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| <h2 title="Interface CollectionExpression" class="title">Interface CollectionExpression<T extends <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><E>,E></h2> |
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| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>T</code> - Java type being represented here</dd> |
| <dd><code>E</code> - Element type of the collection being represented here</dd> |
| </dl> |
| <dl> |
| <dt>All Superinterfaces:</dt> |
| <dd><a href="../../../javax/jdo/query/Expression.html" title="interface in javax.jdo.query">Expression</a><T></dd> |
| </dl> |
| <dl> |
| <dt>All Known Subinterfaces:</dt> |
| <dd><a href="../../../javax/jdo/query/ListExpression.html" title="interface in javax.jdo.query">ListExpression</a><T,E></dd> |
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| <pre>public interface <span class="typeNameLabel">CollectionExpression<T extends <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><E>,E></span> |
| extends <a href="../../../javax/jdo/query/Expression.html" title="interface in javax.jdo.query">Expression</a><T></pre> |
| <div class="block">Representation of a collection in a query.</div> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../../javax/jdo/query/BooleanExpression.html" title="interface in javax.jdo.query">BooleanExpression</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/jdo/query/CollectionExpression.html#contains-E-">contains</a></span>(<a href="../../../javax/jdo/query/CollectionExpression.html" title="type parameter in CollectionExpression">E</a> elem)</code> |
| <div class="block">Method returning whether the specified element is contained in this collection.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../javax/jdo/query/BooleanExpression.html" title="interface in javax.jdo.query">BooleanExpression</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/jdo/query/CollectionExpression.html#contains-javax.jdo.query.Expression-">contains</a></span>(<a href="../../../javax/jdo/query/Expression.html" title="interface in javax.jdo.query">Expression</a><<a href="../../../javax/jdo/query/CollectionExpression.html" title="type parameter in CollectionExpression">E</a>> expr)</code> |
| <div class="block">Method returning whether the specified element expression is contained in this collection.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../javax/jdo/query/BooleanExpression.html" title="interface in javax.jdo.query">BooleanExpression</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/jdo/query/CollectionExpression.html#isEmpty--">isEmpty</a></span>()</code> |
| <div class="block">Method returning whether the collection is empty.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../javax/jdo/query/NumericExpression.html" title="interface in javax.jdo.query">NumericExpression</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/jdo/query/CollectionExpression.html#size--">size</a></span>()</code> |
| <div class="block">Method returning an expression for the size of the collection</div> |
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| <h3>Methods inherited from interface javax.jdo.query.<a href="../../../javax/jdo/query/Expression.html" title="interface in javax.jdo.query">Expression</a></h3> |
| <code><a href="../../../javax/jdo/query/Expression.html#as-java.lang.String-">as</a>, <a href="../../../javax/jdo/query/Expression.html#cast-java.lang.Class-">cast</a>, <a href="../../../javax/jdo/query/Expression.html#count--">count</a>, <a href="../../../javax/jdo/query/Expression.html#countDistinct--">countDistinct</a>, <a href="../../../javax/jdo/query/Expression.html#eq-javax.jdo.query.Expression-">eq</a>, <a href="../../../javax/jdo/query/Expression.html#eq-T-">eq</a>, <a href="../../../javax/jdo/query/Expression.html#instanceOf-java.lang.Class-">instanceOf</a>, <a href="../../../javax/jdo/query/Expression.html#ne-javax.jdo.query.Expression-">ne</a>, <a href="../../../javax/jdo/query/Expression.html#ne-T-">ne</a></code></li> |
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| <h4>contains</h4> |
| <pre><a href="../../../javax/jdo/query/BooleanExpression.html" title="interface in javax.jdo.query">BooleanExpression</a> contains(<a href="../../../javax/jdo/query/Expression.html" title="interface in javax.jdo.query">Expression</a><<a href="../../../javax/jdo/query/CollectionExpression.html" title="type parameter in CollectionExpression">E</a>> expr)</pre> |
| <div class="block">Method returning whether the specified element expression is contained in this collection.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>expr</code> - The element expression</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Whether it is contained here</dd> |
| </dl> |
| </li> |
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| <h4>contains</h4> |
| <pre><a href="../../../javax/jdo/query/BooleanExpression.html" title="interface in javax.jdo.query">BooleanExpression</a> contains(<a href="../../../javax/jdo/query/CollectionExpression.html" title="type parameter in CollectionExpression">E</a> elem)</pre> |
| <div class="block">Method returning whether the specified element is contained in this collection.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>elem</code> - The element</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Whether it is contained here</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>isEmpty</h4> |
| <pre><a href="../../../javax/jdo/query/BooleanExpression.html" title="interface in javax.jdo.query">BooleanExpression</a> isEmpty()</pre> |
| <div class="block">Method returning whether the collection is empty.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Whether it is empty</dd> |
| </dl> |
| </li> |
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| <a name="size--"> |
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| <h4>size</h4> |
| <pre><a href="../../../javax/jdo/query/NumericExpression.html" title="interface in javax.jdo.query">NumericExpression</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> size()</pre> |
| <div class="block">Method returning an expression for the size of the collection</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The size</dd> |
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