html" title="interface in org.apache.openjpa.kernel">Query</A> q)</CODE> |
| |
| <BR> |
| Return a key for the given query, or null if it is not cacheable.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static <A HREF="../../../../org/apache/openjpa/datacache/QueryKey.html" title="class in org.apache.openjpa.datacache">QueryKey</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/QueryKey.html#newInstance(org.apache.openjpa.kernel.Query, java.util.Map)">newInstance</A></B>(<A HREF="../../../../org/apache/openjpa/kernel/Query.html" title="interface in org.apache.openjpa.kernel">Query</A> q, |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A> args)</CODE> |
| |
| <BR> |
| Return a key for the given query, or null if it is not cacheable.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static <A HREF="../../../../org/apache/openjpa/datacache/QueryKey.html" title="class in org.apache.openjpa.datacache">QueryKey</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/QueryKey.html#newInstance(org.apache.openjpa.kernel.Query, java.lang.Object[])">newInstance</A></B>(<A HREF="../../../../org/apache/openjpa/kernel/Query.html" title="interface in org.apache.openjpa.kernel">Query</A> q, |
| <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>[] args)</CODE> |
| |
| <BR> |
| Return a key for the given query, or null if it is not cacheable.</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/datacache/QueryKey.html#readExternal(java.io.ObjectInput)">readExternal</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/ObjectInput.html" title="class or interface in java.io">ObjectInput</A> in)</CODE> |
| |
| <BR> |
| </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/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/QueryKey.html#toString()">toString</A></B>()</CODE> |
| |
| <BR> |
| </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/datacache/QueryKey.html#writeExternal(java.io.ObjectOutput)">writeExternal</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/ObjectOutput.html" title="class or interface in java.io">ObjectOutput</A> out)</CODE> |
| |
| <BR> |
| </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#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#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#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> |
| |
| <!-- ========= 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="QueryKey()"><!-- --></A><H3> |
| QueryKey</H3> |
| <PRE> |
| public <B>QueryKey</B>()</PRE> |
| <DL> |
| <DD>Public constructor for externalization only. |
| <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="newInstance(org.apache.openjpa.kernel.Query)"><!-- --></A><H3> |
| newInstance</H3> |
| <PRE> |
| public static <A HREF="../../../../org/apache/openjpa/datacache/QueryKey.html" title="class in org.apache.openjpa.datacache">QueryKey</A> <B>newInstance</B>(<A HREF="../../../../org/apache/openjpa/kernel/Query.html" title="interface in org.apache.openjpa.kernel">Query</A> q)</PRE> |
| <DL> |
| <DD>Return a key for the given query, or null if it is not cacheable. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="newInstance(org.apache.openjpa.kernel.Query, java.lang.Object[])"><!-- --></A><H3> |
| newInstance</H3> |
| <PRE> |
| public static <A HREF="../../../../org/apache/openjpa/datacache/QueryKey.html" title="class in org.apache.openjpa.datacache">QueryKey</A> <B>newInstance</B>(<A HREF="../../../../org/apache/openjpa/kernel/Query.html" title="interface in org.apache.openjpa.kernel">Query</A> q, |
| <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>[] args)</PRE> |
| <DL> |
| <DD>Return a key for the given query, or null if it is not cacheable. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="newInstance(org.apache.openjpa.kernel.Query, java.util.Map)"><!-- --></A><H3> |
| newInstance</H3> |
| <PRE> |
| public static <A HREF="../../../../org/apache/openjpa/datacache/QueryKey.html" title="class in org.apache.openjpa.datacache">QueryKey</A> <B>newInstance</B>(<A HREF="../../../../org/apache/openjpa/kernel/Query.html" title="interface in org.apache.openjpa.kernel">Query</A> q, |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A> args)</PRE> |
| <DL> |
| <DD>Return a key for the given query, or null if it is not cacheable. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getCandidateTypeName()"><!-- --></A><H3> |
| getCandidateTypeName</H3> |
| <PRE> |
| public <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getCandidateTypeName</B>()</PRE> |
| <DL> |
| <DD>Returns the candidate class name for this query. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getTimeout()"><!-- --></A><H3> |
| getTimeout</H3> |
| <PRE> |
| public int <B>getTimeout</B>()</PRE> |
| <DL> |
| <DD>Return the amount of time this key is good for. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="changeInvalidatesQuery(java.util.Collection)"><!-- --></A><H3> |
| changeInvalidatesQuery</H3> |
| <PRE> |
| public boolean <B>changeInvalidatesQuery</B>(<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> changed)</PRE> |
| <DL> |
| <DD>Returns <code>true</code> if modifications to any of the |
| classes in <code>changed</code> results in a possible |
| invalidation of this query; otherwise returns |
| <code>false</code>. Invalidation is possible if one or more of |
| the classes in this query key's access path has been changed. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="equals(java.lang.Object)"><!-- --></A><H3> |
| equals</H3> |
| <PRE> |
| public boolean <B>equals</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> ob)</PRE> |
| <DL> |
| <DD>Determine equality based on identifying information. Keys |
| created for queries that specify a candidate collection are |
| always not equal. |
| <P> |
| <DD><DL> |
| <DT><B>Overrides:</B><DD><CODE><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></CODE> in class <CODE><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></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="hashCode()"><!-- --></A><H3> |
| hashCode</H3> |
| <PRE> |
| public int <B>hashCode</B>()</PRE> |
| <DL> |
| <DD>Define a hashing algorithm corresponding to the <A HREF="../../../../org/apache/openjpa/datacache/QueryKey.html#equals(java.lang.Object)"><CODE>equals(java.lang.Object)</CODE></A> |
| method defined above. |
| <P> |
| <DD><DL> |
| <DT><B>Overrides:</B><DD><CODE><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></CODE> in class <CODE><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></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="toString()"><!-- --></A><H3> |
| toString</H3> |
| <PRE> |
| public <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>toString</B>()</PRE> |
| <DL> |
| <DD><DL> |
| <DT><B>Overrides:</B><DD><CODE><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></CODE> in class <CODE><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></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="writeExternal(java.io.ObjectOutput)"><!-- --></A><H3> |
| writeExternal</H3> |
| <PRE> |
| public void <B>writeExternal</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/ObjectOutput.html" title="class or interface in java.io">ObjectOutput</A> out) |
| throws <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE> |
| <DL> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Externalizable.html#writeExternal(java.io.ObjectOutput)" title="class or interface in java.io">writeExternal</A></CODE> in interface <CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Externalizable.html" title="class or interface in java.io">Externalizable</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="readExternal(java.io.ObjectInput)"><!-- --></A><H3> |
| readExternal</H3> |
| <PRE> |
| public void <B>readExternal</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/ObjectInput.html" title="class or interface in java.io">ObjectInput</A> in) |
| throws <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A>, |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/ClassNotFoundException.html" title="class or interface in java.lang">ClassNotFoundException</A></PRE> |
| <DL> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Externalizable.html#readExternal(java.io.ObjectInput)" title="class or interface in java.io">readExternal</A></CODE> in interface <CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Externalizable.html" title="class or interface in java.io">Externalizable</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> |
| <DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/ClassNotFoundException.html" title="class or interface in java.lang">ClassNotFoundException</A></CODE></DL> |
| </DD> |
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