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| <H2> |
| Package org.apache.openjpa.kernel.exps |
| </H2> |
| <strong>OpenJPA Expression Tree</strong> |
| <P> |
| <B>See:</B> |
| <BR> |
| <A HREF="#package_description"><B>Description</B></A> |
| <P> |
| |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Interface Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/AggregateListener.html" title="interface in org.apache.openjpa.kernel.exps">AggregateListener</A></B></TD> |
| <TD>An aggregate listener aggregates data produced by an ExpressionQuery.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Arguments.html" title="interface in org.apache.openjpa.kernel.exps">Arguments</A></B></TD> |
| <TD>Multiple arguments to a function call.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Constant.html" title="interface in org.apache.openjpa.kernel.exps">Constant</A></B></TD> |
| <TD>Interface for any query constant value.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Expression.html" title="interface in org.apache.openjpa.kernel.exps">Expression</A></B></TD> |
| <TD>Interface for a set of conditions that must be met for the query |
| to be true.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/ExpressionFactory.html" title="interface in org.apache.openjpa.kernel.exps">ExpressionFactory</A></B></TD> |
| <TD>The ExpressionFactory must be implemented by a particular runtime |
| to form <A HREF="../../../../../org/apache/openjpa/kernel/exps/Expression.html" title="interface in org.apache.openjpa.kernel.exps"><CODE>Expression</CODE></A>s in its native query language.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/ExpressionParser.html" title="interface in org.apache.openjpa.kernel.exps">ExpressionParser</A></B></TD> |
| <TD>Parser for query languages that will be used by a <CODE>ExpressionQuery</CODE>.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/ExpressionVisitor.html" title="interface in org.apache.openjpa.kernel.exps">ExpressionVisitor</A></B></TD> |
| <TD>Visits nodes of a query expression tree.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/FilterListener.html" title="interface in org.apache.openjpa.kernel.exps">FilterListener</A></B></TD> |
| <TD>A filter listener extends expression filters with custom functionality.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Literal.html" title="interface in org.apache.openjpa.kernel.exps">Literal</A></B></TD> |
| <TD>Interface for any literal value.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Parameter.html" title="interface in org.apache.openjpa.kernel.exps">Parameter</A></B></TD> |
| <TD>A query parameter.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Path.html" title="interface in org.apache.openjpa.kernel.exps">Path</A></B></TD> |
| <TD>A path represents a traversal into fields of a candidate object.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Resolver.html" title="interface in org.apache.openjpa.kernel.exps">Resolver</A></B></TD> |
| <TD>A Resolver is used to resolve listeners and class or entity names |
| that appear in a query.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Subquery.html" title="interface in org.apache.openjpa.kernel.exps">Subquery</A></B></TD> |
| <TD>Query value representing a subquery.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</A></B></TD> |
| <TD>Interface for any non-operator in a query filter, including |
| constants, variables, and object fields.</TD> |
| </TR> |
| </TABLE> |
| |
| |
| <P> |
| |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Class Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html" title="class in org.apache.openjpa.kernel.exps">AbstractExpressionBuilder</A></B></TD> |
| <TD>Abstract base class to help build expressions.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionVisitor.html" title="class in org.apache.openjpa.kernel.exps">AbstractExpressionVisitor</A></B></TD> |
| <TD>No-op abstract visitor meant for easy extension.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/InMemoryExpressionFactory.html" title="class in org.apache.openjpa.kernel.exps">InMemoryExpressionFactory</A></B></TD> |
| <TD>Expression factory implementation that can be used to execute queries |
| in memory.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/QueryExpressions.html" title="class in org.apache.openjpa.kernel.exps">QueryExpressions</A></B></TD> |
| <TD>Struct to hold the state of a parsed expression query.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/StringContains.html" title="class in org.apache.openjpa.kernel.exps">StringContains</A></B></TD> |
| <TD><B>Deprecated.</B> <I>Use <code>matches()</code> instead.</I></TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Val.html" title="class in org.apache.openjpa.kernel.exps">Val</A></B></TD> |
| <TD>An in-memory representation of a <A HREF="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps"><CODE>Value</CODE></A>.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/WildcardMatch.html" title="class in org.apache.openjpa.kernel.exps">WildcardMatch</A></B></TD> |
| <TD><B>Deprecated.</B> <I>Use <code>matches()</code> instead.</I></TD> |
| </TR> |
| </TABLE> |
| |
| |
| <P> |
| <A NAME="package_description"><!-- --></A><H2> |
| Package org.apache.openjpa.kernel.exps Description |
| </H2> |
| |
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| <p><strong>OpenJPA Expression Tree</strong></p> |
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