mq5.0-source.main.mq-broker.broker-core.src.main.java.com.sun.messaging.jmq.jmsserver.data.AutoRollbackType Maven / Gradle / Ivy
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/*
* @(#)AutoRollbackType.java 1.6 06/28/07
*/
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 final 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
*/
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);
}
}