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| <div class="subTitle">org.apache.openjpa.persistence.query</div> |
| <h2 title="Interface DomainObject" class="title">Interface DomainObject</h2> |
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| <dt>All Superinterfaces:</dt> |
| <dd><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a>, <a href="../../../../../org/apache/openjpa/persistence/query/OrderByItem.html" title="interface in org.apache.openjpa.persistence.query">OrderByItem</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html" title="interface in org.apache.openjpa.persistence.query">PathExpression</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PredicateOperand.html" title="interface in org.apache.openjpa.persistence.query">PredicateOperand</a>, <a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html" title="interface in org.apache.openjpa.persistence.query">QueryDefinition</a>, <a href="../../../../../org/apache/openjpa/persistence/query/SelectItem.html" title="interface in org.apache.openjpa.persistence.query">SelectItem</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Subquery.html" title="interface in org.apache.openjpa.persistence.query">Subquery</a></dd> |
| </dl> |
| <dl> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../../../org/apache/openjpa/persistence/query/AbstractDomainObject.html" title="class in org.apache.openjpa.persistence.query">AbstractDomainObject</a>, <a href="../../../../../org/apache/openjpa/persistence/query/EntryExpression.html" title="class in org.apache.openjpa.persistence.query">EntryExpression</a>, <a href="../../../../../org/apache/openjpa/persistence/query/FetchPath.html" title="class in org.apache.openjpa.persistence.query">FetchPath</a>, <a href="../../../../../org/apache/openjpa/persistence/query/JoinPath.html" title="class in org.apache.openjpa.persistence.query">JoinPath</a>, <a href="../../../../../org/apache/openjpa/persistence/query/KeyExpression.html" title="class in org.apache.openjpa.persistence.query">KeyExpression</a>, <a href="../../../../../org/apache/openjpa/persistence/query/OperatorPath.html" title="class in org.apache.openjpa.persistence.query">OperatorPath</a>, <a href="../../../../../org/apache/openjpa/persistence/query/RootPath.html" title="class in org.apache.openjpa.persistence.query">RootPath</a>, <a href="../../../../../org/apache/openjpa/persistence/query/ValueExpression.html" title="class in org.apache.openjpa.persistence.query">ValueExpression</a></dd> |
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| <br> |
| <pre>public interface <span class="strong">DomainObject</span> |
| extends <a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html" title="interface in org.apache.openjpa.persistence.query">PathExpression</a>, <a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html" title="interface in org.apache.openjpa.persistence.query">QueryDefinition</a></pre> |
| <div class="block">Domain objects define the domain over which a query operates. A domain object |
| plays a role analogous to that of a Java Persistence query language |
| identification variable.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
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| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method_summary"> |
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| </a> |
| <h3>Method Summary</h3> |
| <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span>Methods</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/SelectItem.html" title="interface in org.apache.openjpa.persistence.query">SelectItem</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/DomainObject.html#entry()">entry</a></strong>()</code> |
| <div class="block">Return a select item corresponding to the map entry of a map-valued |
| association or element collection.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/DomainObject.html#index()">index</a></strong>()</code> |
| <div class="block">Return an expression that corresponds to the index. of the domain object |
| in the referenced association or element collection.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/DomainObject.html" title="interface in org.apache.openjpa.persistence.query">DomainObject</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/DomainObject.html#join(java.lang.String)">join</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> attribute)</code> |
| <div class="block">Extend the query domain by joining with a class that can be navigated to |
| or that is embedded in the class corresponding to the domain object on |
| which the method is invoked.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/FetchJoinObject.html" title="interface in org.apache.openjpa.persistence.query">FetchJoinObject</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/DomainObject.html#joinFetch(java.lang.String)">joinFetch</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> attribute)</code> |
| <div class="block">Specify that the association or element collection that is referenced by |
| the attribute be eagerly fetched through use of an inner join.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html" title="interface in org.apache.openjpa.persistence.query">PathExpression</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/DomainObject.html#key()">key</a></strong>()</code> |
| <div class="block">Return a path expression corresponding to the key of a map-valued |
| association or element collection.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/DomainObject.html" title="interface in org.apache.openjpa.persistence.query">DomainObject</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/DomainObject.html#leftJoin(java.lang.String)">leftJoin</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> attribute)</code> |
| <div class="block">Extend the query domain by left outer joining with a class that can be |
| navigated to or that is embedded in the class corresponding to the domain |
| object on which the method is invoked.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/FetchJoinObject.html" title="interface in org.apache.openjpa.persistence.query">FetchJoinObject</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/DomainObject.html#leftJoinFetch(java.lang.String)">leftJoinFetch</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> attribute)</code> |
| <div class="block">Specify that the association or element collection that is referenced by |
| the attribute be eagerly fetched through use of a left outer join.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html" title="interface in org.apache.openjpa.persistence.query">PathExpression</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/DomainObject.html#value()">value</a></strong>()</code> |
| <div class="block">Return a path expression corresponding to the value of a map-valued |
| association or element collection.</div> |
| </td> |
| </tr> |
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| <h3>Methods inherited from interface org.apache.openjpa.persistence.query.<a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html" title="interface in org.apache.openjpa.persistence.query">PathExpression</a></h3> |
| <code><a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html#avg()">avg</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html#count()">count</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html#get(java.lang.String)">get</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html#isEmpty()">isEmpty</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html#max()">max</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html#min()">min</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html#size()">size</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html#sum()">sum</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html#type()">type</a></code></li> |
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| <h3>Methods inherited from interface org.apache.openjpa.persistence.query.<a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a></h3> |
| <code><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#abs()">abs</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#concat(org.apache.openjpa.persistence.query.Expression...)">concat</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#concat(java.lang.String...)">concat</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#dividedBy(org.apache.openjpa.persistence.query.Expression)">dividedBy</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#dividedBy(java.lang.Number)">dividedBy</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#in(java.lang.Class...)">in</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#in(java.lang.Enum...)">in</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#in(org.apache.openjpa.persistence.query.Expression...)">in</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#in(java.lang.Number...)">in</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#in(java.lang.String...)">in</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#in(org.apache.openjpa.persistence.query.Subquery)">in</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#isNull()">isNull</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#length()">length</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#locate(org.apache.openjpa.persistence.query.Expression)">locate</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#locate(org.apache.openjpa.persistence.query.Expression,%20org.apache.openjpa.persistence.query.Expression)">locate</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#locate(org.apache.openjpa.persistence.query.Expression,%20int)">locate</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#locate(java.lang.String)">locate</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#locate(java.lang.String,%20org.apache.openjpa.persistence.query.Expression)">locate</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#locate(java.lang.String,%20int)">locate</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#lower()">lower</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#member(org.apache.openjpa.persistence.query.PathExpression)">member</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#minus()">minus</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#minus(org.apache.openjpa.persistence.query.Expression)">minus</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#minus(java.lang.Number)">minus</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#mod(org.apache.openjpa.persistence.query.Expression)">mod</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#mod(int)">mod</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#plus(org.apache.openjpa.persistence.query.Expression)">plus</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#plus(java.lang.Number)">plus</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#sqrt()">sqrt</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#substring(org.apache.openjpa.persistence.query.Expression)">substring</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#substring(org.apache.openjpa.persistence.query.Expression,%20org.apache.openjpa.persistence.query.Expression)">substring</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#substring(org.apache.openjpa.persistence.query.Expression,%20int)">substring</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#substring(int)">substring</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#substring(int,%20org.apache.openjpa.persistence.query.Expression)">substring</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#substring(int,%20int)">substring</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#times(org.apache.openjpa.persistence.query.Expression)">times</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#times(java.lang.Number)">times</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#trim()">trim</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#trim(char)">trim</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#trim(char,%20org.apache.openjpa.persistence.query.TrimSpec)">trim</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#trim(org.apache.openjpa.persistence.query.Expression)">trim</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#trim(org.apache.openjpa.persistence.query.Expression,%20org.apache.openjpa.persistence.query.TrimSpec)">trim</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#trim(org.apache.openjpa.persistence.query.TrimSpec)">trim</a>, <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html#upper()">upper</a></code></li> |
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| <h3>Methods inherited from interface org.apache.openjpa.persistence.query.<a href="../../../../../org/apache/openjpa/persistence/query/SelectItem.html" title="interface in org.apache.openjpa.persistence.query">SelectItem</a></h3> |
| <code><a href="../../../../../org/apache/openjpa/persistence/query/SelectItem.html#asc()">asc</a>, <a href="../../../../../org/apache/openjpa/persistence/query/SelectItem.html#desc()">desc</a></code></li> |
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| <h3>Methods inherited from interface org.apache.openjpa.persistence.query.<a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html" title="interface in org.apache.openjpa.persistence.query">QueryDefinition</a></h3> |
| <code><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#addRoot(java.lang.Class)">addRoot</a>, <a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#addSubqueryRoot(org.apache.openjpa.persistence.query.PathExpression)">addSubqueryRoot</a>, <a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#all()">all</a>, <a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#any()">any</a>, <a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#coalesce(java.util.Calendar...)">coalesce</a>, <a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#coalesce(java.util.Date...)">coalesce</a>, <a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#coalesce(org.apache.openjpa.persistence.query.Expression...)">coalesce</a>, <a 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| <h3>Methods inherited from interface org.apache.openjpa.persistence.query.<a href="../../../../../org/apache/openjpa/persistence/query/PredicateOperand.html" title="interface in org.apache.openjpa.persistence.query">PredicateOperand</a></h3> |
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href="../../../../../org/apache/openjpa/persistence/query/PredicateOperand.html#between(org.apache.openjpa.persistence.query.PredicateOperand,%20java.util.Calendar)">between</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PredicateOperand.html#between(org.apache.openjpa.persistence.query.PredicateOperand,%20java.util.Date)">between</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PredicateOperand.html#between(org.apache.openjpa.persistence.query.PredicateOperand,%20java.lang.Number)">between</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PredicateOperand.html#between(org.apache.openjpa.persistence.query.PredicateOperand,%20org.apache.openjpa.persistence.query.PredicateOperand)">between</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PredicateOperand.html#between(org.apache.openjpa.persistence.query.PredicateOperand,%20java.lang.String)">between</a>, <a 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| <!-- ============ METHOD DETAIL ========== --> |
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| <h3>Method Detail</h3> |
| <a name="join(java.lang.String)"> |
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| <h4>join</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/DomainObject.html" title="interface in org.apache.openjpa.persistence.query">DomainObject</a> join(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> attribute)</pre> |
| <div class="block">Extend the query domain by joining with a class that can be navigated to |
| or that is embedded in the class corresponding to the domain object on |
| which the method is invoked. This method is permitted to be invoked only |
| when defining the domain of the query. It must not be invoked within the |
| context of the select, where, groupBy, or having operations. The domain |
| object must correspond to a class that contains the referenced attribute. |
| The query definition is modified to include the newly joined domain |
| object.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>attribute</code> - - |
| name of the attribute that references the target of the |
| join</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the new DomainObject that is added for the target of the join</dd></dl> |
| </li> |
| </ul> |
| <a name="leftJoin(java.lang.String)"> |
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| <h4>leftJoin</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/DomainObject.html" title="interface in org.apache.openjpa.persistence.query">DomainObject</a> leftJoin(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> attribute)</pre> |
| <div class="block">Extend the query domain by left outer joining with a class that can be |
| navigated to or that is embedded in the class corresponding to the domain |
| object on which the method is invoked. This method is permitted to be |
| invoked only when defining the domain of the query. It must not be |
| invoked within the context of the select, where, groupBy, or having |
| operations. The domain object must correspond to a class that contains |
| the referenced attribute. The query definition is modified to include the |
| newly joined domain object.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>attribute</code> - - |
| name of the attribute that references the target of the |
| join</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the new DomainObject that is added for the target of the join</dd></dl> |
| </li> |
| </ul> |
| <a name="joinFetch(java.lang.String)"> |
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| <h4>joinFetch</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/FetchJoinObject.html" title="interface in org.apache.openjpa.persistence.query">FetchJoinObject</a> joinFetch(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> attribute)</pre> |
| <div class="block">Specify that the association or element collection that is referenced by |
| the attribute be eagerly fetched through use of an inner join. The domain |
| object must correspond to a class that contains the referenced attribute. |
| The query is modified to include the joined domain object.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>attribute</code> - - |
| name of the attribute that references the target of the |
| join</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the FetchJoinObject that is added for the target of the join</dd></dl> |
| </li> |
| </ul> |
| <a name="leftJoinFetch(java.lang.String)"> |
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| <h4>leftJoinFetch</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/FetchJoinObject.html" title="interface in org.apache.openjpa.persistence.query">FetchJoinObject</a> leftJoinFetch(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> attribute)</pre> |
| <div class="block">Specify that the association or element collection that is referenced by |
| the attribute be eagerly fetched through use of a left outer join. The |
| domain object must correspond to a class that contains the referenced |
| attribute. The query is modified to include the joined domain object.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>attribute</code> - - |
| name of the attribute that references the target of the |
| join</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the FetchJoinObject that is added for the target of the join</dd></dl> |
| </li> |
| </ul> |
| <a name="value()"> |
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| </a> |
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| <h4>value</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html" title="interface in org.apache.openjpa.persistence.query">PathExpression</a> value()</pre> |
| <div class="block">Return a path expression corresponding to the value of a map-valued |
| association or element collection. This method is only permitted to be |
| invoked upon a domain object that corresponds to a map-valued association |
| or element collection.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>PathExpression corresponding to the map value</dd></dl> |
| </li> |
| </ul> |
| <a name="key()"> |
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| <h4>key</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html" title="interface in org.apache.openjpa.persistence.query">PathExpression</a> key()</pre> |
| <div class="block">Return a path expression corresponding to the key of a map-valued |
| association or element collection. This method is only permitted to be |
| invoked upon a domain object that corresponds to a map-valued association |
| or element collection.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>PathExpression corresponding to the map key</dd></dl> |
| </li> |
| </ul> |
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| <h4>entry</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/SelectItem.html" title="interface in org.apache.openjpa.persistence.query">SelectItem</a> entry()</pre> |
| <div class="block">Return a select item corresponding to the map entry of a map-valued |
| association or element collection. This method is only permitted to be |
| invoked upon a domain object that corresponds to a map-valued association |
| or element collection.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>SelectItem corresponding to the map entry</dd></dl> |
| </li> |
| </ul> |
| <a name="index()"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>index</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> index()</pre> |
| <div class="block">Return an expression that corresponds to the index. of the domain object |
| in the referenced association or element collection. This method is only |
| permitted to be invoked upon a domain object that corresponds to a |
| multi-valued association or element collection for which an order column |
| has been defined.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>Expression denoting the index</dd></dl> |
| </li> |
| </ul> |
| </li> |
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