| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <!-- NewPage --> |
| <html lang="en"> |
| <head> |
| <title>Expression</title> |
| <link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style"> |
| <script type="text/javascript" src="../../../script.js"></script> |
| |
| <link rel="shortcut icon" href="/img/jakarta-favicon.ico"> |
| </head> |
| <body> |
| <script type="text/javascript"><!-- |
| try { |
| if (location.href.indexOf('is-external=true') == -1) { |
| parent.document.title="Expression"; |
| } |
| } |
| catch(err) { |
| } |
| //--> |
| var methods = {"i0":6,"i1":6,"i2":6,"i3":6,"i4":6,"i5":6,"i6":6}; |
| var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],4:["t3","Abstract Methods"]}; |
| var altColor = "altColor"; |
| var rowColor = "rowColor"; |
| var tableTab = "tableTab"; |
| var activeTableTab = "activeTableTab"; |
| </script> |
| <noscript> |
| <div>JavaScript is disabled on your browser.</div> |
| </noscript> |
| <!-- ========= START OF TOP NAVBAR ======= --> |
| <div class="topNav"><a name="navbar.top"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div> |
| <a name="navbar.top.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../../overview-summary.html">Overview</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="navBarCell1Rev">Class</li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../../index-all.html">Index</a></li> |
| <li><a href="../../../help-doc.html">Help</a></li> |
| </ul> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../../jakarta/persistence/criteria/CriteriaUpdate.html" title="interface in jakarta.persistence.criteria"><span class="typeNameLink">Prev Class</span></a></li> |
| <li><a href="../../../jakarta/persistence/criteria/Fetch.html" title="interface in jakarta.persistence.criteria"><span class="typeNameLink">Next Class</span></a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../index.html?jakarta/persistence/criteria/Expression.html" target="_top">Frames</a></li> |
| <li><a href="Expression.html" target="_top">No Frames</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_top"> |
| <li><a href="../../../allclasses-noframe.html">All Classes</a></li> |
| </ul> |
| <div> |
| <script type="text/javascript"><!-- |
| allClassesLink = document.getElementById("allclasses_navbar_top"); |
| if(window==top) { |
| allClassesLink.style.display = "block"; |
| } |
| else { |
| allClassesLink.style.display = "none"; |
| } |
| //--> |
| </script> |
| </div> |
| <div> |
| <ul class="subNavList"> |
| <li>Summary: </li> |
| <li>Nested | </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.summary">Method</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>Detail: </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.detail">Method</a></li> |
| </ul> |
| </div> |
| <a name="skip.navbar.top"> |
| <!-- --> |
| </a></div> |
| <!-- ========= END OF TOP NAVBAR ========= --> |
| <!-- ======== START OF CLASS DATA ======== --> |
| <div class="header"> |
| <div class="subTitle">jakarta.persistence.criteria</div> |
| <h2 title="Interface Expression" class="title">Interface Expression<T></h2> |
| </div> |
| <div class="contentContainer"> |
| <div class="description"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>T</code> - the type of the expression</dd> |
| </dl> |
| <dl> |
| <dt>All Superinterfaces:</dt> |
| <dd><a href="../../../jakarta/persistence/criteria/Selection.html" title="interface in jakarta.persistence.criteria">Selection</a><T>, <a href="../../../jakarta/persistence/TupleElement.html" title="interface in jakarta.persistence">TupleElement</a><T></dd> |
| </dl> |
| <dl> |
| <dt>All Known Subinterfaces:</dt> |
| <dd><a href="../../../jakarta/persistence/criteria/CollectionJoin.html" title="interface in jakarta.persistence.criteria">CollectionJoin</a><Z,E>, <a href="../../../jakarta/persistence/criteria/CriteriaBuilder.Case.html" title="interface in jakarta.persistence.criteria">CriteriaBuilder.Case</a><R>, <a href="../../../jakarta/persistence/criteria/CriteriaBuilder.Coalesce.html" title="interface in jakarta.persistence.criteria">CriteriaBuilder.Coalesce</a><T>, <a href="../../../jakarta/persistence/criteria/CriteriaBuilder.In.html" title="interface in jakarta.persistence.criteria">CriteriaBuilder.In</a><T>, <a href="../../../jakarta/persistence/criteria/CriteriaBuilder.SimpleCase.html" title="interface in jakarta.persistence.criteria">CriteriaBuilder.SimpleCase</a><C,R>, <a href="../../../jakarta/persistence/criteria/From.html" title="interface in jakarta.persistence.criteria">From</a><Z,X>, <a href="../../../jakarta/persistence/criteria/Join.html" title="interface in jakarta.persistence.criteria">Join</a><Z,X>, <a href="../../../jakarta/persistence/criteria/ListJoin.html" title="interface in jakarta.persistence.criteria">ListJoin</a><Z,E>, <a href="../../../jakarta/persistence/criteria/MapJoin.html" title="interface in jakarta.persistence.criteria">MapJoin</a><Z,K,V>, <a href="../../../jakarta/persistence/criteria/ParameterExpression.html" title="interface in jakarta.persistence.criteria">ParameterExpression</a><T>, <a href="../../../jakarta/persistence/criteria/Path.html" title="interface in jakarta.persistence.criteria">Path</a><X>, <a href="../../../jakarta/persistence/criteria/PluralJoin.html" title="interface in jakarta.persistence.criteria">PluralJoin</a><Z,C,E>, <a href="../../../jakarta/persistence/criteria/Predicate.html" title="interface in jakarta.persistence.criteria">Predicate</a>, <a href="../../../jakarta/persistence/criteria/Root.html" title="interface in jakarta.persistence.criteria">Root</a><X>, <a href="../../../jakarta/persistence/criteria/SetJoin.html" title="interface in jakarta.persistence.criteria">SetJoin</a><Z,E>, <a href="../../../jakarta/persistence/criteria/Subquery.html" title="interface in jakarta.persistence.criteria">Subquery</a><T></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public interface <span class="typeNameLabel">Expression<T></span> |
| extends <a href="../../../jakarta/persistence/criteria/Selection.html" title="interface in jakarta.persistence.criteria">Selection</a><T></pre> |
| <div class="block">Type for query expressions.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>2.0</dd> |
| </dl> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><X> <a href="../../../jakarta/persistence/criteria/Expression.html" title="interface in jakarta.persistence.criteria">Expression</a><X></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../jakarta/persistence/criteria/Expression.html#as-java.lang.Class-">as</a></span>(java.lang.Class<X> type)</code> |
| <div class="block">Perform a typecast upon the expression, returning a new |
| expression object.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../jakarta/persistence/criteria/Predicate.html" title="interface in jakarta.persistence.criteria">Predicate</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../jakarta/persistence/criteria/Expression.html#in-java.util.Collection-">in</a></span>(java.util.Collection<?> values)</code> |
| <div class="block">Create a predicate to test whether the expression is a member |
| of the collection.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../jakarta/persistence/criteria/Predicate.html" title="interface in jakarta.persistence.criteria">Predicate</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../jakarta/persistence/criteria/Expression.html#in-jakarta.persistence.criteria.Expression...-">in</a></span>(<a href="../../../jakarta/persistence/criteria/Expression.html" title="interface in jakarta.persistence.criteria">Expression</a><?>... values)</code> |
| <div class="block">Create a predicate to test whether the expression is a member |
| of the argument list.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../jakarta/persistence/criteria/Predicate.html" title="interface in jakarta.persistence.criteria">Predicate</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../jakarta/persistence/criteria/Expression.html#in-jakarta.persistence.criteria.Expression-">in</a></span>(<a href="../../../jakarta/persistence/criteria/Expression.html" title="interface in jakarta.persistence.criteria">Expression</a><java.util.Collection<?>> values)</code> |
| <div class="block">Create a predicate to test whether the expression is a member |
| of the collection.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../jakarta/persistence/criteria/Predicate.html" title="interface in jakarta.persistence.criteria">Predicate</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../jakarta/persistence/criteria/Expression.html#in-java.lang.Object...-">in</a></span>(java.lang.Object... values)</code> |
| <div class="block">Create a predicate to test whether the expression is a member |
| of the argument list.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../jakarta/persistence/criteria/Predicate.html" title="interface in jakarta.persistence.criteria">Predicate</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../jakarta/persistence/criteria/Expression.html#isNotNull--">isNotNull</a></span>()</code> |
| <div class="block">Create a predicate to test whether the expression is |
| not null.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="../../../jakarta/persistence/criteria/Predicate.html" title="interface in jakarta.persistence.criteria">Predicate</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../jakarta/persistence/criteria/Expression.html#isNull--">isNull</a></span>()</code> |
| <div class="block">Create a predicate to test whether the expression is null.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.jakarta.persistence.criteria.Selection"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from interface jakarta.persistence.criteria.<a href="../../../jakarta/persistence/criteria/Selection.html" title="interface in jakarta.persistence.criteria">Selection</a></h3> |
| <code><a href="../../../jakarta/persistence/criteria/Selection.html#alias-java.lang.String-">alias</a>, <a href="../../../jakarta/persistence/criteria/Selection.html#getCompoundSelectionItems--">getCompoundSelectionItems</a>, <a href="../../../jakarta/persistence/criteria/Selection.html#isCompoundSelection--">isCompoundSelection</a></code></li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.jakarta.persistence.TupleElement"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from interface jakarta.persistence.<a href="../../../jakarta/persistence/TupleElement.html" title="interface in jakarta.persistence">TupleElement</a></h3> |
| <code><a href="../../../jakarta/persistence/TupleElement.html#getAlias--">getAlias</a>, <a href="../../../jakarta/persistence/TupleElement.html#getJavaType--">getJavaType</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="isNull--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isNull</h4> |
| <pre><a href="../../../jakarta/persistence/criteria/Predicate.html" title="interface in jakarta.persistence.criteria">Predicate</a> isNull()</pre> |
| <div class="block">Create a predicate to test whether the expression is null.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>predicate testing whether the expression is null</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isNotNull--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isNotNull</h4> |
| <pre><a href="../../../jakarta/persistence/criteria/Predicate.html" title="interface in jakarta.persistence.criteria">Predicate</a> isNotNull()</pre> |
| <div class="block">Create a predicate to test whether the expression is |
| not null.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>predicate testing whether the expression is not null</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="in-java.lang.Object...-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>in</h4> |
| <pre><a href="../../../jakarta/persistence/criteria/Predicate.html" title="interface in jakarta.persistence.criteria">Predicate</a> in(java.lang.Object... values)</pre> |
| <div class="block">Create a predicate to test whether the expression is a member |
| of the argument list.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>values</code> - values to be tested against</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>predicate testing for membership</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="in-jakarta.persistence.criteria.Expression...-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>in</h4> |
| <pre><a href="../../../jakarta/persistence/criteria/Predicate.html" title="interface in jakarta.persistence.criteria">Predicate</a> in(<a href="../../../jakarta/persistence/criteria/Expression.html" title="interface in jakarta.persistence.criteria">Expression</a><?>... values)</pre> |
| <div class="block">Create a predicate to test whether the expression is a member |
| of the argument list.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>values</code> - expressions to be tested against</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>predicate testing for membership</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="in-java.util.Collection-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>in</h4> |
| <pre><a href="../../../jakarta/persistence/criteria/Predicate.html" title="interface in jakarta.persistence.criteria">Predicate</a> in(java.util.Collection<?> values)</pre> |
| <div class="block">Create a predicate to test whether the expression is a member |
| of the collection.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>values</code> - collection of values to be tested against</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>predicate testing for membership</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="in-jakarta.persistence.criteria.Expression-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>in</h4> |
| <pre><a href="../../../jakarta/persistence/criteria/Predicate.html" title="interface in jakarta.persistence.criteria">Predicate</a> in(<a href="../../../jakarta/persistence/criteria/Expression.html" title="interface in jakarta.persistence.criteria">Expression</a><java.util.Collection<?>> values)</pre> |
| <div class="block">Create a predicate to test whether the expression is a member |
| of the collection.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>values</code> - expression corresponding to collection to be |
| tested against</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>predicate testing for membership</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="as-java.lang.Class-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>as</h4> |
| <pre><X> <a href="../../../jakarta/persistence/criteria/Expression.html" title="interface in jakarta.persistence.criteria">Expression</a><X> as(java.lang.Class<X> type)</pre> |
| <div class="block">Perform a typecast upon the expression, returning a new |
| expression object. |
| This method does not cause type conversion: |
| the runtime type is not changed. |
| Warning: may result in a runtime failure.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>type</code> - intended type of the expression</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>new expression of the given type</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <!-- ========= END OF CLASS DATA ========= --> |
| <!-- ======= START OF BOTTOM NAVBAR ====== --> |
| <div class="bottomNav"><a name="navbar.bottom"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> |
| <a name="navbar.bottom.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../../overview-summary.html">Overview</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="navBarCell1Rev">Class</li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../../index-all.html">Index</a></li> |
| <li><a href="../../../help-doc.html">Help</a></li> |
| </ul> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../../jakarta/persistence/criteria/CriteriaUpdate.html" title="interface in jakarta.persistence.criteria"><span class="typeNameLink">Prev Class</span></a></li> |
| <li><a href="../../../jakarta/persistence/criteria/Fetch.html" title="interface in jakarta.persistence.criteria"><span class="typeNameLink">Next Class</span></a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../index.html?jakarta/persistence/criteria/Expression.html" target="_top">Frames</a></li> |
| <li><a href="Expression.html" target="_top">No Frames</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_bottom"> |
| <li><a href="../../../allclasses-noframe.html">All Classes</a></li> |
| </ul> |
| <div> |
| <script type="text/javascript"><!-- |
| allClassesLink = document.getElementById("allclasses_navbar_bottom"); |
| if(window==top) { |
| allClassesLink.style.display = "block"; |
| } |
| else { |
| allClassesLink.style.display = "none"; |
| } |
| //--> |
| </script> |
| </div> |
| <div> |
| <ul class="subNavList"> |
| <li>Summary: </li> |
| <li>Nested | </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.summary">Method</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>Detail: </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.detail">Method</a></li> |
| </ul> |
| </div> |
| <a name="skip.navbar.bottom"> |
| <!-- --> |
| </a></div> |
| <!-- ======== END OF BOTTOM NAVBAR ======= --> |
| </body> |
| </html> |