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| <h1 title="Package" class="title">Package org.apache.openjpa.kernel.exps</h1> |
| <div class="docSummary"> |
| <div class="block"><strong>OpenJPA Expression Tree</strong></div> |
| </div> |
| <p>See: <a href="#package_description">Description</a></p> |
| </div> |
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| <ul class="blockList"> |
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| <table class="packageSummary" border="0" cellpadding="3" cellspacing="0" summary="Interface Summary table, listing interfaces, and an explanation"> |
| <caption><span>Interface Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Interface</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/AggregateListener.html" title="interface in org.apache.openjpa.kernel.exps">AggregateListener</a></td> |
| <td class="colLast"> |
| <div class="block">An aggregate listener aggregates data produced by an ExpressionQuery.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/Arguments.html" title="interface in org.apache.openjpa.kernel.exps">Arguments</a></td> |
| <td class="colLast"> |
| <div class="block">Multiple arguments to a function call.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/Constant.html" title="interface in org.apache.openjpa.kernel.exps">Constant</a></td> |
| <td class="colLast"> |
| <div class="block">Interface for any query constant value.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/Expression.html" title="interface in org.apache.openjpa.kernel.exps">Expression</a></td> |
| <td class="colLast"> |
| <div class="block">Interface for a set of conditions that must be met for the query |
| to be true.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/ExpressionFactory.html" title="interface in org.apache.openjpa.kernel.exps">ExpressionFactory</a></td> |
| <td class="colLast"> |
| <div class="block">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.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/ExpressionParser.html" title="interface in org.apache.openjpa.kernel.exps">ExpressionParser</a></td> |
| <td class="colLast"> |
| <div class="block">Parser for query languages that will be used by a <code>ExpressionQuery</code>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/ExpressionVisitor.html" title="interface in org.apache.openjpa.kernel.exps">ExpressionVisitor</a></td> |
| <td class="colLast"> |
| <div class="block">Visits nodes of a query expression tree.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/FilterListener.html" title="interface in org.apache.openjpa.kernel.exps">FilterListener</a></td> |
| <td class="colLast"> |
| <div class="block">A filter listener extends expression filters with custom functionality.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/Literal.html" title="interface in org.apache.openjpa.kernel.exps">Literal</a></td> |
| <td class="colLast"> |
| <div class="block">Interface for any literal value.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/Parameter.html" title="interface in org.apache.openjpa.kernel.exps">Parameter</a></td> |
| <td class="colLast"> |
| <div class="block">A query parameter.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/Path.html" title="interface in org.apache.openjpa.kernel.exps">Path</a></td> |
| <td class="colLast"> |
| <div class="block">A path represents a traversal into fields of a candidate object.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/Resolver.html" title="interface in org.apache.openjpa.kernel.exps">Resolver</a></td> |
| <td class="colLast"> |
| <div class="block">A Resolver is used to resolve listeners and class or entity names |
| that appear in a query.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/Subquery.html" title="interface in org.apache.openjpa.kernel.exps">Subquery</a></td> |
| <td class="colLast"> |
| <div class="block">Query value representing a subquery.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a></td> |
| <td class="colLast"> |
| <div class="block">Interface for any non-operator in a query filter, including |
| constants, variables, and object fields.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"> |
| <table class="packageSummary" border="0" cellpadding="3" cellspacing="0" summary="Class Summary table, listing classes, and an explanation"> |
| <caption><span>Class Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html" title="class in org.apache.openjpa.kernel.exps">AbstractExpressionBuilder</a></td> |
| <td class="colLast"> |
| <div class="block">Abstract base class to help build expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionVisitor.html" title="class in org.apache.openjpa.kernel.exps">AbstractExpressionVisitor</a></td> |
| <td class="colLast"> |
| <div class="block">No-op abstract visitor meant for easy extension.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/CandidatePath.html" title="class in org.apache.openjpa.kernel.exps">CandidatePath</a></td> |
| <td class="colLast"> |
| <div class="block">A path represents a traversal into fields of a candidate object.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/CandidatePath.Traversal.html" title="class in org.apache.openjpa.kernel.exps">CandidatePath.Traversal</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a traversal through a field.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/Coalesce.html" title="class in org.apache.openjpa.kernel.exps">Coalesce</a></td> |
| <td class="colLast"> |
| <div class="block">An in-memory representation of a coalesce expression</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/Context.html" title="class in org.apache.openjpa.kernel.exps">Context</a></td> |
| <td class="colLast"> |
| <div class="block">JPQL / Criteria Query Context</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/Exp.html" title="class in org.apache.openjpa.kernel.exps">Exp</a></td> |
| <td class="colLast"> |
| <div class="block">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>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/InMemoryExpressionFactory.html" title="class in org.apache.openjpa.kernel.exps">InMemoryExpressionFactory</a></td> |
| <td class="colLast"> |
| <div class="block">Expression factory implementation that can be used to execute queries |
| in memory.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/NullIf.html" title="class in org.apache.openjpa.kernel.exps">NullIf</a></td> |
| <td class="colLast"> |
| <div class="block">An in-memory representation of a nullif expression</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/QueryExpressions.html" title="class in org.apache.openjpa.kernel.exps">QueryExpressions</a></td> |
| <td class="colLast"> |
| <div class="block">Struct to hold the state of a parsed expression query.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/SimpleCase.html" title="class in org.apache.openjpa.kernel.exps">SimpleCase</a></td> |
| <td class="colLast"> |
| <div class="block">An in-memory representation of a simple case expression</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/StringContains.html" title="class in org.apache.openjpa.kernel.exps">StringContains</a></td> |
| <td class="colLast">Deprecated |
| <div class="block"><i>Use <code>matches()</code> instead.</i></div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/Val.html" title="class in org.apache.openjpa.kernel.exps">Val</a></td> |
| <td class="colLast"> |
| <div class="block">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>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/WhenCondition.html" title="class in org.apache.openjpa.kernel.exps">WhenCondition</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/WhenScalar.html" title="class in org.apache.openjpa.kernel.exps">WhenScalar</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/openjpa/kernel/exps/WildcardMatch.html" title="class in org.apache.openjpa.kernel.exps">WildcardMatch</a></td> |
| <td class="colLast">Deprecated |
| <div class="block"><i>Use <code>matches()</code> instead.</i></div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| </ul> |
| <a name="package_description"> |
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| <h2 title="Package org.apache.openjpa.kernel.exps Description">Package org.apache.openjpa.kernel.exps Description</h2> |
| <div class="block"><p><strong>OpenJPA Expression Tree</strong></p></div> |
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