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//----------------------------------------------------------------------------
//
// Module: LogRestartDescriptor.java
//
// Description: Log restart record.
//
// Product: com.sun.jts.CosTransactions
//
// Author: Simon Holdsworth
//
// Date: March, 1997
//
// Copyright (c): 1995-1997 IBM Corp.
//
// The source code for this program is not published or otherwise divested
// of its trade secrets, irrespective of what has been deposited with the
// U.S. Copyright Office.
//
// This software contains confidential and proprietary information of
// IBM Corp.
//----------------------------------------------------------------------------
package com.sun.jts.CosTransactions;
import java.io.*;
/**
* A class containing restart information.
*
* @version 0.01
*
* @author Simon Holdsworth, IBM Corporation
*
* @see LogHandle
*/
class LogRestartDescriptor implements Serializable {
/**
*This constant holds the size of the LogRestartDecriptor object.
*/
final static int SIZEOF = 12;
int restartValid = 0;
int restartDataLength = 0;
int timeStamp = 0;
/**
* Default LogRestartDescriptor constructor.
*
* @param
*
* @return
*
* @see
*/
LogRestartDescriptor() {}
/**
* Constructs a LogRestartDescriptor from the given byte array.
*
* @param bytes The array of bytes from which the object is
* to be constructed.
* @param index The index in the array where copy is to start.
*
* @return
*
* @see
*/
LogRestartDescriptor(byte[] bytes, int index) {
restartValid = (bytes[index++]&255) +
((bytes[index++]&255) << 8) +
((bytes[index++]&255) << 16) +
((bytes[index++]&255) << 24);
restartDataLength = (bytes[index++]&255) +
((bytes[index++]&255) << 8) +
((bytes[index++]&255) << 16) +
((bytes[index++]&255) << 24);
timeStamp = (bytes[index++]&255) +
((bytes[index++]&255) << 8) +
((bytes[index++]&255) << 16) +
((bytes[index++]&255) << 24);
}
/**
* Makes a byte representation of the LogRestartDescriptor.
*
* @param bytes The array of bytes into which the object is to be copied.
* @param index The index in the array where copy is to start.
*
* @return Number of bytes copied.
*
* @see
*/
final int toBytes(byte[] bytes, int index) {
bytes[index++] = (byte) restartValid;
bytes[index++] = (byte)(restartValid >> 8);
bytes[index++] = (byte)(restartValid >> 16);
bytes[index++] = (byte)(restartValid >> 24);
bytes[index++] = (byte) restartDataLength;
bytes[index++] = (byte)(restartDataLength >> 8);
bytes[index++] = (byte)(restartDataLength >> 16);
bytes[index++] = (byte)(restartDataLength >> 24);
bytes[index++] = (byte) timeStamp;
bytes[index++] = (byte)(timeStamp >> 8);
bytes[index++] = (byte)(timeStamp >> 16);
bytes[index++] = (byte)(timeStamp >> 24);
return SIZEOF;
}
/**
* Determines whether the target object is equal to the parameter.
*
* @param other The other LogRestartDescriptor to be compared.
*
* @return Indicates whether the objects are equal.
*
* @see
*/
final boolean equals(LogRestartDescriptor other) {
return (restartValid == other.restartValid &&
restartDataLength == other.restartDataLength &&
timeStamp == other.timeStamp);
}
/**
* This method is called to direct the object to format its state
* to a String.
*
* @param
*
* @return The formatted representation of the object.
*
* @see
*/
public final String toString() {
return "LRD(valid="/*#Frozen*/ + restartValid +
",len="/*#Frozen*/ + restartDataLength +
",time="/*#Frozen*/ + timeStamp + ")"/*#Frozen*/;
}
}