/* | |
* 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; | |
import java.util.EnumSet; | |
import org.apache.openjpa.kernel.AutoDetach; | |
/** | |
* The possible settings for the auto-detach behavior of an | |
* {@link OpenJPAEntityManager}. | |
* | |
* @since 1.0.0 | |
* @published | |
*/ | |
public enum AutoDetachType { | |
CLOSE(AutoDetach.DETACH_CLOSE), | |
COMMIT(AutoDetach.DETACH_COMMIT), | |
NON_TRANSACTIONAL_READ(AutoDetach.DETACH_NONTXREAD), | |
ROLLBACK(AutoDetach.DETACH_ROLLBACK); | |
private final int autoDetachConstant; | |
private AutoDetachType(int value) { | |
autoDetachConstant = value; | |
} | |
public static EnumSet<AutoDetachType> toEnumSet(int autoDetach) { | |
EnumSet<AutoDetachType> types = EnumSet.noneOf(AutoDetachType.class); | |
if ((autoDetach & AutoDetach.DETACH_CLOSE) != 0) | |
types.add(CLOSE); | |
if ((autoDetach & AutoDetach.DETACH_COMMIT) != 0) | |
types.add(COMMIT); | |
if ((autoDetach & AutoDetach.DETACH_NONTXREAD) != 0) | |
types.add(NON_TRANSACTIONAL_READ); | |
if ((autoDetach & AutoDetach.DETACH_ROLLBACK) != 0) | |
types.add(ROLLBACK); | |
return types; | |
} | |
public static int fromEnumSet(EnumSet<AutoDetachType> types) { | |
int autoDetach = 0; | |
for (AutoDetachType type : types) | |
autoDetach |= type.autoDetachConstant; | |
return autoDetach; | |
} | |
} |