mirror of https://github.com/apache/openjpa.git
Convert single values into Collections in order to support varargs "IN" expressions.
git-svn-id: https://svn.apache.org/repos/asf/incubator/openjpa/trunk@487925 13f79535-47bb-0310-9956-ffa450edef68
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@ -16,6 +16,7 @@
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package org.apache.openjpa.kernel.exps;
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package org.apache.openjpa.kernel.exps;
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import java.util.Collection;
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import java.util.Collection;
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import java.util.Collections;
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import org.apache.openjpa.kernel.StoreContext;
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import org.apache.openjpa.kernel.StoreContext;
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@ -68,7 +69,8 @@ class ContainsExpression
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* Return the container collection for the given value.
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* Return the container collection for the given value.
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*/
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*/
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protected Collection getCollection(Object obj) {
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protected Collection getCollection(Object obj) {
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return (Collection) obj;
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return obj instanceof Collection ?
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(Collection) obj : Collections.singleton(obj);
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}
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}
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public void acceptVisit(ExpressionVisitor visitor) {
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public void acceptVisit(ExpressionVisitor visitor) {
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