org.apache.openjpa.persistence.ConnectionRetainMode Maven / Gradle / Ivy
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* 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
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*/
package org.apache.openjpa.persistence;
import org.apache.openjpa.kernel.ConnectionRetainModes;
/**
* The possible values for use when configuring the connection retain
* behavior for an {@link OpenJPAEntityManager}.
*
* @since 1.0.0
* @published
*/
public enum ConnectionRetainMode {
ON_DEMAND(ConnectionRetainModes.CONN_RETAIN_DEMAND),
TRANSACTION(ConnectionRetainModes.CONN_RETAIN_TRANS),
ALWAYS(ConnectionRetainModes.CONN_RETAIN_ALWAYS);
private final int connectionRetainConstant;
private ConnectionRetainMode(int value) {
connectionRetainConstant = value;
}
int toKernelConstant() {
return connectionRetainConstant;
}
static ConnectionRetainMode fromKernelConstant(int kernelConstant) {
switch (kernelConstant) {
case ConnectionRetainModes.CONN_RETAIN_DEMAND:
return ON_DEMAND;
case ConnectionRetainModes.CONN_RETAIN_ALWAYS:
return ALWAYS;
case ConnectionRetainModes.CONN_RETAIN_TRANS:
return TRANSACTION;
default:
throw new IllegalArgumentException(kernelConstant + "");
}
}
}