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ExpressionImpl (OpenJPA Parent POM 2.0.1 API)
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org.apache.openjpa.persistence.criteria</FONT>
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Class ExpressionImpl&lt;X&gt;</H2>
<PRE>
<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../org/apache/openjpa/persistence/criteria/SelectionImpl.html" title="class in org.apache.openjpa.persistence.criteria">org.apache.openjpa.persistence.criteria.SelectionImpl</A>&lt;X&gt;
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.openjpa.persistence.criteria.ExpressionImpl&lt;X&gt;</B>
</PRE>
<DL>
<DT><DT><B>Type Parameters:</B><DD><CODE>X</CODE> - the type of the value this expression represents.</DL>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true" title="class or interface in javax.persistence.criteria">Expression</A>&lt;X&gt;, <A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Selection.html?is-external=true" title="class or interface in javax.persistence.criteria">Selection</A>&lt;X&gt;, <A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/TupleElement.html?is-external=true" title="class or interface in javax.persistence">TupleElement</A>&lt;X&gt;, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/CriteriaExpression.html" title="interface in org.apache.openjpa.persistence.criteria">CriteriaExpression</A></DD>
</DL>
<DL>
<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../../org/apache/openjpa/persistence/criteria/Expressions.BinarayFunctionalExpression.html" title="class in org.apache.openjpa.persistence.criteria">Expressions.BinarayFunctionalExpression</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/Expressions.Case.html" title="class in org.apache.openjpa.persistence.criteria">Expressions.Case</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/Expressions.CastAs.html" title="class in org.apache.openjpa.persistence.criteria">Expressions.CastAs</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/Expressions.Coalesce.html" title="class in org.apache.openjpa.persistence.criteria">Expressions.Coalesce</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/Expressions.Constant.html" title="class in org.apache.openjpa.persistence.criteria">Expressions.Constant</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/Expressions.CurrentDate.html" title="class in org.apache.openjpa.persistence.criteria">Expressions.CurrentDate</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/Expressions.CurrentTime.html" title="class in org.apache.openjpa.persistence.criteria">Expressions.CurrentTime</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/Expressions.CurrentTimestamp.html" title="class in org.apache.openjpa.persistence.criteria">Expressions.CurrentTimestamp</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/Expressions.FunctionalExpression.html" title="class in org.apache.openjpa.persistence.criteria">Expressions.FunctionalExpression</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/Expressions.ListArgument.html" title="class in org.apache.openjpa.persistence.criteria">Expressions.ListArgument</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/Expressions.Locate.html" title="class in org.apache.openjpa.persistence.criteria">Expressions.Locate</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/Expressions.Nullif.html" title="class in org.apache.openjpa.persistence.criteria">Expressions.Nullif</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/Expressions.SimpleCase.html" title="class in org.apache.openjpa.persistence.criteria">Expressions.SimpleCase</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/Expressions.SubqueryExpression.html" title="class in org.apache.openjpa.persistence.criteria">Expressions.SubqueryExpression</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/Expressions.UnaryFunctionalExpression.html" title="class in org.apache.openjpa.persistence.criteria">Expressions.UnaryFunctionalExpression</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/Joins.MapEntry.html" title="class in org.apache.openjpa.persistence.criteria">Joins.MapEntry</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/ParameterExpressionImpl.html" title="class in org.apache.openjpa.persistence.criteria">ParameterExpressionImpl</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/PathImpl.html" title="class in org.apache.openjpa.persistence.criteria">PathImpl</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/PredicateImpl.html" title="class in org.apache.openjpa.persistence.criteria">PredicateImpl</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/SubqueryImpl.html" title="class in org.apache.openjpa.persistence.criteria">SubqueryImpl</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>abstract class <B>ExpressionImpl&lt;X&gt;</B><DT>extends <A HREF="../../../../../org/apache/openjpa/persistence/criteria/SelectionImpl.html" title="class in org.apache.openjpa.persistence.criteria">SelectionImpl</A>&lt;X&gt;<DT>implements <A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true" title="class or interface in javax.persistence.criteria">Expression</A>&lt;X&gt;</DL>
</PRE>
<P>
Expression node for Criteria query.
Acts a bridge pattern to equivalent kernel representation.
<P>
<P>
<DL>
<DT><B>Since:</B></DT>
<DD>2.0.0</DD>
<DT><B>Author:</B></DT>
<DD>Pinaki Poddar</DD>
</DL>
<HR>
<P>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<B>Constructor Summary</B></FONT></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html#ExpressionImpl(java.lang.Class)">ExpressionImpl</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;<A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html" title="type parameter in ExpressionImpl">X</A>&gt;&nbsp;cls)</CODE>
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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<!-- ========== METHOD SUMMARY =========== -->
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<B>Method Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE>&lt;Y&gt; <A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true" title="class or interface in javax.persistence.criteria">Expression</A>&lt;Y&gt;</CODE></FONT></TD>
</TR>
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</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html#as(java.lang.Class)">as</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;Y&gt;&nbsp;type)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a new expression of the given type.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Predicate.html?is-external=true" title="class or interface in javax.persistence.criteria">Predicate</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html#in(java.util.Collection)">in</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A>&lt;?&gt;&nbsp;values)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a predicate to test whether this expression is a member of the given collection element values.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Predicate.html?is-external=true" title="class or interface in javax.persistence.criteria">Predicate</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html#in(javax.persistence.criteria.Expression...)">in</A></B>(<A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true" title="class or interface in javax.persistence.criteria">Expression</A>&lt;?&gt;...&nbsp;values)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a predicate to test whether this expression is a member of the given argument expressions.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Predicate.html?is-external=true" title="class or interface in javax.persistence.criteria">Predicate</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html#in(javax.persistence.criteria.Expression)">in</A></B>(<A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true" title="class or interface in javax.persistence.criteria">Expression</A>&lt;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A>&lt;?&gt;&gt;&nbsp;values)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a predicate to test whether this expression is a member of the given expression representing a collection.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Predicate.html?is-external=true" title="class or interface in javax.persistence.criteria">Predicate</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html#in(java.lang.Object...)">in</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>...&nbsp;values)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a predicate to test whether this expression is a member of the given argument values.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Predicate.html?is-external=true" title="class or interface in javax.persistence.criteria">Predicate</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html#isNotNull()">isNotNull</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a predicate to test whether this expression is not null.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Predicate.html?is-external=true" title="class or interface in javax.persistence.criteria">Predicate</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html#isNull()">isNull</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a predicate to test whether this expression is null.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) &nbsp;<A HREF="../../../../../org/apache/openjpa/kernel/exps/Expression.html" title="interface in org.apache.openjpa.kernel.exps">Expression</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html#toKernelExpression(org.apache.openjpa.kernel.exps.ExpressionFactory, org.apache.openjpa.persistence.criteria.CriteriaQueryImpl)">toKernelExpression</A></B>(<A HREF="../../../../../org/apache/openjpa/kernel/exps/ExpressionFactory.html" title="interface in org.apache.openjpa.kernel.exps">ExpressionFactory</A>&nbsp;factory,
<A HREF="../../../../../org/apache/openjpa/persistence/criteria/CriteriaQueryImpl.html" title="class in org.apache.openjpa.persistence.criteria">CriteriaQueryImpl</A>&lt;?&gt;&nbsp;q)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Bridge contract to convert this facade expression to a kernel expression.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) abstract &nbsp;<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/persistence/criteria/ExpressionImpl.html#toValue(org.apache.openjpa.kernel.exps.ExpressionFactory, org.apache.openjpa.persistence.criteria.CriteriaQueryImpl)">toValue</A></B>(<A HREF="../../../../../org/apache/openjpa/kernel/exps/ExpressionFactory.html" title="interface in org.apache.openjpa.kernel.exps">ExpressionFactory</A>&nbsp;factory,
<A HREF="../../../../../org/apache/openjpa/persistence/criteria/CriteriaQueryImpl.html" title="class in org.apache.openjpa.persistence.criteria">CriteriaQueryImpl</A>&lt;?&gt;&nbsp;q)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Bridge contract to convert this facade expression to a kernel value.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.apache.openjpa.persistence.criteria.SelectionImpl"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.openjpa.persistence.criteria.<A HREF="../../../../../org/apache/openjpa/persistence/criteria/SelectionImpl.html" title="class in org.apache.openjpa.persistence.criteria">SelectionImpl</A></B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/openjpa/persistence/criteria/SelectionImpl.html#acceptVisit(org.apache.openjpa.persistence.criteria.CriteriaExpressionVisitor)">acceptVisit</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/SelectionImpl.html#alias(java.lang.String)">alias</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/SelectionImpl.html#asProjection(org.apache.openjpa.persistence.criteria.AliasContext)">asProjection</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/SelectionImpl.html#assertValidName(java.lang.String)">assertValidName</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/SelectionImpl.html#asValue(org.apache.openjpa.persistence.criteria.AliasContext)">asValue</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/SelectionImpl.html#asVariable(org.apache.openjpa.persistence.criteria.AliasContext)">asVariable</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/SelectionImpl.html#getAlias()">getAlias</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/SelectionImpl.html#getCompoundSelectionItems()">getCompoundSelectionItems</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/SelectionImpl.html#getJavaType()">getJavaType</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/SelectionImpl.html#isAliased()">isAliased</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/SelectionImpl.html#isAutoAliased()">isAutoAliased</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/SelectionImpl.html#isCompoundSelection()">isCompoundSelection</A>, <A HREF="../../../../../org/apache/openjpa/persistence/criteria/SelectionImpl.html#setAutoAlias(java.lang.String)">setAutoAlias</A></CODE></TD>
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<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?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
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<TD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#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?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#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?is-external=true#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?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#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?is-external=true#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?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#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?is-external=true#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?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TH ALIGN="left"><B>Methods inherited from interface javax.persistence.criteria.<A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Selection.html?is-external=true" title="class or interface in javax.persistence.criteria">Selection</A></B></TH>
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<TD><CODE><A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Selection.html?is-external=true#alias(java.lang.String)" title="class or interface in javax.persistence.criteria">alias</A>, <A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Selection.html?is-external=true#getCompoundSelectionItems()" title="class or interface in javax.persistence.criteria">getCompoundSelectionItems</A>, <A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Selection.html?is-external=true#isCompoundSelection()" title="class or interface in javax.persistence.criteria">isCompoundSelection</A></CODE></TD>
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<TH ALIGN="left"><B>Methods inherited from interface javax.persistence.<A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/TupleElement.html?is-external=true" title="class or interface in javax.persistence">TupleElement</A></B></TH>
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<TD><CODE><A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/TupleElement.html?is-external=true#getAlias()" title="class or interface in javax.persistence">getAlias</A>, <A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/TupleElement.html?is-external=true#getJavaType()" title="class or interface in javax.persistence">getJavaType</A></CODE></TD>
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<A NAME="ExpressionImpl(java.lang.Class)"><!-- --></A><H3>
ExpressionImpl</H3>
<PRE>
public <B>ExpressionImpl</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;<A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html" title="type parameter in ExpressionImpl">X</A>&gt;&nbsp;cls)</PRE>
<DL>
<DL>
<DT><B>Parameters:</B><DD><CODE>cls</CODE> - the type of the evaluated result of the expression</DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
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<B>Method Detail</B></FONT></TH>
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</TABLE>
<A NAME="as(java.lang.Class)"><!-- --></A><H3>
as</H3>
<PRE>
public &lt;Y&gt; <A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true" title="class or interface in javax.persistence.criteria">Expression</A>&lt;Y&gt; <B>as</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;Y&gt;&nbsp;type)</PRE>
<DL>
<DD>Creates a new expression of the given type. If the given type is same as this expression's type then
returns the same instance.
May cause runtime cast failure if this expression's immutable type is not convertible to the given type.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true#as(java.lang.Class)" title="class or interface in javax.persistence.criteria">as</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true" title="class or interface in javax.persistence.criteria">Expression</A>&lt;<A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html" title="type parameter in ExpressionImpl">X</A>&gt;</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="in(java.lang.Object...)"><!-- --></A><H3>
in</H3>
<PRE>
public <A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Predicate.html?is-external=true" title="class or interface in javax.persistence.criteria">Predicate</A> <B>in</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>...&nbsp;values)</PRE>
<DL>
<DD>Create a predicate to test whether this expression is a member of the given argument values.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true#in(java.lang.Object...)" title="class or interface in javax.persistence.criteria">in</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true" title="class or interface in javax.persistence.criteria">Expression</A>&lt;<A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html" title="type parameter in ExpressionImpl">X</A>&gt;</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="in(javax.persistence.criteria.Expression...)"><!-- --></A><H3>
in</H3>
<PRE>
public <A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Predicate.html?is-external=true" title="class or interface in javax.persistence.criteria">Predicate</A> <B>in</B>(<A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true" title="class or interface in javax.persistence.criteria">Expression</A>&lt;?&gt;...&nbsp;values)</PRE>
<DL>
<DD>Create a predicate to test whether this expression is a member of the given argument expressions.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true#in(javax.persistence.criteria.Expression...)" title="class or interface in javax.persistence.criteria">in</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true" title="class or interface in javax.persistence.criteria">Expression</A>&lt;<A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html" title="type parameter in ExpressionImpl">X</A>&gt;</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="in(java.util.Collection)"><!-- --></A><H3>
in</H3>
<PRE>
public <A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Predicate.html?is-external=true" title="class or interface in javax.persistence.criteria">Predicate</A> <B>in</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A>&lt;?&gt;&nbsp;values)</PRE>
<DL>
<DD>Create a predicate to test whether this expression is a member of the given collection element values.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true#in(java.util.Collection)" title="class or interface in javax.persistence.criteria">in</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true" title="class or interface in javax.persistence.criteria">Expression</A>&lt;<A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html" title="type parameter in ExpressionImpl">X</A>&gt;</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="in(javax.persistence.criteria.Expression)"><!-- --></A><H3>
in</H3>
<PRE>
public <A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Predicate.html?is-external=true" title="class or interface in javax.persistence.criteria">Predicate</A> <B>in</B>(<A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true" title="class or interface in javax.persistence.criteria">Expression</A>&lt;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A>&lt;?&gt;&gt;&nbsp;values)</PRE>
<DL>
<DD>Create a predicate to test whether this expression is a member of the given expression representing a collection.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true#in(javax.persistence.criteria.Expression)" title="class or interface in javax.persistence.criteria">in</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true" title="class or interface in javax.persistence.criteria">Expression</A>&lt;<A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html" title="type parameter in ExpressionImpl">X</A>&gt;</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="isNotNull()"><!-- --></A><H3>
isNotNull</H3>
<PRE>
public <A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Predicate.html?is-external=true" title="class or interface in javax.persistence.criteria">Predicate</A> <B>isNotNull</B>()</PRE>
<DL>
<DD>Create a predicate to test whether this expression is not null.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true#isNotNull()" title="class or interface in javax.persistence.criteria">isNotNull</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true" title="class or interface in javax.persistence.criteria">Expression</A>&lt;<A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html" title="type parameter in ExpressionImpl">X</A>&gt;</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="isNull()"><!-- --></A><H3>
isNull</H3>
<PRE>
public <A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Predicate.html?is-external=true" title="class or interface in javax.persistence.criteria">Predicate</A> <B>isNull</B>()</PRE>
<DL>
<DD>Create a predicate to test whether this expression is null.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true#isNull()" title="class or interface in javax.persistence.criteria">isNull</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javaee/6/docs/api/javax/persistence/criteria/Expression.html?is-external=true" title="class or interface in javax.persistence.criteria">Expression</A>&lt;<A HREF="../../../../../org/apache/openjpa/persistence/criteria/ExpressionImpl.html" title="type parameter in ExpressionImpl">X</A>&gt;</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="toValue(org.apache.openjpa.kernel.exps.ExpressionFactory, org.apache.openjpa.persistence.criteria.CriteriaQueryImpl)"><!-- --></A><H3>
toValue</H3>
<PRE>
abstract <A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</A> <B>toValue</B>(<A HREF="../../../../../org/apache/openjpa/kernel/exps/ExpressionFactory.html" title="interface in org.apache.openjpa.kernel.exps">ExpressionFactory</A>&nbsp;factory,
<A HREF="../../../../../org/apache/openjpa/persistence/criteria/CriteriaQueryImpl.html" title="class in org.apache.openjpa.persistence.criteria">CriteriaQueryImpl</A>&lt;?&gt;&nbsp;q)</PRE>
<DL>
<DD>Bridge contract to convert this facade expression to a kernel value.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>factory</CODE> - creates the kernel expression<DD><CODE>q</CODE> - the query definition context of this expression
<DT><B>Returns:</B><DD>an equivalent kernel value</DL>
</DD>
</DL>
<HR>
<A NAME="toKernelExpression(org.apache.openjpa.kernel.exps.ExpressionFactory, org.apache.openjpa.persistence.criteria.CriteriaQueryImpl)"><!-- --></A><H3>
toKernelExpression</H3>
<PRE>
<A HREF="../../../../../org/apache/openjpa/kernel/exps/Expression.html" title="interface in org.apache.openjpa.kernel.exps">Expression</A> <B>toKernelExpression</B>(<A HREF="../../../../../org/apache/openjpa/kernel/exps/ExpressionFactory.html" title="interface in org.apache.openjpa.kernel.exps">ExpressionFactory</A>&nbsp;factory,
<A HREF="../../../../../org/apache/openjpa/persistence/criteria/CriteriaQueryImpl.html" title="class in org.apache.openjpa.persistence.criteria">CriteriaQueryImpl</A>&lt;?&gt;&nbsp;q)</PRE>
<DL>
<DD>Bridge contract to convert this facade expression to a kernel expression.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>factory</CODE> - creates the kernel expression<DD><CODE>q</CODE> - the query definition context of this expression
<DT><B>Returns:</B><DD>an equivalent kernel expression</DL>
</DD>
</DL>
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