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| <div class="subTitle">org.apache.openjpa.persistence.query</div> |
| <h2 title="Interface QueryBuilder" class="title">Interface QueryBuilder</h2> |
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| <pre>public interface <span class="strong">QueryBuilder</span></pre> |
| <div class="block">Factory interface for query definition objects</div> |
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| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html" title="interface in org.apache.openjpa.persistence.query">QueryDefinition</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/QueryBuilder.html#createQueryDefinition()">createQueryDefinition</a></strong>()</code> |
| <div class="block">Create an uninitialized query definition object.</div> |
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| <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/QueryBuilder.html#createQueryDefinition(java.lang.Class)">createQueryDefinition</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> root)</code> |
| <div class="block">Create a query definition object with the given root.</div> |
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| <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/QueryBuilder.html#createSubqueryDefinition(org.apache.openjpa.persistence.query.PathExpression)">createSubqueryDefinition</a></strong>(<a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html" title="interface in org.apache.openjpa.persistence.query">PathExpression</a> path)</code> |
| <div class="block">Create a query definition object whose root is derived from a domain |
| object of the containing query.</div> |
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| <h4>createQueryDefinition</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html" title="interface in org.apache.openjpa.persistence.query">QueryDefinition</a> createQueryDefinition()</pre> |
| <div class="block">Create an uninitialized query definition object.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>query definition instance</dd></dl> |
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| <h4>createQueryDefinition</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/DomainObject.html" title="interface in org.apache.openjpa.persistence.query">DomainObject</a> createQueryDefinition(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> root)</pre> |
| <div class="block">Create a query definition object with the given root. The root must be an |
| entity class.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>cls</code> - - |
| an entity class</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>root domain object</dd></dl> |
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| <h4>createSubqueryDefinition</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/DomainObject.html" title="interface in org.apache.openjpa.persistence.query">DomainObject</a> createSubqueryDefinition(<a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html" title="interface in org.apache.openjpa.persistence.query">PathExpression</a> path)</pre> |
| <div class="block">Create a query definition object whose root is derived from a domain |
| object of the containing query. Provides support for correlated |
| subqueries. Joins against the resulting domain object do not affect the |
| query domain of the containing query. The path expression must correspond |
| to an entity class. The path expression must not be a domain object of |
| the containing query.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>path</code> - - |
| path expression corresponding to the domain object used to |
| derive the subquery root.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the subquery DomainObject</dd></dl> |
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