/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2000,2008 Oracle. All rights reserved.
*
* $Id: LongBinding.java,v 12.7 2008/01/08 20:58:36 bostic Exp $
*/
package com.sleepycat.bind.tuple;
import com.sleepycat.db.DatabaseEntry;
/**
* A concrete TupleBinding
for a Long
primitive
* wrapper or a long
primitive.
*
*
There are two ways to use this class:
*long
value.
*
* @param entry is the source entry buffer.
*
* @return the resulting value.
*/
public static long entryToLong(DatabaseEntry entry) {
return entryToInput(entry).readLong();
}
/**
* Converts a simple long
value into an entry buffer.
*
* @param val is the source value.
*
* @param entry is the destination entry buffer.
*/
public static void longToEntry(long val, DatabaseEntry entry) {
outputToEntry(sizedOutput().writeLong(val), entry);
}
/**
* Returns a tuple output object of the exact size needed, to avoid
* wasting space when a single primitive is output.
*/
private static TupleOutput sizedOutput() {
return new TupleOutput(new byte[LONG_SIZE]);
}
}