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| <div class="subTitle">org.apache.openjpa.persistence.query</div> |
| <h2 title="Interface QueryDefinition" class="title">Interface QueryDefinition</h2> |
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| <dl> |
| <dt>All Superinterfaces:</dt> |
| <dd><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/Subquery.html" title="interface in org.apache.openjpa.persistence.query">Subquery</a></dd> |
| </dl> |
| <dl> |
| <dt>All Known Subinterfaces:</dt> |
| <dd><a href="../../../../../org/apache/openjpa/persistence/query/DomainObject.html" title="interface in org.apache.openjpa.persistence.query">DomainObject</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/QueryDefinitionImpl.html" title="class in org.apache.openjpa.persistence.query">QueryDefinitionImpl</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> |
| </dl> |
| <hr> |
| <br> |
| <pre>public interface <span class="strong">QueryDefinition</span> |
| extends <a href="../../../../../org/apache/openjpa/persistence/query/Subquery.html" title="interface in org.apache.openjpa.persistence.query">Subquery</a></pre> |
| <div class="block">Interface for construction of query definitions</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <li class="blockList"><a name="method_summary"> |
| <!-- --> |
| </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/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/QueryDefinition.html#addRoot(java.lang.Class)">addRoot</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> cls)</code> |
| <div class="block">Add a query root corresponding to the given entity, forming a cartesian |
| product with any existing roots.</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/QueryDefinition.html#addSubqueryRoot(org.apache.openjpa.persistence.query.PathExpression)">addSubqueryRoot</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">Add a root derived from a domain object of the containing query |
| definition to a query definition used as a subquery.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/Subquery.html" title="interface in org.apache.openjpa.persistence.query">Subquery</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#all()">all</a></strong>()</code> |
| <div class="block">Use the query definition object in a subquery in an all expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/Subquery.html" title="interface in org.apache.openjpa.persistence.query">Subquery</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#any()">any</a></strong>()</code> |
| <div class="block">Use the query definition object in a subquery in an any expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/QueryDefinition.html#coalesce(java.util.Calendar...)">coalesce</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util">Calendar</a>... exp)</code> |
| <div class="block">coalesce This is equivalent to a case expression that returns null if all |
| its arguments evaluate to null, and the value of its first non-null |
| argument otherwise.</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/QueryDefinition.html#coalesce(java.util.Date...)">coalesce</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a>... exp)</code> |
| <div class="block">coalesce This is equivalent to a case expression that returns null if all |
| its arguments evaluate to null, and the value of its first non-null |
| argument otherwise.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/QueryDefinition.html#coalesce(org.apache.openjpa.persistence.query.Expression...)">coalesce</a></strong>(<a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a>... exp)</code> |
| <div class="block">coalesce This is equivalent to a case expression that returns null if all |
| its arguments evaluate to null, and the value of its first non-null |
| argument otherwise.</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/QueryDefinition.html#coalesce(java.lang.String...)">coalesce</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>... exp)</code> |
| <div class="block">coalesce This is equivalent to a case expression that returns null if all |
| its arguments evaluate to null, and the value of its first non-null |
| argument otherwise.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/QueryDefinition.html#currentDate()">currentDate</a></strong>()</code> |
| <div class="block">Create an Expression corresponding to the current date on the database |
| server at the time of query execution.</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/QueryDefinition.html#currentTime()">currentTime</a></strong>()</code> |
| <div class="block">Create an Expression corresponding to the current time on the database |
| server at the time of query execution.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/QueryDefinition.html#currentTimestamp()">currentTimestamp</a></strong>()</code> |
| <div class="block">Create an Expression corresponding to the current timestamp on the |
| database server at the time of query execution.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/Predicate.html" title="interface in org.apache.openjpa.persistence.query">Predicate</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#exists()">exists</a></strong>()</code> |
| <div class="block">Use the query definition instance as a subquery in an exists predicate.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/CaseExpression.html" title="interface in org.apache.openjpa.persistence.query">CaseExpression</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#generalCase()">generalCase</a></strong>()</code> |
| <div class="block">Create an empty general case expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <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/QueryDefinition.html#groupBy(java.util.List)">groupBy</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html" title="interface in org.apache.openjpa.persistence.query">PathExpression</a>> pathExprList)</code> |
| <div class="block">Specify the items that are used to form groups over the query results.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/QueryDefinition.html#groupBy(org.apache.openjpa.persistence.query.PathExpression...)">groupBy</a></strong>(<a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html" title="interface in org.apache.openjpa.persistence.query">PathExpression</a>... pathExprs)</code> |
| <div class="block">Specify the items that are used to form groups over the query results.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <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/QueryDefinition.html#having(org.apache.openjpa.persistence.query.Predicate)">having</a></strong>(<a href="../../../../../org/apache/openjpa/persistence/query/Predicate.html" title="interface in org.apache.openjpa.persistence.query">Predicate</a> predicate)</code> |
| <div class="block">Specify the restrictions over the groups of a query.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/QueryDefinition.html#literal(boolean)">literal</a></strong>(boolean b)</code> |
| <div class="block">Create an Expression corresponding to a boolean value.</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/QueryDefinition.html#literal(java.util.Calendar)">literal</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util">Calendar</a> c)</code> |
| <div class="block">Create an Expression corresponding to a Calendar value.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/QueryDefinition.html#literal(char)">literal</a></strong>(char c)</code> |
| <div class="block">Create an Expression corresponding to a character value.</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/QueryDefinition.html#literal(java.lang.Class)">literal</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> cls)</code> |
| <div class="block">Create an Expression corresponding to an entity class.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/QueryDefinition.html#literal(java.util.Date)">literal</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a> d)</code> |
| <div class="block">Create an Expression corresponding to a Date value.</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/QueryDefinition.html#literal(java.lang.Enum)">literal</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</a><?> e)</code> |
| <div class="block">Create an Expression corresponding to an enum.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/QueryDefinition.html#literal(java.lang.Number)">literal</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</a> n)</code> |
| <div class="block">Create an Expression corresponding to a numeric value.</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/QueryDefinition.html#literal(java.lang.String)">literal</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> s)</code> |
| <div class="block">Create an Expression corresponding to a String value.</div> |
| </td> |
| </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/QueryDefinition.html#newInstance(java.lang.Class,%20org.apache.openjpa.persistence.query.SelectItem...)">newInstance</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> cls, |
| <a href="../../../../../org/apache/openjpa/persistence/query/SelectItem.html" title="interface in org.apache.openjpa.persistence.query">SelectItem</a>... args)</code> |
| <div class="block">Specify that a constructor for the given class is to be applied to the |
| corresponding query results after the query is executed.</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/QueryDefinition.html#nullif(java.util.Calendar,%20java.util.Calendar)">nullif</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util">Calendar</a> arg1, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util">Calendar</a> arg2)</code> |
| <div class="block">nullif This is equivalent to a case expression that tests whether its |
| arguments are equal, returning null if they are and the value of the |
| first expression if they are not.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/QueryDefinition.html#nullif(java.lang.Class,%20java.lang.Class)">nullif</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> arg1, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> arg2)</code> |
| <div class="block">nullif This is equivalent to a case expression that tests whether its |
| arguments are equal, returning null if they are and the value of the |
| first expression if they are not.</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/QueryDefinition.html#nullif(java.util.Date,%20java.util.Date)">nullif</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a> arg1, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a> arg2)</code> |
| <div class="block">nullif This is equivalent to a case expression that tests whether its |
| arguments are equal, returning null if they are and the value of the |
| first expression if they are not.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/QueryDefinition.html#nullif(java.lang.Enum,%20java.lang.Enum)">nullif</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</a><?> arg1, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</a><?> arg2)</code> |
| <div class="block">nullif This is equivalent to a case expression that tests whether its |
| arguments are equal, returning null if they are and the value of the |
| first expression if they are not.</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/QueryDefinition.html#nullif(org.apache.openjpa.persistence.query.Expression,%20org.apache.openjpa.persistence.query.Expression)">nullif</a></strong>(<a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> exp1, |
| <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> exp2)</code> |
| <div class="block">nullif This is equivalent to a case expression that tests whether its |
| arguments are equal, returning null if they are and the value of the |
| first expression if they are not.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/QueryDefinition.html#nullif(java.lang.Number,%20java.lang.Number)">nullif</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</a> arg1, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</a> arg2)</code> |
| <div class="block">nullif This is equivalent to a case expression that tests whether its |
| arguments are equal, returning null if they are and the value of the |
| first expression if they are not.</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/QueryDefinition.html#nullif(java.lang.String,%20java.lang.String)">nullif</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> arg1, |
| <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> arg2)</code> |
| <div class="block">nullif This is equivalent to a case expression that tests whether its |
| arguments are equal, returning null if they are and the value of the |
| first expression if they are not.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/QueryDefinition.html#nullLiteral()">nullLiteral</a></strong>()</code> |
| <div class="block">Create an Expression corresponding to a null value.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <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/QueryDefinition.html#orderBy(java.util.List)">orderBy</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/openjpa/persistence/query/OrderByItem.html" title="interface in org.apache.openjpa.persistence.query">OrderByItem</a>> orderByItemList)</code> |
| <div class="block">Specify the items of the select list that are used in ordering the query |
| results.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/QueryDefinition.html#orderBy(org.apache.openjpa.persistence.query.OrderByItem...)">orderBy</a></strong>(<a href="../../../../../org/apache/openjpa/persistence/query/OrderByItem.html" title="interface in org.apache.openjpa.persistence.query">OrderByItem</a>... orderByItems)</code> |
| <div class="block">Specify the items of the select list that are used in ordering the query |
| results.</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/QueryDefinition.html#param(java.lang.String)">param</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> name)</code> |
| <div class="block">Specify use of a parameter of the given name.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/Predicate.html" title="interface in org.apache.openjpa.persistence.query">Predicate</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#predicate(boolean)">predicate</a></strong>(boolean b)</code> |
| <div class="block">Create a predicate value from the given boolean.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <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/QueryDefinition.html#select(java.util.List)">select</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/openjpa/persistence/query/SelectItem.html" title="interface in org.apache.openjpa.persistence.query">SelectItem</a>> selectItemList)</code> |
| <div class="block">Specify the objects / values to be returned.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/QueryDefinition.html#select(org.apache.openjpa.persistence.query.SelectItem...)">select</a></strong>(<a href="../../../../../org/apache/openjpa/persistence/query/SelectItem.html" title="interface in org.apache.openjpa.persistence.query">SelectItem</a>... selectItems)</code> |
| <div class="block">Specify the objects / values to be returned.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <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/QueryDefinition.html#selectDistinct(java.util.List)">selectDistinct</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/openjpa/persistence/query/SelectItem.html" title="interface in org.apache.openjpa.persistence.query">SelectItem</a>> selectItemList)</code> |
| <div class="block">Specify the objects / values to be returned.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/QueryDefinition.html#selectDistinct(org.apache.openjpa.persistence.query.SelectItem...)">selectDistinct</a></strong>(<a href="../../../../../org/apache/openjpa/persistence/query/SelectItem.html" title="interface in org.apache.openjpa.persistence.query">SelectItem</a>... selectItems)</code> |
| <div class="block">Specify the objects / values to be returned.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/CaseExpression.html" title="interface in org.apache.openjpa.persistence.query">CaseExpression</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#simpleCase(java.util.Calendar)">simpleCase</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util">Calendar</a> caseOperand)</code> |
| <div class="block">Create a simple case expression with the given case operand.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/CaseExpression.html" title="interface in org.apache.openjpa.persistence.query">CaseExpression</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#simpleCase(java.lang.Class)">simpleCase</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> caseOperand)</code> |
| <div class="block">Create a simple case expression with the given case operand.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/CaseExpression.html" title="interface in org.apache.openjpa.persistence.query">CaseExpression</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#simpleCase(java.util.Date)">simpleCase</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a> caseOperand)</code> |
| <div class="block">Create a simple case expression with the given case operand.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/CaseExpression.html" title="interface in org.apache.openjpa.persistence.query">CaseExpression</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#simpleCase(java.lang.Enum)">simpleCase</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</a><?> caseOperand)</code> |
| <div class="block">Create a simple case expression with the given case operand.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/CaseExpression.html" title="interface in org.apache.openjpa.persistence.query">CaseExpression</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#simpleCase(org.apache.openjpa.persistence.query.Expression)">simpleCase</a></strong>(<a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> caseOperand)</code> |
| <div class="block">Create a simple case expression with the given case operand.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/CaseExpression.html" title="interface in org.apache.openjpa.persistence.query">CaseExpression</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#simpleCase(java.lang.Number)">simpleCase</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</a> caseOperand)</code> |
| <div class="block">Create a simple case expression with the given case operand.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/CaseExpression.html" title="interface in org.apache.openjpa.persistence.query">CaseExpression</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#simpleCase(java.lang.String)">simpleCase</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> caseOperand)</code> |
| <div class="block">Create a simple case expression with the given case operand.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/persistence/query/Subquery.html" title="interface in org.apache.openjpa.persistence.query">Subquery</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html#some()">some</a></strong>()</code> |
| <div class="block">Use the query definition object in a subquery in a some expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <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/QueryDefinition.html#where(org.apache.openjpa.persistence.query.Predicate)">where</a></strong>(<a href="../../../../../org/apache/openjpa/persistence/query/Predicate.html" title="interface in org.apache.openjpa.persistence.query">Predicate</a> predicate)</code> |
| <div class="block">Modifies the query definition to restrict the result of the query |
| according to the specified predicate.</div> |
| </td> |
| </tr> |
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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> |
| <code><a href="../../../../../org/apache/openjpa/persistence/query/PredicateOperand.html#between(java.util.Calendar,%20java.util.Calendar)">between</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PredicateOperand.html#between(java.util.Calendar,%20org.apache.openjpa.persistence.query.PredicateOperand)">between</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PredicateOperand.html#between(java.util.Date,%20java.util.Date)">between</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PredicateOperand.html#between(java.util.Date,%20org.apache.openjpa.persistence.query.PredicateOperand)">between</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PredicateOperand.html#between(java.lang.Number,%20java.lang.Number)">between</a>, <a href="../../../../../org/apache/openjpa/persistence/query/PredicateOperand.html#between(java.lang.Number,%20org.apache.openjpa.persistence.query.PredicateOperand)">between</a>, <a 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| <div class="block">Add a query root corresponding to the given entity, forming a cartesian |
| product with any existing roots. The domain object that is returned is |
| bound as a component of the given query. The argument 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>DomainObject corresponding to the specified entity class.</dd></dl> |
| </li> |
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| <div class="block">Add a root derived from a domain object of the containing query |
| definition to a query definition used as a subquery. 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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| <div class="block">Specify the objects / values to be returned. Replaces the previous select |
| list, if any. If no select items are specified and there is only one |
| query root, the root entity is assumed to be the result.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>selectItems</code> - - |
| one or more SelectItem instances</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the modified query definition instance</dd></dl> |
| </li> |
| </ul> |
| <a name="select(java.util.List)"> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html" title="interface in org.apache.openjpa.persistence.query">QueryDefinition</a> select(<a href="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/openjpa/persistence/query/SelectItem.html" title="interface in org.apache.openjpa.persistence.query">SelectItem</a>> selectItemList)</pre> |
| <div class="block">Specify the objects / values to be returned. Replaces the previous select |
| list, if any. If no select items are specified and there is only one |
| query root, the root entity is assumed to be the result.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>selectItemList</code> - - |
| a list containing one or more SelectItem instances</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the modified query definition instance</dd></dl> |
| </li> |
| </ul> |
| <a name="selectDistinct(org.apache.openjpa.persistence.query.SelectItem...)"> |
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| <h4>selectDistinct</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html" title="interface in org.apache.openjpa.persistence.query">QueryDefinition</a> selectDistinct(<a href="../../../../../org/apache/openjpa/persistence/query/SelectItem.html" title="interface in org.apache.openjpa.persistence.query">SelectItem</a>... selectItems)</pre> |
| <div class="block">Specify the objects / values to be returned. Duplicate results will be |
| eliminated. Replaces the previous select list, if any. If no select items |
| are specified and there is only one query root, the root entity is |
| assumed to be the result.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>selectItems</code> - - |
| one or more SelectItem instances</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the modified query definition instance</dd></dl> |
| </li> |
| </ul> |
| <a name="selectDistinct(java.util.List)"> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html" title="interface in org.apache.openjpa.persistence.query">QueryDefinition</a> selectDistinct(<a href="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/openjpa/persistence/query/SelectItem.html" title="interface in org.apache.openjpa.persistence.query">SelectItem</a>> selectItemList)</pre> |
| <div class="block">Specify the objects / values to be returned. Duplicate results will be |
| eliminated. Replaces the previous select list, if any. If no select items |
| are specified, and there is only one query root, the root entity is |
| assumed to be the result. is assumed to be the result.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>selectItemList</code> - - |
| a list containing one or more SelectItem instances</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the modified query definition instance</dd></dl> |
| </li> |
| </ul> |
| <a name="where(org.apache.openjpa.persistence.query.Predicate)"> |
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| <h4>where</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html" title="interface in org.apache.openjpa.persistence.query">QueryDefinition</a> where(<a href="../../../../../org/apache/openjpa/persistence/query/Predicate.html" title="interface in org.apache.openjpa.persistence.query">Predicate</a> predicate)</pre> |
| <div class="block">Modifies the query definition to restrict the result of the query |
| according to the specified predicate. Replaces the previously added |
| restriction(s), if any.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>predicate</code> - - |
| a simple or compound conditional predicate</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the modified QueryDefinition instance</dd></dl> |
| </li> |
| </ul> |
| <a name="orderBy(org.apache.openjpa.persistence.query.OrderByItem...)"> |
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| <h4>orderBy</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html" title="interface in org.apache.openjpa.persistence.query">QueryDefinition</a> orderBy(<a href="../../../../../org/apache/openjpa/persistence/query/OrderByItem.html" title="interface in org.apache.openjpa.persistence.query">OrderByItem</a>... orderByItems)</pre> |
| <div class="block">Specify the items of the select list that are used in ordering the query |
| results. Replaces the previous order-by list, if any.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>orderByItems</code> - - |
| one or more OrderByItem instances</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the modified QueryDefinition instance</dd></dl> |
| </li> |
| </ul> |
| <a name="orderBy(java.util.List)"> |
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| <h4>orderBy</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html" title="interface in org.apache.openjpa.persistence.query">QueryDefinition</a> orderBy(<a href="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/openjpa/persistence/query/OrderByItem.html" title="interface in org.apache.openjpa.persistence.query">OrderByItem</a>> orderByItemList)</pre> |
| <div class="block">Specify the items of the select list that are used in ordering the query |
| results. Replaces the previous order-by list, if any.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>orderByItemList</code> - - |
| a list containing one or more OrderByItem |
| instances</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the modified QueryDefinition instance</dd></dl> |
| </li> |
| </ul> |
| <a name="groupBy(org.apache.openjpa.persistence.query.PathExpression...)"> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html" title="interface in org.apache.openjpa.persistence.query">QueryDefinition</a> groupBy(<a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html" title="interface in org.apache.openjpa.persistence.query">PathExpression</a>... pathExprs)</pre> |
| <div class="block">Specify the items that are used to form groups over the query results. |
| Replaces the previous group-by list, if any.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>pathExprs</code> - </dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the modified QueryDefinition instance</dd></dl> |
| </li> |
| </ul> |
| <a name="groupBy(java.util.List)"> |
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| <h4>groupBy</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html" title="interface in org.apache.openjpa.persistence.query">QueryDefinition</a> groupBy(<a href="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/openjpa/persistence/query/PathExpression.html" title="interface in org.apache.openjpa.persistence.query">PathExpression</a>> pathExprList)</pre> |
| <div class="block">Specify the items that are used to form groups over the query results. |
| Replaces the previous group-by list, if any.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>pathExprList</code> - </dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the modified QueryDefinition instance</dd></dl> |
| </li> |
| </ul> |
| <a name="having(org.apache.openjpa.persistence.query.Predicate)"> |
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| <h4>having</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/QueryDefinition.html" title="interface in org.apache.openjpa.persistence.query">QueryDefinition</a> having(<a href="../../../../../org/apache/openjpa/persistence/query/Predicate.html" title="interface in org.apache.openjpa.persistence.query">Predicate</a> predicate)</pre> |
| <div class="block">Specify the restrictions over the groups of a query. Replaces the |
| previous having restriction(s), if any.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>predicate</code> - </dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the modified QueryDefinition Instance</dd></dl> |
| </li> |
| </ul> |
| <a name="newInstance(java.lang.Class, org.apache.openjpa.persistence.query.SelectItem...)"> |
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| <h4>newInstance</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/SelectItem.html" title="interface in org.apache.openjpa.persistence.query">SelectItem</a> newInstance(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> cls, |
| <a href="../../../../../org/apache/openjpa/persistence/query/SelectItem.html" title="interface in org.apache.openjpa.persistence.query">SelectItem</a>... args)</pre> |
| <div class="block">Specify that a constructor for the given class is to be applied to the |
| corresponding query results after the query is executed. The class must |
| have a constructor that accepts the Java argument types corresponding to |
| the given select items.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>cls</code> - - |
| a class with the correponding constructor</dd><dd><code>args</code> - - |
| select items that correspond to result types that are valid |
| as arguments to the constructor</dd></dl> |
| </li> |
| </ul> |
| <a name="exists()"> |
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| <h4>exists</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Predicate.html" title="interface in org.apache.openjpa.persistence.query">Predicate</a> exists()</pre> |
| <div class="block">Use the query definition instance as a subquery in an exists predicate.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the resulting predicate</dd></dl> |
| </li> |
| </ul> |
| <a name="all()"> |
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| <h4>all</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Subquery.html" title="interface in org.apache.openjpa.persistence.query">Subquery</a> all()</pre> |
| <div class="block">Use the query definition object in a subquery in an all expression.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the resulting Subquery</dd></dl> |
| </li> |
| </ul> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Subquery.html" title="interface in org.apache.openjpa.persistence.query">Subquery</a> any()</pre> |
| <div class="block">Use the query definition object in a subquery in an any expression.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the resulting Subquery</dd></dl> |
| </li> |
| </ul> |
| <a name="some()"> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Subquery.html" title="interface in org.apache.openjpa.persistence.query">Subquery</a> some()</pre> |
| <div class="block">Use the query definition object in a subquery in a some expression.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the resulting Subquery</dd></dl> |
| </li> |
| </ul> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/CaseExpression.html" title="interface in org.apache.openjpa.persistence.query">CaseExpression</a> generalCase()</pre> |
| <div class="block">Create an empty general case expression. A general case expression is of |
| the form: |
| <p/> |
| generalCase() .when(conditional-predicate).then(scalar-expression) |
| .when(conditional-predicate).then(scalar-expression) ... |
| .elseCase(scalar-expression)</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>empty general case expression</dd></dl> |
| </li> |
| </ul> |
| <a name="simpleCase(org.apache.openjpa.persistence.query.Expression)"> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/CaseExpression.html" title="interface in org.apache.openjpa.persistence.query">CaseExpression</a> simpleCase(<a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> caseOperand)</pre> |
| <div class="block">Create a simple case expression with the given case operand. A simple |
| case expression is of the form: |
| <p/> |
| simpleCase(case-operand) .when(scalar-expression).then(scalar-expression) |
| .when(scalar-expression).then(scalar-expression) ... |
| .elseCase(scalar-expression)</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>caseOperand</code> - - |
| expression used for testing against the when scalar |
| expressions</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>case expression with the given case operand</dd></dl> |
| </li> |
| </ul> |
| <a name="simpleCase(java.lang.Number)"> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/CaseExpression.html" title="interface in org.apache.openjpa.persistence.query">CaseExpression</a> simpleCase(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</a> caseOperand)</pre> |
| <div class="block">Create a simple case expression with the given case operand. A simple |
| case expression is of the form: |
| <p/> |
| simpleCase(case-operand) .when(scalar-expression).then(scalar-expression) |
| .when(scalar-expression).then(scalar-expression) ... |
| .elseCase(scalar-expression)</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>caseOperand</code> - - |
| numeric value used for testing against the when scalar |
| expressions</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>case expression with the given case operand</dd></dl> |
| </li> |
| </ul> |
| <a name="simpleCase(java.lang.String)"> |
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| <h4>simpleCase</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/CaseExpression.html" title="interface in org.apache.openjpa.persistence.query">CaseExpression</a> simpleCase(<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> caseOperand)</pre> |
| <div class="block">Create a simple case expression with the given case operand. A simple |
| case expression is of the form: |
| <p/> |
| simpleCase(case-operand) .when(scalar-expression).then(scalar-expression) |
| .when(scalar-expression).then(scalar-expression) ... |
| .elseCase(scalar-expression)</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>caseOperand</code> - - |
| value used for testing against the when scalar |
| expressions</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>case expression with the given case operand</dd></dl> |
| </li> |
| </ul> |
| <a name="simpleCase(java.util.Date)"> |
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| <h4>simpleCase</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/CaseExpression.html" title="interface in org.apache.openjpa.persistence.query">CaseExpression</a> simpleCase(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a> caseOperand)</pre> |
| <div class="block">Create a simple case expression with the given case operand. A simple |
| case expression is of the form: |
| <p/> |
| simpleCase(case-operand) .when(scalar-expression).then(scalar-expression) |
| .when(scalar-expression).then(scalar-expression) ... |
| .elseCase(scalar-expression)</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>caseOperand</code> - - |
| value used for testing against the when scalar |
| expressions</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>case expression with the given case operand</dd></dl> |
| </li> |
| </ul> |
| <a name="simpleCase(java.util.Calendar)"> |
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| <h4>simpleCase</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/CaseExpression.html" title="interface in org.apache.openjpa.persistence.query">CaseExpression</a> simpleCase(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util">Calendar</a> caseOperand)</pre> |
| <div class="block">Create a simple case expression with the given case operand. A simple |
| case expression is of the form: |
| <p/> |
| simpleCase(case-operand) .when(scalar-expression).then(scalar-expression) |
| .when(scalar-expression).then(scalar-expression) ... |
| .elseCase(scalar-expression)</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>caseOperand</code> - - |
| value used for testing against the when scalar |
| expressions</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>case expression with the given case operand</dd></dl> |
| </li> |
| </ul> |
| <a name="simpleCase(java.lang.Class)"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>simpleCase</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/CaseExpression.html" title="interface in org.apache.openjpa.persistence.query">CaseExpression</a> simpleCase(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> caseOperand)</pre> |
| <div class="block">Create a simple case expression with the given case operand. A simple |
| case expression is of the form: |
| <p/> |
| simpleCase(case-operand) .when(scalar-expression).then(scalar-expression) |
| .when(scalar-expression).then(scalar-expression) ... |
| .elseCase(scalar-expression)</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>caseOperand</code> - - |
| value used for testing against the when scalar |
| expressions</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>case expression with the given case operand</dd></dl> |
| </li> |
| </ul> |
| <a name="simpleCase(java.lang.Enum)"> |
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| </a> |
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| <h4>simpleCase</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/CaseExpression.html" title="interface in org.apache.openjpa.persistence.query">CaseExpression</a> simpleCase(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</a><?> caseOperand)</pre> |
| <div class="block">Create a simple case expression with the given case operand. A simple |
| case expression is of the form: |
| <p/> |
| simpleCase(case-operand) .when(scalar-expression).then(scalar-expression) |
| .when(scalar-expression).then(scalar-expression) ... |
| .elseCase(scalar-expression)</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>caseOperand</code> - - |
| value used for testing against the when scalar |
| expressions</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>case expression with the given case operand</dd></dl> |
| </li> |
| </ul> |
| <a name="coalesce(org.apache.openjpa.persistence.query.Expression...)"> |
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| </a> |
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| <h4>coalesce</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> coalesce(<a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a>... exp)</pre> |
| <div class="block">coalesce This is equivalent to a case expression that returns null if all |
| its arguments evaluate to null, and the value of its first non-null |
| argument otherwise.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>exp</code> - - |
| expressions to be used for testing against null</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Expression corresponding to the given coalesce expression</dd></dl> |
| </li> |
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| <div class="block">coalesce This is equivalent to a case expression that returns null if all |
| its arguments evaluate to null, and the value of its first non-null |
| argument otherwise.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>exp</code> - - |
| expressions to be used for testing against null</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Expression corresponding to the given coalesce expression</dd></dl> |
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| <div class="block">coalesce This is equivalent to a case expression that returns null if all |
| its arguments evaluate to null, and the value of its first non-null |
| argument otherwise.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>exp</code> - - |
| expressions to be used for testing against null</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Expression corresponding to the given coalesce expression</dd></dl> |
| </li> |
| </ul> |
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| <div class="block">coalesce This is equivalent to a case expression that returns null if all |
| its arguments evaluate to null, and the value of its first non-null |
| argument otherwise.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>exp</code> - - |
| expressions to be used for testing against null</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Expression corresponding to the given coalesce expression</dd></dl> |
| </li> |
| </ul> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> nullif(<a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> exp1, |
| <a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> exp2)</pre> |
| <div class="block">nullif This is equivalent to a case expression that tests whether its |
| arguments are equal, returning null if they are and the value of the |
| first expression if they are not.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>exp1</code> - </dd><dd><code>exp2</code> - </dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Expression corresponding to the given nullif expression</dd></dl> |
| </li> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> nullif(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</a> arg1, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</a> arg2)</pre> |
| <div class="block">nullif This is equivalent to a case expression that tests whether its |
| arguments are equal, returning null if they are and the value of the |
| first expression if they are not.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>arg1</code> - </dd><dd><code>arg2</code> - </dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Expression corresponding to the given nullif expression</dd></dl> |
| </li> |
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| <h4>nullif</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> nullif(<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> arg1, |
| <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> arg2)</pre> |
| <div class="block">nullif This is equivalent to a case expression that tests whether its |
| arguments are equal, returning null if they are and the value of the |
| first expression if they are not.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>arg1</code> - </dd><dd><code>arg2</code> - Criteria API Java Persistence 2.0, Public Review Draft |
| Criteria API Interfaces 10/31/08 158 JSR-317 Public Review |
| Draft Sun Microsystems, Inc.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Expression corresponding to the given nullif expression</dd></dl> |
| </li> |
| </ul> |
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| <h4>nullif</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> nullif(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a> arg1, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a> arg2)</pre> |
| <div class="block">nullif This is equivalent to a case expression that tests whether its |
| arguments are equal, returning null if they are and the value of the |
| first expression if they are not.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>arg1</code> - </dd><dd><code>arg2</code> - </dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Expression corresponding to the given nullif expression</dd></dl> |
| </li> |
| </ul> |
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| <h4>nullif</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> nullif(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util">Calendar</a> arg1, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util">Calendar</a> arg2)</pre> |
| <div class="block">nullif This is equivalent to a case expression that tests whether its |
| arguments are equal, returning null if they are and the value of the |
| first expression if they are not.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>arg1</code> - </dd><dd><code>arg2</code> - </dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Expression corresponding to the given nullif expression</dd></dl> |
| </li> |
| </ul> |
| <a name="nullif(java.lang.Class, java.lang.Class)"> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> nullif(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> arg1, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> arg2)</pre> |
| <div class="block">nullif This is equivalent to a case expression that tests whether its |
| arguments are equal, returning null if they are and the value of the |
| first expression if they are not.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>arg1</code> - </dd><dd><code>arg2</code> - </dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Expression corresponding to the given nullif expression</dd></dl> |
| </li> |
| </ul> |
| <a name="nullif(java.lang.Enum, java.lang.Enum)"> |
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| <h4>nullif</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> nullif(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</a><?> arg1, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</a><?> arg2)</pre> |
| <div class="block">nullif This is equivalent to a case expression that tests whether its |
| arguments are equal, returning null if they are and the value of the |
| first expression if they are not.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>arg1</code> - </dd><dd><code>arg2</code> - </dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Expression corresponding to the given nullif expression</dd></dl> |
| </li> |
| </ul> |
| <a name="predicate(boolean)"> |
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| <h4>predicate</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Predicate.html" title="interface in org.apache.openjpa.persistence.query">Predicate</a> predicate(boolean b)</pre> |
| <div class="block">Create a predicate value from the given boolean.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>b</code> - boolean value</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>a true or false predicate</dd></dl> |
| </li> |
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| <h4>currentTime</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> currentTime()</pre> |
| <div class="block">Create an Expression corresponding to the current time on the database |
| server at the time of query execution.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the corresponding Expression</dd></dl> |
| </li> |
| </ul> |
| <a name="currentDate()"> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> currentDate()</pre> |
| <div class="block">Create an Expression corresponding to the current date on the database |
| server at the time of query execution.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the corresponding Expression</dd></dl> |
| </li> |
| </ul> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> currentTimestamp()</pre> |
| <div class="block">Create an Expression corresponding to the current timestamp on the |
| database server at the time of query execution.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the corresponding Expression</dd></dl> |
| </li> |
| </ul> |
| <a name="literal(java.lang.String)"> |
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| <h4>literal</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> literal(<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> s)</pre> |
| <div class="block">Create an Expression corresponding to a String value.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>s</code> - - |
| string value</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the corresponding Expression literal</dd></dl> |
| </li> |
| </ul> |
| <a name="literal(java.lang.Number)"> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> literal(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</a> n)</pre> |
| <div class="block">Create an Expression corresponding to a numeric value.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>n</code> - - |
| numeric value</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the corresponding Expression literal</dd></dl> |
| </li> |
| </ul> |
| <a name="literal(boolean)"> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> literal(boolean b)</pre> |
| <div class="block">Create an Expression corresponding to a boolean value.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>b</code> - - |
| boolean value</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the corresponding Expression literal</dd></dl> |
| </li> |
| </ul> |
| <a name="literal(java.util.Calendar)"> |
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| </a> |
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| <h4>literal</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> literal(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util">Calendar</a> c)</pre> |
| <div class="block">Create an Expression corresponding to a Calendar value.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>c</code> - - |
| Calendar value</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the corresponding Expression literal</dd></dl> |
| </li> |
| </ul> |
| <a name="literal(java.util.Date)"> |
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| <h4>literal</h4> |
| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> literal(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a> d)</pre> |
| <div class="block">Create an Expression corresponding to a Date value.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>d</code> - - |
| Date value</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the corresponding Expression literal</dd></dl> |
| </li> |
| </ul> |
| <a name="literal(char)"> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> literal(char c)</pre> |
| <div class="block">Create an Expression corresponding to a character value.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>character</code> - value</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the corresponding Expression literal</dd></dl> |
| </li> |
| </ul> |
| <a name="literal(java.lang.Class)"> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> literal(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> cls)</pre> |
| <div class="block">Create an Expression corresponding to an entity class.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>cls</code> - - |
| entity class</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the corresponding Expression literal</dd></dl> |
| </li> |
| </ul> |
| <a name="literal(java.lang.Enum)"> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> literal(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</a><?> e)</pre> |
| <div class="block">Create an Expression corresponding to an enum.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>e</code> - - |
| enum</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the corresponding Expression literal</dd></dl> |
| </li> |
| </ul> |
| <a name="nullLiteral()"> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> nullLiteral()</pre> |
| <div class="block">Create an Expression corresponding to a null value.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the corresponding Expression literal</dd></dl> |
| </li> |
| </ul> |
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| <pre><a href="../../../../../org/apache/openjpa/persistence/query/Expression.html" title="interface in org.apache.openjpa.persistence.query">Expression</a> param(<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> name)</pre> |
| <div class="block">Specify use of a parameter of the given name.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>parameter</code> - name</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>an Expression corresponding to a named parameter</dd></dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
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