From 9ce0bed09d42b3cefa40a8091607e65e7ddf7aeb Mon Sep 17 00:00:00 2001 From: Patrick Linskey Date: Fri, 20 Jul 2007 22:42:16 +0000 Subject: [PATCH] Test that externalization of EnumSets works as expected. git-svn-id: https://svn.apache.org/repos/asf/openjpa/trunk@558186 13f79535-47bb-0310-9956-ffa450edef68 --- .../persistence/fields/EnumSetOwner.java | 75 +++++++++++++++++++ .../persistence/fields/SampleEnum.java | 23 ++++++ .../persistence/fields/TestEnumSets.java | 48 ++++++++++++ 3 files changed, 146 insertions(+) create mode 100644 openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/fields/EnumSetOwner.java create mode 100644 openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/fields/SampleEnum.java create mode 100644 openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/fields/TestEnumSets.java diff --git a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/fields/EnumSetOwner.java b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/fields/EnumSetOwner.java new file mode 100644 index 000000000..6d395f32e --- /dev/null +++ b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/fields/EnumSetOwner.java @@ -0,0 +1,75 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.openjpa.persistence.fields; + +import java.util.EnumSet; +import java.util.Collections; +import java.util.Set; +import javax.persistence.Id; +import javax.persistence.Version; +import javax.persistence.Entity; + +import org.apache.openjpa.persistence.Persistent; +import org.apache.openjpa.persistence.Externalizer; + +@Entity +public class EnumSetOwner { + + @Id + private int id; + + @Version + private int version; + + @Persistent + @Externalizer("externalizer") + private EnumSetHolder enumSetHolder; + + public Set getEnumSet() { + return Collections.unmodifiableSet(enumSetHolder.enumSet); + } + + public void setEnumSet(EnumSet enumSet) { + enumSetHolder = new EnumSetHolder(enumSet); + } + + public static class EnumSetHolder { + + private final EnumSet enumSet; + + public EnumSetHolder(String externalizedValue) { + // this implementation can only handle the special form created + // by the externalizer above + if (!"all".equals(externalizedValue)) + throw new IllegalStateException(externalizedValue); + + enumSet = EnumSet.allOf(SampleEnum.class); + } + + private EnumSetHolder(EnumSet enumSet) { + this.enumSet = enumSet; + } + + public String externalizer() { + // this implementation always externalizes to a special + // representation of all the values. + return "all"; + } + } +} diff --git a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/fields/SampleEnum.java b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/fields/SampleEnum.java new file mode 100644 index 000000000..23efa42bc --- /dev/null +++ b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/fields/SampleEnum.java @@ -0,0 +1,23 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.openjpa.persistence.fields; + +public enum SampleEnum { + FOO, BAR, BAZ, QUUX +} diff --git a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/fields/TestEnumSets.java b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/fields/TestEnumSets.java new file mode 100644 index 000000000..876f2ec1c --- /dev/null +++ b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/fields/TestEnumSets.java @@ -0,0 +1,48 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.openjpa.persistence.fields; + +import java.util.EnumSet; + +import org.apache.openjpa.persistence.test.SingleEMTestCase; + +public class TestEnumSets + extends SingleEMTestCase { + + public void setUp() { + setUp(EnumSetOwner.class, CLEAR_TABLES); + } + + public void testExternalizedEnumSet() { + // test that inserting works + EnumSetOwner o = new EnumSetOwner(); + o.setEnumSet(EnumSet.allOf(SampleEnum.class)); + + em.getTransaction().begin(); + em.persist(o); + em.getTransaction().commit(); + Object oid = em.getObjectId(o); + em.close(); + + // ... and that loading works, with a new EM + em = emf.createEntityManager(); + o = em.find(EnumSetOwner.class, oid); + assertEquals(EnumSet.allOf(SampleEnum.class), o.getEnumSet()); + } +} \ No newline at end of file