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Jakarta Persistence 3.2 new feature - java.lang.Record support in @Em…
…bedded parts Signed-off-by: Radek Felcman <[email protected]>
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34 changes: 34 additions & 0 deletions
34
...rc/test/java/org/eclipse/persistence/testing/tests/junit/policies/NestedDetailRecord.java
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|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| /* | ||
| * Copyright (c) 2024 Oracle and/or its affiliates. All rights reserved. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License v. 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0, | ||
| * or the Eclipse Distribution License v. 1.0 which is available at | ||
| * http://www.eclipse.org/org/documents/edl-v10.php. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause | ||
| */ | ||
|
|
||
| // Contributors: | ||
| // Oracle - initial API and implementation | ||
| package org.eclipse.persistence.testing.tests.junit.policies; | ||
|
|
||
| import java.time.Instant; | ||
| import java.util.Objects; | ||
|
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| public record NestedDetailRecord(float floatAttribute, Instant instantAttribute) { | ||
|
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| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) return true; | ||
| if (o == null || getClass() != o.getClass()) return false; | ||
| NestedDetailRecord that = (NestedDetailRecord) o; | ||
| return Float.compare(floatAttribute, that.floatAttribute) == 0 && Objects.equals(instantAttribute, that.instantAttribute); | ||
| } | ||
|
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(floatAttribute, instantAttribute); | ||
| } | ||
| } |
33 changes: 33 additions & 0 deletions
33
...rc/test/java/org/eclipse/persistence/testing/tests/junit/policies/NestedMasterRecord.java
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|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| /* | ||
| * Copyright (c) 2024 Oracle and/or its affiliates. All rights reserved. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License v. 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0, | ||
| * or the Eclipse Distribution License v. 1.0 which is available at | ||
| * http://www.eclipse.org/org/documents/edl-v10.php. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause | ||
| */ | ||
|
|
||
| // Contributors: | ||
| // Oracle - initial API and implementation | ||
| package org.eclipse.persistence.testing.tests.junit.policies; | ||
|
|
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| import java.util.Objects; | ||
|
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| public record NestedMasterRecord(int intAttribute, String stringAttribute, NestedDetailRecord nestedDetailRecord) { | ||
|
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| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) return true; | ||
| if (o == null || getClass() != o.getClass()) return false; | ||
| NestedMasterRecord that = (NestedMasterRecord) o; | ||
| return intAttribute == that.intAttribute && Objects.equals(stringAttribute, that.stringAttribute) && Objects.equals(nestedDetailRecord, that.nestedDetailRecord); | ||
| } | ||
|
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(intAttribute, stringAttribute, nestedDetailRecord); | ||
| } | ||
| } |
48 changes: 48 additions & 0 deletions
48
.../test/java/org/eclipse/persistence/testing/tests/junit/policies/RecordCopyPolicyTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| /* | ||
| * Copyright (c) 2024 Oracle and/or its affiliates. All rights reserved. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License v. 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0, | ||
| * or the Eclipse Distribution License v. 1.0 which is available at | ||
| * http://www.eclipse.org/org/documents/edl-v10.php. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause | ||
| */ | ||
|
|
||
| // Contributors: | ||
| // Oracle - initial API and implementation from Oracle TopLink | ||
| package org.eclipse.persistence.testing.tests.junit.policies; | ||
|
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| import org.eclipse.persistence.descriptors.copying.RecordCopyPolicy; | ||
| import org.junit.Test; | ||
|
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| import java.time.Instant; | ||
|
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| import static org.junit.Assert.assertEquals; | ||
|
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| public class RecordCopyPolicyTest { | ||
|
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| private final int INT_ATTR = 1; | ||
| private final String STRING_ATTR = "abcde"; | ||
| private final float FLOAT_ATTR = 1.1F; | ||
| private final Instant INSTANT_ATTR = Instant.parse("2024-05-27T10:15:30.00Z"); | ||
|
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| @Test | ||
| public void cloneNestedRecordTest() { | ||
| NestedDetailRecord nestedDetailRecord = new NestedDetailRecord(FLOAT_ATTR, INSTANT_ATTR); | ||
| NestedMasterRecord source = new NestedMasterRecord(INT_ATTR, STRING_ATTR, nestedDetailRecord); | ||
| RecordCopyPolicy recordCopyPolicy = new RecordCopyPolicy(); | ||
| NestedMasterRecord clone = (NestedMasterRecord)recordCopyPolicy.buildClone(source, null); | ||
| assertEquals(source, clone); | ||
| } | ||
|
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| @Test | ||
| public void cloneNestedRecordWithNullTest() { | ||
| NestedDetailRecord nestedDetailRecord = new NestedDetailRecord(FLOAT_ATTR, INSTANT_ATTR); | ||
| NestedMasterRecord source = new NestedMasterRecord(INT_ATTR, null, nestedDetailRecord); | ||
| RecordCopyPolicy recordCopyPolicy = new RecordCopyPolicy(); | ||
| NestedMasterRecord clone = (NestedMasterRecord)recordCopyPolicy.buildClone(source, null); | ||
| assertEquals(source, clone); | ||
| } | ||
| } |
59 changes: 59 additions & 0 deletions
59
...a/org/eclipse/persistence/testing/tests/junit/policies/RecordInstantiationPolicyTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| /* | ||
| * Copyright (c) 2024 Oracle and/or its affiliates. All rights reserved. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License v. 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0, | ||
| * or the Eclipse Distribution License v. 1.0 which is available at | ||
| * http://www.eclipse.org/org/documents/edl-v10.php. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause | ||
| */ | ||
|
|
||
| // Contributors: | ||
| // Oracle - initial API and implementation from Oracle TopLink | ||
| package org.eclipse.persistence.testing.tests.junit.policies; | ||
|
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| import org.eclipse.persistence.internal.descriptors.RecordInstantiationPolicy; | ||
| import org.junit.Test; | ||
|
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| import java.time.Instant; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
|
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| import static org.junit.Assert.assertEquals; | ||
| import static org.junit.Assert.assertNull; | ||
|
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| public class RecordInstantiationPolicyTest { | ||
|
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| private final float FLOAT_ATTR = 1.1F; | ||
| private final Instant INSTANT_ATTR = Instant.parse("2024-05-27T10:15:30.00Z"); | ||
|
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| @Test | ||
| public void newRecordTest() { | ||
| Class clazz = NestedDetailRecord.class; | ||
| //Values order is important. It must be same as order of Record attributes. | ||
| List values = new ArrayList<>(); | ||
| values.add(FLOAT_ATTR); | ||
| values.add(INSTANT_ATTR); | ||
| RecordInstantiationPolicy recordInstantiationPolicy = new RecordInstantiationPolicy(clazz); | ||
| recordInstantiationPolicy.setValues(values); | ||
| NestedDetailRecord nestedDetailRecord = (NestedDetailRecord) recordInstantiationPolicy.buildNewInstance(); | ||
| assertEquals(FLOAT_ATTR, nestedDetailRecord.floatAttribute(), 0); | ||
| assertEquals(INSTANT_ATTR, nestedDetailRecord.instantAttribute()); | ||
| } | ||
|
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| @Test | ||
| public void newRecordWithNullTest() { | ||
| Class clazz = NestedDetailRecord.class; | ||
| //Values order is important. It must be same as order of Record attributes. | ||
| List values = new ArrayList<>(); | ||
| values.add(FLOAT_ATTR); | ||
| values.add(null); | ||
| RecordInstantiationPolicy recordInstantiationPolicy = new RecordInstantiationPolicy(clazz); | ||
| recordInstantiationPolicy.setValues(values); | ||
| NestedDetailRecord nestedDetailRecord = (NestedDetailRecord) recordInstantiationPolicy.buildNewInstance(); | ||
| assertEquals(FLOAT_ATTR, nestedDetailRecord.floatAttribute(), 0); | ||
| assertNull(nestedDetailRecord.instantAttribute()); | ||
| } | ||
| } |
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65 changes: 65 additions & 0 deletions
65
...ence.core/src/main/java/org/eclipse/persistence/descriptors/copying/RecordCopyPolicy.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| /* | ||
| * Copyright (c) 2024 Oracle and/or its affiliates. All rights reserved. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License v. 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0, | ||
| * or the Eclipse Distribution License v. 1.0 which is available at | ||
| * http://www.eclipse.org/org/documents/edl-v10.php. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause | ||
| */ | ||
|
|
||
| // Contributors: | ||
| // Oracle - initial API and implementation from Oracle TopLink | ||
| package org.eclipse.persistence.descriptors.copying; | ||
|
|
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| import org.eclipse.persistence.exceptions.DescriptorException; | ||
| import org.eclipse.persistence.sessions.Session; | ||
|
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| import java.lang.reflect.Constructor; | ||
| import java.lang.reflect.RecordComponent; | ||
| import java.util.ArrayList; | ||
|
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| /** | ||
| * <p><b>Purpose</b>: This is the copy policy for {@code java.lang.Record}. | ||
| * <p> | ||
| * It creates a copy by creating a new instance. As {@code java.lang.Record} is immutable | ||
| * all cloned attributes must be collected and passed to the constructor. | ||
| */ | ||
| public class RecordCopyPolicy extends AbstractCopyPolicy { | ||
| public RecordCopyPolicy() { | ||
| super(); | ||
| } | ||
|
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| @Override | ||
| public Object buildClone(Object domainObject, Session session) throws DescriptorException { | ||
| return cloneRecord((Record) domainObject); | ||
| } | ||
|
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| @Override | ||
| public boolean buildsNewInstance() { | ||
| return true; | ||
| } | ||
|
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| //There is limited functionality some complex nested objects shouldn't be cloned. | ||
| private <R extends Record> R cloneRecord(R template) { | ||
| try { | ||
| ArrayList<Class<?>> types = new ArrayList<>(); | ||
| ArrayList values = new ArrayList<>(); | ||
| for (RecordComponent component : template.getClass().getRecordComponents()) { | ||
| types.add(component.getType()); | ||
| Object value = component.getAccessor().invoke(template); | ||
| if (value instanceof Record) { | ||
| value = cloneRecord((Record) value); | ||
| } | ||
| values.add(value); | ||
| } | ||
| Constructor<? extends Record> canonical = template.getClass().getDeclaredConstructor(types.toArray(Class[]::new)); | ||
| var result = (R) canonical.newInstance(values.toArray(Object[]::new)); | ||
| return result; | ||
| } catch (ReflectiveOperationException e) { | ||
| throw new RuntimeException("Record clone failed: " + e, e); | ||
| } | ||
| } | ||
| } |
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