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apache / openjpa-site / f4f8b894b02554a0a851bbf380ef41d45c445062 / . / content / builds / 2.1.1 / apidocs / org / apache / openjpa / jdbc / kernel / exps / FilterValueImpl.html
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FilterValueImpl (OpenJPA Parent POM 2.1.1 API)
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org.apache.openjpa.jdbc.kernel.exps</FONT>
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Class FilterValueImpl</H2>
<PRE>
<A HREF="http://java.sun.com/j2se/6/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 "><B>org.apache.openjpa.jdbc.kernel.exps.FilterValueImpl</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></DD>
</DL>
<HR>
<DL>
<DT><PRE> class <B>FilterValueImpl</B><DT>extends <A HREF="http://java.sun.com/j2se/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></DL>
</PRE>
<P>
Implementation of <A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps"><CODE>FilterValue</CODE></A> that wraps a <A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/Val.html" title="interface in org.apache.openjpa.jdbc.kernel.exps"><CODE>Val</CODE></A>.
<P>
<P>
<DL>
<DT><B>Author:</B></DT>
<DD>Abe White</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/jdbc/kernel/exps/FilterValueImpl.html#FilterValueImpl(org.apache.openjpa.jdbc.sql.Select, org.apache.openjpa.jdbc.kernel.exps.ExpContext, org.apache.openjpa.jdbc.kernel.exps.ExpState, org.apache.openjpa.jdbc.kernel.exps.Val)">FilterValueImpl</A></B>(<A HREF="../../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</A>&nbsp;sel,
<A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/ExpContext.html" title="class in org.apache.openjpa.jdbc.kernel.exps">ExpContext</A>&nbsp;ctx,
<A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/ExpState.html" title="class in org.apache.openjpa.jdbc.kernel.exps">ExpState</A>&nbsp;state,
<A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/Val.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">Val</A>&nbsp;val)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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&nbsp;
<!-- ========== METHOD SUMMARY =========== -->
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<B>Method Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValueImpl.html#appendTo(org.apache.openjpa.jdbc.sql.SQLBuffer)">appendTo</A></B>(<A HREF="../../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</A>&nbsp;buf)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Append the first SQL element for this value to the given buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValueImpl.html#appendTo(org.apache.openjpa.jdbc.sql.SQLBuffer, int)">appendTo</A></B>(<A HREF="../../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</A>&nbsp;buf,
int&nbsp;index)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Append the <code>index</code>th SQL element for this value to the
given buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValueImpl.html#getClassMapping()">getClassMapping</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If this is a path to a persistent object, return its class mapping,
else return 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/j2se/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/jdbc/kernel/exps/FilterValueImpl.html#getColumnAlias(org.apache.openjpa.jdbc.schema.Column)">getColumnAlias</A></B>(<A HREF="../../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</A>&nbsp;col)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the alias to use for the given column (this includes the table
alias prefix, if any).</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/j2se/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/jdbc/kernel/exps/FilterValueImpl.html#getColumnAlias(java.lang.String, org.apache.openjpa.jdbc.schema.Table)">getColumnAlias</A></B>(<A HREF="http://java.sun.com/j2se/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;col,
<A HREF="../../../../../../org/apache/openjpa/jdbc/schema/Table.html" title="class in org.apache.openjpa.jdbc.schema">Table</A>&nbsp;table)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the alias to use for the given column (this includes the table
alias prefix, if any).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../../org/apache/openjpa/jdbc/meta/FieldMapping.html" title="class in org.apache.openjpa.jdbc.meta">FieldMapping</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValueImpl.html#getFieldMapping()">getFieldMapping</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If this is a path to a persistent field, return its mapping, else
return 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/j2se/6/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/jdbc/kernel/exps/FilterValueImpl.html#getSQLValue()">getSQLValue</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If this is a constant, returns its value as it would be represented
in the database in this context, else return 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/j2se/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/jdbc/kernel/exps/FilterValueImpl.html#getType()">getType</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the expected type of this value.</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/j2se/6/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/jdbc/kernel/exps/FilterValueImpl.html#getValue()">getValue</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If this is a constant, return its value, else return null.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../../org/apache/openjpa/meta/XMLMetaData.html" title="interface in org.apache.openjpa.meta">XMLMetaData</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValueImpl.html#getXmlMapping()">getXmlMapping</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If this is an XPath, return XML mapping metadata,
else return null;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/PCPath.html" title="class in org.apache.openjpa.jdbc.kernel.exps">PCPath</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValueImpl.html#getXPath()">getXPath</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If this is an XPath, return it,
else return null;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValueImpl.html#isConstant()">isConstant</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if this value represents a literal or parameter.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValueImpl.html#isPath()">isPath</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if this value represents a persistent field traversal,
such as 'this', 'address.street', or 'projectVariable.title'.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValueImpl.html#length()">length</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the number of SQL elements in this value.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValueImpl.html#requiresCast()">requiresCast</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return true if CAST is required for this filter value
else return false.</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/j2se/6/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/jdbc/kernel/exps/FilterValueImpl.html#toDataStoreValue(java.lang.Object)">toDataStoreValue</A></B>(<A HREF="http://java.sun.com/j2se/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>&nbsp;val)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Transform the given value into its datastore equivalent.</TD>
</TR>
</TABLE>
&nbsp;<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/6/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/6/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/6/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/6/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/6/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/6/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/6/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/6/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/6/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/6/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/6/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/6/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>
&nbsp;
<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="FilterValueImpl(org.apache.openjpa.jdbc.sql.Select, org.apache.openjpa.jdbc.kernel.exps.ExpContext, org.apache.openjpa.jdbc.kernel.exps.ExpState, org.apache.openjpa.jdbc.kernel.exps.Val)"><!-- --></A><H3>
FilterValueImpl</H3>
<PRE>
public <B>FilterValueImpl</B>(<A HREF="../../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</A>&nbsp;sel,
<A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/ExpContext.html" title="class in org.apache.openjpa.jdbc.kernel.exps">ExpContext</A>&nbsp;ctx,
<A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/ExpState.html" title="class in org.apache.openjpa.jdbc.kernel.exps">ExpState</A>&nbsp;state,
<A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/Val.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">Val</A>&nbsp;val)</PRE>
<DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
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<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>
public <A HREF="http://java.sun.com/j2se/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><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getType()">FilterValue</A></CODE></B></DD>
<DD>Return the expected type of this value.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getType()">getType</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="length()"><!-- --></A><H3>
length</H3>
<PRE>
public int <B>length</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#length()">FilterValue</A></CODE></B></DD>
<DD>Return the number of SQL elements in this value. Usually 1.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#length()">length</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="appendTo(org.apache.openjpa.jdbc.sql.SQLBuffer)"><!-- --></A><H3>
appendTo</H3>
<PRE>
public void <B>appendTo</B>(<A HREF="../../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</A>&nbsp;buf)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#appendTo(org.apache.openjpa.jdbc.sql.SQLBuffer)">FilterValue</A></CODE></B></DD>
<DD>Append the first SQL element for this value to the given buffer.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#appendTo(org.apache.openjpa.jdbc.sql.SQLBuffer)">appendTo</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="appendTo(org.apache.openjpa.jdbc.sql.SQLBuffer, int)"><!-- --></A><H3>
appendTo</H3>
<PRE>
public void <B>appendTo</B>(<A HREF="../../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</A>&nbsp;buf,
int&nbsp;index)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#appendTo(org.apache.openjpa.jdbc.sql.SQLBuffer, int)">FilterValue</A></CODE></B></DD>
<DD>Append the <code>index</code>th SQL element for this value to the
given buffer.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#appendTo(org.apache.openjpa.jdbc.sql.SQLBuffer, int)">appendTo</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getColumnAlias(org.apache.openjpa.jdbc.schema.Column)"><!-- --></A><H3>
getColumnAlias</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getColumnAlias</B>(<A HREF="../../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</A>&nbsp;col)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getColumnAlias(org.apache.openjpa.jdbc.schema.Column)">FilterValue</A></CODE></B></DD>
<DD>Return the alias to use for the given column (this includes the table
alias prefix, if any).
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getColumnAlias(org.apache.openjpa.jdbc.schema.Column)">getColumnAlias</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getColumnAlias(java.lang.String, org.apache.openjpa.jdbc.schema.Table)"><!-- --></A><H3>
getColumnAlias</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getColumnAlias</B>(<A HREF="http://java.sun.com/j2se/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;col,
<A HREF="../../../../../../org/apache/openjpa/jdbc/schema/Table.html" title="class in org.apache.openjpa.jdbc.schema">Table</A>&nbsp;table)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getColumnAlias(java.lang.String, org.apache.openjpa.jdbc.schema.Table)">FilterValue</A></CODE></B></DD>
<DD>Return the alias to use for the given column (this includes the table
alias prefix, if any).
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getColumnAlias(java.lang.String, org.apache.openjpa.jdbc.schema.Table)">getColumnAlias</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="toDataStoreValue(java.lang.Object)"><!-- --></A><H3>
toDataStoreValue</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> <B>toDataStoreValue</B>(<A HREF="http://java.sun.com/j2se/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>&nbsp;val)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#toDataStoreValue(java.lang.Object)">FilterValue</A></CODE></B></DD>
<DD>Transform the given value into its datastore equivalent.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#toDataStoreValue(java.lang.Object)">toDataStoreValue</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="isConstant()"><!-- --></A><H3>
isConstant</H3>
<PRE>
public boolean <B>isConstant</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#isConstant()">FilterValue</A></CODE></B></DD>
<DD>Return true if this value represents a literal or parameter.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#isConstant()">isConstant</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getValue()"><!-- --></A><H3>
getValue</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> <B>getValue</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getValue()">FilterValue</A></CODE></B></DD>
<DD>If this is a constant, return its value, else return null.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getValue()">getValue</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getSQLValue()"><!-- --></A><H3>
getSQLValue</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> <B>getSQLValue</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getSQLValue()">FilterValue</A></CODE></B></DD>
<DD>If this is a constant, returns its value as it would be represented
in the database in this context, else return null.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getSQLValue()">getSQLValue</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="isPath()"><!-- --></A><H3>
isPath</H3>
<PRE>
public boolean <B>isPath</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#isPath()">FilterValue</A></CODE></B></DD>
<DD>Return true if this value represents a persistent field traversal,
such as 'this', 'address.street', or 'projectVariable.title'.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#isPath()">isPath</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getClassMapping()"><!-- --></A><H3>
getClassMapping</H3>
<PRE>
public <A HREF="../../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</A> <B>getClassMapping</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getClassMapping()">FilterValue</A></CODE></B></DD>
<DD>If this is a path to a persistent object, return its class mapping,
else return null.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getClassMapping()">getClassMapping</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getFieldMapping()"><!-- --></A><H3>
getFieldMapping</H3>
<PRE>
public <A HREF="../../../../../../org/apache/openjpa/jdbc/meta/FieldMapping.html" title="class in org.apache.openjpa.jdbc.meta">FieldMapping</A> <B>getFieldMapping</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getFieldMapping()">FilterValue</A></CODE></B></DD>
<DD>If this is a path to a persistent field, return its mapping, else
return null.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getFieldMapping()">getFieldMapping</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getXPath()"><!-- --></A><H3>
getXPath</H3>
<PRE>
public <A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/PCPath.html" title="class in org.apache.openjpa.jdbc.kernel.exps">PCPath</A> <B>getXPath</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getXPath()">FilterValue</A></CODE></B></DD>
<DD>If this is an XPath, return it,
else return null;
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getXPath()">getXPath</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getXmlMapping()"><!-- --></A><H3>
getXmlMapping</H3>
<PRE>
public <A HREF="../../../../../../org/apache/openjpa/meta/XMLMetaData.html" title="interface in org.apache.openjpa.meta">XMLMetaData</A> <B>getXmlMapping</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getXmlMapping()">FilterValue</A></CODE></B></DD>
<DD>If this is an XPath, return XML mapping metadata,
else return null;
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#getXmlMapping()">getXmlMapping</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="requiresCast()"><!-- --></A><H3>
requiresCast</H3>
<PRE>
public boolean <B>requiresCast</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#requiresCast()">FilterValue</A></CODE></B></DD>
<DD>return true if CAST is required for this filter value
else return false.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html#requiresCast()">requiresCast</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/openjpa/jdbc/kernel/exps/FilterValue.html" title="interface in org.apache.openjpa.jdbc.kernel.exps">FilterValue</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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