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| <H2> |
| <FONT SIZE="-1"> |
| org.apache.openjpa.kernel.exps</FONT> |
| <BR> |
| Interface Value</H2> |
| <DL> |
| <DT><B>All Superinterfaces:</B> <DD><A HREF="http://download.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</A></DD> |
| </DL> |
| <DL> |
| <DT><B>All Known Subinterfaces:</B> <DD><A HREF="../../../../../org/apache/openjpa/kernel/exps/Arguments.html" title="interface in org.apache.openjpa.kernel.exps">Arguments</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Literal.html" title="interface in org.apache.openjpa.kernel.exps">Literal</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Parameter.html" title="interface in org.apache.openjpa.kernel.exps">Parameter</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Path.html" title="interface in org.apache.openjpa.kernel.exps">Path</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Subquery.html" title="interface in org.apache.openjpa.kernel.exps">Subquery</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/Val.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">Val</A></DD> |
| </DL> |
| <DL> |
| <DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/Abs.html" title="class in org.apache.openjpa.jdbc.kernel.exps">Abs</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/Args.html" title="class in org.apache.openjpa.jdbc.kernel.exps">Args</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/CandidatePath.html" title="class in org.apache.openjpa.kernel.exps">CandidatePath</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Coalesce.html" title="class in org.apache.openjpa.kernel.exps">Coalesce</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/CoalesceExpression.html" title="class in org.apache.openjpa.jdbc.kernel.exps">CoalesceExpression</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/CollectionParam.html" title="class in org.apache.openjpa.jdbc.kernel.exps">CollectionParam</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/Concat.html" title="class in org.apache.openjpa.jdbc.kernel.exps">Concat</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/DatastoreFunction.html" title="class in org.apache.openjpa.jdbc.kernel.exps">DatastoreFunction</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/GeneralCaseExpression.html" title="class in org.apache.openjpa.jdbc.kernel.exps">GeneralCaseExpression</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/IndexOf.html" title="class in org.apache.openjpa.jdbc.kernel.exps">IndexOf</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/Lit.html" title="class in org.apache.openjpa.jdbc.kernel.exps">Lit</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/MapEntry.html" title="class in org.apache.openjpa.jdbc.kernel.exps">MapEntry</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/MapKey.html" title="class in org.apache.openjpa.jdbc.kernel.exps">MapKey</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/Math.html" title="class in org.apache.openjpa.jdbc.kernel.exps">Math</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/Null.html" title="class in org.apache.openjpa.jdbc.kernel.exps">Null</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/NullableAggregateUnaryOp.html" title="class in org.apache.openjpa.jdbc.kernel.exps">NullableAggregateUnaryOp</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/NullIf.html" title="class in org.apache.openjpa.kernel.exps">NullIf</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/NullIfExpression.html" title="class in org.apache.openjpa.jdbc.kernel.exps">NullIfExpression</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/Param.html" title="class in org.apache.openjpa.jdbc.kernel.exps">Param</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/PCPath.html" title="class in org.apache.openjpa.jdbc.kernel.exps">PCPath</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/SimpleCase.html" title="class in org.apache.openjpa.kernel.exps">SimpleCase</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/SimpleCaseExpression.html" title="class in org.apache.openjpa.jdbc.kernel.exps">SimpleCaseExpression</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/Sqrt.html" title="class in org.apache.openjpa.jdbc.kernel.exps">Sqrt</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/StringLength.html" title="class in org.apache.openjpa.jdbc.kernel.exps">StringLength</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/SubQ.html" title="class in org.apache.openjpa.jdbc.kernel.exps">SubQ</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/Substring.html" title="class in org.apache.openjpa.jdbc.kernel.exps">Substring</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/ToLowerCase.html" title="class in org.apache.openjpa.jdbc.kernel.exps">ToLowerCase</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/ToUpperCase.html" title="class in org.apache.openjpa.jdbc.kernel.exps">ToUpperCase</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/Trim.html" title="class in org.apache.openjpa.jdbc.kernel.exps">Trim</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/kernel/exps/TypeLit.html" title="class in org.apache.openjpa.jdbc.kernel.exps">TypeLit</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html" title="class in org.apache.openjpa.kernel.exps">Val</A></DD> |
| </DL> |
| <HR> |
| <DL> |
| <DT><PRE>public interface <B>Value</B><DT>extends <A HREF="http://download.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</A></DL> |
| </PRE> |
| |
| <P> |
| Interface for any non-operator in a query filter, including |
| constants, variables, and object fields. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Author:</B></DT> |
| <DD>Abe White</DD> |
| </DL> |
| <HR> |
| |
| <P> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
| |
| <A NAME="method_summary"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <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> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html#acceptVisit(org.apache.openjpa.kernel.exps.ExpressionVisitor)">acceptVisit</A></B>(<A HREF="../../../../../org/apache/openjpa/kernel/exps/ExpressionVisitor.html" title="interface in org.apache.openjpa.kernel.exps">ExpressionVisitor</A> visitor)</CODE> |
| |
| <BR> |
| Accept a visit from a tree visitor.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html#getAlias()">getAlias</A></B>()</CODE> |
| |
| <BR> |
| Return select item alias</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html#getMetaData()">getMetaData</A></B>()</CODE> |
| |
| <BR> |
| Return any associated persistent type.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html#getName()">getName</A></B>()</CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="../../../../../org/apache/openjpa/kernel/exps/Path.html" title="interface in org.apache.openjpa.kernel.exps">Path</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html#getPath()">getPath</A></B>()</CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html#getSelectAs()">getSelectAs</A></B>()</CODE> |
| |
| <BR> |
| Return 'this' concrete class if alias is set, otherwise null</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html#getType()">getType</A></B>()</CODE> |
| |
| <BR> |
| Return the expected type for this value, or <code>Object</code> if |
| the type is unknown.</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/kernel/exps/Value.html#isAggregate()">isAggregate</A></B>()</CODE> |
| |
| <BR> |
| Return true if this value is an aggregate.</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/kernel/exps/Value.html#isVariable()">isVariable</A></B>()</CODE> |
| |
| <BR> |
| Return true if this value is a variable.</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/kernel/exps/Value.html#isXPath()">isXPath</A></B>()</CODE> |
| |
| <BR> |
| Return true if this value is an XML Path.</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/kernel/exps/Value.html#setAlias(java.lang.String)">setAlias</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> alias)</CODE> |
| |
| <BR> |
| Set select item alias</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/kernel/exps/Value.html#setImplicitType(java.lang.Class)">setImplicitType</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> type)</CODE> |
| |
| <BR> |
| Set the implicit type of the value, based on how it is used in the |
| filter.</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/kernel/exps/Value.html#setMetaData(org.apache.openjpa.meta.ClassMetaData)">setMetaData</A></B>(<A HREF="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</A> meta)</CODE> |
| |
| <BR> |
| Associate a persistent type with this value.</TD> |
| </TR> |
| </TABLE> |
| |
| <P> |
| |
| <!-- ============ 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="getType()"><!-- --></A><H3> |
| getType</H3> |
| <PRE> |
| <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> <B>getType</B>()</PRE> |
| <DL> |
| <DD>Return the expected type for this value, or <code>Object</code> if |
| the type is unknown. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="setImplicitType(java.lang.Class)"><!-- --></A><H3> |
| setImplicitType</H3> |
| <PRE> |
| void <B>setImplicitType</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> type)</PRE> |
| <DL> |
| <DD>Set the implicit type of the value, based on how it is used in the |
| filter. This method is only called on values who return |
| <code>Object</code> from <A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html#getType()"><CODE>getType()</CODE></A>. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="isVariable()"><!-- --></A><H3> |
| isVariable</H3> |
| <PRE> |
| boolean <B>isVariable</B>()</PRE> |
| <DL> |
| <DD>Return true if this value is a variable. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="isAggregate()"><!-- --></A><H3> |
| isAggregate</H3> |
| <PRE> |
| boolean <B>isAggregate</B>()</PRE> |
| <DL> |
| <DD>Return true if this value is an aggregate. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="isXPath()"><!-- --></A><H3> |
| isXPath</H3> |
| <PRE> |
| boolean <B>isXPath</B>()</PRE> |
| <DL> |
| <DD>Return true if this value is an XML Path. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getMetaData()"><!-- --></A><H3> |
| getMetaData</H3> |
| <PRE> |
| <A HREF="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</A> <B>getMetaData</B>()</PRE> |
| <DL> |
| <DD>Return any associated persistent type. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="setMetaData(org.apache.openjpa.meta.ClassMetaData)"><!-- --></A><H3> |
| setMetaData</H3> |
| <PRE> |
| void <B>setMetaData</B>(<A HREF="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</A> meta)</PRE> |
| <DL> |
| <DD>Associate a persistent type with this value. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="acceptVisit(org.apache.openjpa.kernel.exps.ExpressionVisitor)"><!-- --></A><H3> |
| acceptVisit</H3> |
| <PRE> |
| void <B>acceptVisit</B>(<A HREF="../../../../../org/apache/openjpa/kernel/exps/ExpressionVisitor.html" title="interface in org.apache.openjpa.kernel.exps">ExpressionVisitor</A> visitor)</PRE> |
| <DL> |
| <DD>Accept a visit from a tree visitor. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getAlias()"><!-- --></A><H3> |
| getAlias</H3> |
| <PRE> |
| <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getAlias</B>()</PRE> |
| <DL> |
| <DD>Return select item alias |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="setAlias(java.lang.String)"><!-- --></A><H3> |
| setAlias</H3> |
| <PRE> |
| void <B>setAlias</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> alias)</PRE> |
| <DL> |
| <DD>Set select item alias |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
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