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AutoRollbackType.java
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AutoRollbackType.java
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/*
* Copyright (c) 2000, 2017 Oracle and/or its affiliates. All rights reserved.
* Copyright 2021, 2022 Contributors to the Eclipse Foundation
*
* 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.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.messaging.jmq.jmsserver.data;
import java.io.Serializable;
import java.io.ObjectStreamException;
public class AutoRollbackType implements Serializable {
static final long serialVersionUID = -6704477057825567951L;
/**
* descriptive string associated with the type
*/
private final String name;
/**
* int value for the state used when reading/writing the client->broker protocol.
*/
private final int value;
/**
* value for ROLLBACK_ALL used with the protocol.
*/
private static final int I_ROLLBACK_ALL = 1;
/**
* value for ROLLBACK_NOT_PREPARED used with the protocol.
*/
private static final int I_ROLLBACK_NOT_PREPARED = 2;
/**
* value for ROLLBACK_NEVER used with the protocol.
*/
private static final int I_ROLLBACK_NEVER = 3;
/**
* mapping of type (int) values to AutoRollbackType
*/
private static AutoRollbackType[] bs = new AutoRollbackType[3];
/**
* private constructor for AutoRollbackType
*/
private AutoRollbackType(String name, int value) {
this.name = name;
this.value = value;
bs[value - 1] = this;
}
/**
* method which takes an int (retrieved from the persistent store) and converts it to a state
*/
public static AutoRollbackType getType(int value) {
return bs[value - 1];
}
/**
* method which returns the int value associated with the state. This method should only be used when the state written
* to or read from the protocol.
*/
public int intValue() {
return value;
}
/**
* a string representation of the object
*/
@Override
public String toString() {
return "AutoRollbackType[" + name + "]";
}
/**
* Rollback a transaction of this type when the broker is restarted.
*/
public static final AutoRollbackType ALL = new AutoRollbackType("ALL", I_ROLLBACK_ALL);
/**
* Rollback a transaction of this type if it is not in PREPARED when the broker is restarted.
*/
public static final AutoRollbackType NOT_PREPARED = new AutoRollbackType("NOT_PREPARED", I_ROLLBACK_NOT_PREPARED);
/**
* Never rollback a transaction of this type when the broker is restarted. The transaction must be COMMITTED, ROLLEDBACK
* or it must timeout.
*/
public static final AutoRollbackType NEVER = new AutoRollbackType("NEVER", I_ROLLBACK_NEVER);
Object readResolve() throws ObjectStreamException {
return getType(value);
}
}