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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/Abs.html" title="class in org.apache.openjpa.kernel.exps">Abs</A></B></TD> |
| <TD>Take the absolute value of a number.</TD> |
| </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/Add.html" title="class in org.apache.openjpa.kernel.exps">Add</A></B></TD> |
| <TD>Value produced by two values being added together.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Aggregate.html" title="class in org.apache.openjpa.kernel.exps">Aggregate</A></B></TD> |
| <TD>A value produced from evaluating a result aggregate.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/AggregateVal.html" title="class in org.apache.openjpa.kernel.exps">AggregateVal</A></B></TD> |
| <TD>An aggregate of some value.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/All.html" title="class in org.apache.openjpa.kernel.exps">All</A></B></TD> |
| <TD>In-memory All implementation.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/AndExpression.html" title="class in org.apache.openjpa.kernel.exps">AndExpression</A></B></TD> |
| <TD>An expression that AND's two others together.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Any.html" title="class in org.apache.openjpa.kernel.exps">Any</A></B></TD> |
| <TD>In-memory Any implementation.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Args.html" title="class in org.apache.openjpa.kernel.exps">Args</A></B></TD> |
| <TD>A list of arguments to a multi-argument function.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Avg.html" title="class in org.apache.openjpa.kernel.exps">Avg</A></B></TD> |
| <TD>Average values.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/BindKeyVariableExpression.html" title="class in org.apache.openjpa.kernel.exps">BindKeyVariableExpression</A></B></TD> |
| <TD><A HREF="../../../../../org/apache/openjpa/kernel/exps/BindVariableExpression.html" title="class in org.apache.openjpa.kernel.exps"><CODE>BindVariableExpression</CODE></A> for map key sets.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/BindValueVariableExpression.html" title="class in org.apache.openjpa.kernel.exps">BindValueVariableExpression</A></B></TD> |
| <TD><A HREF="../../../../../org/apache/openjpa/kernel/exps/BindVariableExpression.html" title="class in org.apache.openjpa.kernel.exps"><CODE>BindVariableExpression</CODE></A> for map value collections.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/BindVariableAndExpression.html" title="class in org.apache.openjpa.kernel.exps">BindVariableAndExpression</A></B></TD> |
| <TD>Any contains(var) expression must be followed by at least one |
| AND clause using the variable 'var'.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/BindVariableExpression.html" title="class in org.apache.openjpa.kernel.exps">BindVariableExpression</A></B></TD> |
| <TD>Binds a variable to a collection.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/BoundVariable.html" title="class in org.apache.openjpa.kernel.exps">BoundVariable</A></B></TD> |
| <TD>Represents a bound variable.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/CandidatePath.html" title="class in org.apache.openjpa.kernel.exps">CandidatePath</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/CandidatePath.Traversal.html" title="class in org.apache.openjpa.kernel.exps">CandidatePath.Traversal</A></B></TD> |
| <TD>Represents a traversal through a field.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Cast.html" title="class in org.apache.openjpa.kernel.exps">Cast</A></B></TD> |
| <TD>Represents a cast.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Coalesce.html" title="class in org.apache.openjpa.kernel.exps">Coalesce</A></B></TD> |
| <TD>An in-memory representation of a coalesce expression</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/CollectionParam.html" title="class in org.apache.openjpa.kernel.exps">CollectionParam</A></B></TD> |
| <TD>Represents a collection valued input parameter.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/CompareExpression.html" title="class in org.apache.openjpa.kernel.exps">CompareExpression</A></B></TD> |
| <TD>Expression that compares two others.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Concat.html" title="class in org.apache.openjpa.kernel.exps">Concat</A></B></TD> |
| <TD>Concatenate two strings together.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/ContainsExpression.html" title="class in org.apache.openjpa.kernel.exps">ContainsExpression</A></B></TD> |
| <TD>Tests that a Collection contains a value.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/ContainsKeyExpression.html" title="class in org.apache.openjpa.kernel.exps">ContainsKeyExpression</A></B></TD> |
| <TD>Tests that a Map key set contains a value.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/ContainsValueExpression.html" title="class in org.apache.openjpa.kernel.exps">ContainsValueExpression</A></B></TD> |
| <TD>Tests that a Map value collection contains a value.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Context.html" title="class in org.apache.openjpa.kernel.exps">Context</A></B></TD> |
| <TD>JPQL / Criteria Query Context</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Count.html" title="class in org.apache.openjpa.kernel.exps">Count</A></B></TD> |
| <TD>Count non-null values.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/CurrentDate.html" title="class in org.apache.openjpa.kernel.exps">CurrentDate</A></B></TD> |
| <TD>Represents the current date.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Distinct.html" title="class in org.apache.openjpa.kernel.exps">Distinct</A></B></TD> |
| <TD>A distinct set of the specified values.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Divide.html" title="class in org.apache.openjpa.kernel.exps">Divide</A></B></TD> |
| <TD>Value produced by one value being divided by another.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/EndsWithExpression.html" title="class in org.apache.openjpa.kernel.exps">EndsWithExpression</A></B></TD> |
| <TD>Expression that compares two others.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/EqualExpression.html" title="class in org.apache.openjpa.kernel.exps">EqualExpression</A></B></TD> |
| <TD>Expression that compares two others.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Exp.html" title="class in org.apache.openjpa.kernel.exps">Exp</A></B></TD> |
| <TD>An in-memory representation of an <A HREF="../../../../../org/apache/openjpa/kernel/exps/Expression.html" title="interface in org.apache.openjpa.kernel.exps"><CODE>Expression</CODE></A>.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Extension.html" title="class in org.apache.openjpa.kernel.exps">Extension</A></B></TD> |
| <TD>A value produced from evaluating a custom extension.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/GeneralCase.html" title="class in org.apache.openjpa.kernel.exps">GeneralCase</A></B></TD> |
| <TD>An in-memory representation of a general case expression</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/GetMapValue.html" title="class in org.apache.openjpa.kernel.exps">GetMapValue</A></B></TD> |
| <TD>Returns the value of the specified key in a Map.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/GetObjectId.html" title="class in org.apache.openjpa.kernel.exps">GetObjectId</A></B></TD> |
| <TD>Get the oid of an object.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/GreaterThanEqualExpression.html" title="class in org.apache.openjpa.kernel.exps">GreaterThanEqualExpression</A></B></TD> |
| <TD>Expression that compares two others.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/GreaterThanExpression.html" title="class in org.apache.openjpa.kernel.exps">GreaterThanExpression</A></B></TD> |
| <TD>Expression that compares two others.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Index.html" title="class in org.apache.openjpa.kernel.exps">Index</A></B></TD> |
| <TD>Returns the index of a value within a collection/map.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/IndexOf.html" title="class in org.apache.openjpa.kernel.exps">IndexOf</A></B></TD> |
| <TD>Find the index of one string within another.</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/InstanceofExpression.html" title="class in org.apache.openjpa.kernel.exps">InstanceofExpression</A></B></TD> |
| <TD>Tests whether a value is an instance of a class.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/IsEmptyExpression.html" title="class in org.apache.openjpa.kernel.exps">IsEmptyExpression</A></B></TD> |
| <TD>Expression to test for an empty Collection.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/LessThanEqualExpression.html" title="class in org.apache.openjpa.kernel.exps">LessThanEqualExpression</A></B></TD> |
| <TD>Expression that compares two others.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/LessThanExpression.html" title="class in org.apache.openjpa.kernel.exps">LessThanExpression</A></B></TD> |
| <TD>Expression that compares two others.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Lit.html" title="class in org.apache.openjpa.kernel.exps">Lit</A></B></TD> |
| <TD>Represents a literal.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/MatchesExpression.html" title="class in org.apache.openjpa.kernel.exps">MatchesExpression</A></B></TD> |
| <TD>Expression that compares two others.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/MathVal.html" title="class in org.apache.openjpa.kernel.exps">MathVal</A></B></TD> |
| <TD>Value produced by a mathematical operation on two values.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Max.html" title="class in org.apache.openjpa.kernel.exps">Max</A></B></TD> |
| <TD>Find the max.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Min.html" title="class in org.apache.openjpa.kernel.exps">Min</A></B></TD> |
| <TD>Find the min.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Mod.html" title="class in org.apache.openjpa.kernel.exps">Mod</A></B></TD> |
| <TD>Value produced by one value being mod'd by another.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Multiply.html" title="class in org.apache.openjpa.kernel.exps">Multiply</A></B></TD> |
| <TD>Value produced by two values being multiplied together.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/NotEqualExpression.html" title="class in org.apache.openjpa.kernel.exps">NotEqualExpression</A></B></TD> |
| <TD>Expression that compares two others.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/NotExpression.html" title="class in org.apache.openjpa.kernel.exps">NotExpression</A></B></TD> |
| <TD>An expression that NOT's another.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Null.html" title="class in org.apache.openjpa.kernel.exps">Null</A></B></TD> |
| <TD>Represents the null constant.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/NullIf.html" title="class in org.apache.openjpa.kernel.exps">NullIf</A></B></TD> |
| <TD>An in-memory representation of a nullif expression</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/OrExpression.html" title="class in org.apache.openjpa.kernel.exps">OrExpression</A></B></TD> |
| <TD>An expression that OR's two others together.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Param.html" title="class in org.apache.openjpa.kernel.exps">Param</A></B></TD> |
| <TD>Represents a parameter.</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/SimpleCase.html" title="class in org.apache.openjpa.kernel.exps">SimpleCase</A></B></TD> |
| <TD>An in-memory representation of a simple case expression</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Size.html" title="class in org.apache.openjpa.kernel.exps">Size</A></B></TD> |
| <TD>Returns the count of a collection.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Sqrt.html" title="class in org.apache.openjpa.kernel.exps">Sqrt</A></B></TD> |
| <TD>Take the square root of a number.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/StartsWithExpression.html" title="class in org.apache.openjpa.kernel.exps">StartsWithExpression</A></B></TD> |
| <TD>Expression that compares two others.</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/StringLength.html" title="class in org.apache.openjpa.kernel.exps">StringLength</A></B></TD> |
| <TD>Returns the number of characters in the String.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/SubQ.html" title="class in org.apache.openjpa.kernel.exps">SubQ</A></B></TD> |
| <TD>An in-memory representation of a <A HREF="../../../../../org/apache/openjpa/kernel/exps/Subquery.html" title="interface in org.apache.openjpa.kernel.exps"><CODE>Subquery</CODE></A>.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Substring.html" title="class in org.apache.openjpa.kernel.exps">Substring</A></B></TD> |
| <TD>Take the substring of a string.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Subtract.html" title="class in org.apache.openjpa.kernel.exps">Subtract</A></B></TD> |
| <TD>Value produced by one value being subtracted from another.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Sum.html" title="class in org.apache.openjpa.kernel.exps">Sum</A></B></TD> |
| <TD>Sum values.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/This.html" title="class in org.apache.openjpa.kernel.exps">This</A></B></TD> |
| <TD>Represents the 'this' ptr in a filter.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/ToLowerCase.html" title="class in org.apache.openjpa.kernel.exps">ToLowerCase</A></B></TD> |
| <TD>Lower-case a string.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/ToUpperCase.html" title="class in org.apache.openjpa.kernel.exps">ToUpperCase</A></B></TD> |
| <TD>Upper-case a string.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Trim.html" title="class in org.apache.openjpa.kernel.exps">Trim</A></B></TD> |
| <TD>Trims leading, trailing, or both charactes from a String.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/Type.html" title="class in org.apache.openjpa.kernel.exps">Type</A></B></TD> |
| <TD>Returns the entity type.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/TypeLit.html" title="class in org.apache.openjpa.kernel.exps">TypeLit</A></B></TD> |
| <TD>Represents a type literal.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/UnaryMathVal.html" title="class in org.apache.openjpa.kernel.exps">UnaryMathVal</A></B></TD> |
| <TD>Value produced by a mathematical operation on one value.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/UnboundVariable.html" title="class in org.apache.openjpa.kernel.exps">UnboundVariable</A></B></TD> |
| <TD>Represents an unbound variable.</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/ValExpression.html" title="class in org.apache.openjpa.kernel.exps">ValExpression</A></B></TD> |
| <TD>Boolean value used as an expression.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/ValuePath.html" title="class in org.apache.openjpa.kernel.exps">ValuePath</A></B></TD> |
| <TD>Represents a path that begins with a variable or parameter.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/WhenCondition.html" title="class in org.apache.openjpa.kernel.exps">WhenCondition</A></B></TD> |
| <TD> </TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD WIDTH="15%"><B><A HREF="../../../../../org/apache/openjpa/kernel/exps/WhenScalar.html" title="class in org.apache.openjpa.kernel.exps">WhenScalar</A></B></TD> |
| <TD> </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> |
| |
| <P> |
| <p><strong>OpenJPA Expression Tree</strong></p> |
| <P> |
| |
| <P> |
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