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| org.apache.openjpa.kernel.exps</FONT> |
| <BR> |
| Class BoundVariable</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/kernel/exps/Val.html" title="class in org.apache.openjpa.kernel.exps">org.apache.openjpa.kernel.exps.Val</A> |
| <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.openjpa.kernel.exps.BoundVariable</B> |
| </PRE> |
| <DL> |
| <DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</A></DD> |
| </DL> |
| <HR> |
| <DL> |
| <DT><PRE> class <B>BoundVariable</B><DT>extends <A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html" title="class in org.apache.openjpa.kernel.exps">Val</A></DL> |
| </PRE> |
| |
| <P> |
| Represents a bound variable. Variables are aliased to the |
| collection that is stated to contain them in the query. |
| When the query is evaluated, expressions containing variables will be |
| executed once for every element in the collection. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Author:</B></DT> |
| <DD>Abe White</DD> |
| </DL> |
| <HR> |
| |
| <P> |
| |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| |
| <A NAME="constructor_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>Constructor Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/BoundVariable.html#BoundVariable(java.lang.Class)">BoundVariable</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> type)</CODE> |
| |
| <BR> |
| Constructor.</TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
| |
| <A NAME="method_summary"><!-- --></A> |
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| <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/BoundVariable.html#castTo(java.lang.Class)">castTo</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> type)</CODE> |
| |
| <BR> |
| Cast this value to the given type.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected <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></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/BoundVariable.html#eval(java.lang.Object, java.lang.Object, org.apache.openjpa.kernel.StoreContext, java.lang.Object[])">eval</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> candidate, |
| <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> orig, |
| <A HREF="../../../../../org/apache/openjpa/kernel/StoreContext.html" title="interface in org.apache.openjpa.kernel">StoreContext</A> ctx, |
| <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>[] params)</CODE> |
| |
| <BR> |
| Return this value for the given candidate.</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/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/BoundVariable.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/BoundVariable.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> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/BoundVariable.html#setImplicitType(java.lang.Class)">setImplicitType</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> 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> boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/BoundVariable.html#setValue(java.lang.Object)">setValue</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> value)</CODE> |
| |
| <BR> |
| Set the value this variable should take for the current iteration.</TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_org.apache.openjpa.kernel.exps.Val"><!-- --></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.kernel.exps.<A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html" title="class in org.apache.openjpa.kernel.exps">Val</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html#acceptVisit(org.apache.openjpa.kernel.exps.ExpressionVisitor)">acceptVisit</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html#eval(java.util.Collection, java.lang.Object, org.apache.openjpa.kernel.StoreContext, java.lang.Object[])">eval</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html#evaluate(java.util.Collection, java.lang.Object, org.apache.openjpa.kernel.StoreContext, java.lang.Object[])">evaluate</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html#evaluate(java.lang.Object, java.lang.Object, org.apache.openjpa.kernel.StoreContext, java.lang.Object[])">evaluate</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html#getAlias()">getAlias</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html#getMetaData()">getMetaData</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html#getName()">getName</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html#getPath()">getPath</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html#getSelectAs()">getSelectAs</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html#isAggregate()">isAggregate</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html#isXPath()">isXPath</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html#setAlias(java.lang.String)">setAlias</A>, <A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html#setMetaData(org.apache.openjpa.meta.ClassMetaData)">setMetaData</A></CODE></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?is-external=true" 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?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> |
| </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="BoundVariable(java.lang.Class)"><!-- --></A><H3> |
| BoundVariable</H3> |
| <PRE> |
| public <B>BoundVariable</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> type)</PRE> |
| <DL> |
| <DD>Constructor. Provide variable name and type. |
| <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="setValue(java.lang.Object)"><!-- --></A><H3> |
| setValue</H3> |
| <PRE> |
| public boolean <B>setValue</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> value)</PRE> |
| <DL> |
| <DD>Set the value this variable should take for the current iteration. |
| <P> |
| <DD><DL> |
| |
| <DT><B>Returns:</B><DD>false if the type is incompatible with the variable's |
| declared type</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="isVariable()"><!-- --></A><H3> |
| isVariable</H3> |
| <PRE> |
| public boolean <B>isVariable</B>()</PRE> |
| <DL> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html#isVariable()">Value</A></CODE></B></DD> |
| <DD>Return true if this value is a variable. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html#isVariable()">isVariable</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html#isVariable()">isVariable</A></CODE> in class <CODE><A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html" title="class in org.apache.openjpa.kernel.exps">Val</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getType()"><!-- --></A><H3> |
| getType</H3> |
| <PRE> |
| public <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> <B>getType</B>()</PRE> |
| <DL> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html#getType()">Value</A></CODE></B></DD> |
| <DD>Return the expected type for this value, or <code>Object</code> if |
| the type is unknown. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="setImplicitType(java.lang.Class)"><!-- --></A><H3> |
| setImplicitType</H3> |
| <PRE> |
| public void <B>setImplicitType</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> type)</PRE> |
| <DL> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html#setImplicitType(java.lang.Class)">Value</A></CODE></B></DD> |
| <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>Value.getType()</CODE></A>. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="castTo(java.lang.Class)"><!-- --></A><H3> |
| castTo</H3> |
| <PRE> |
| public void <B>castTo</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> type)</PRE> |
| <DL> |
| <DD>Cast this value to the given type. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="eval(java.lang.Object, java.lang.Object, org.apache.openjpa.kernel.StoreContext, java.lang.Object[])"><!-- --></A><H3> |
| eval</H3> |
| <PRE> |
| protected <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>eval</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> candidate, |
| <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> orig, |
| <A HREF="../../../../../org/apache/openjpa/kernel/StoreContext.html" title="interface in org.apache.openjpa.kernel">StoreContext</A> ctx, |
| <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>[] params)</PRE> |
| <DL> |
| <DD><B>Description copied from class: <CODE><A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html#eval(java.lang.Object, java.lang.Object, org.apache.openjpa.kernel.StoreContext, java.lang.Object[])">Val</A></CODE></B></DD> |
| <DD>Return this value for the given candidate. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html#eval(java.lang.Object, java.lang.Object, org.apache.openjpa.kernel.StoreContext, java.lang.Object[])">eval</A></CODE> in class <CODE><A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html" title="class in org.apache.openjpa.kernel.exps">Val</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <!-- ========= END OF CLASS DATA ========= --> |
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