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IntegerBinding.java

00001 /*-
00002  * See the file LICENSE for redistribution information.
00003  *
00004  * Copyright (c) 2000-2005
00005  *      Sleepycat Software.  All rights reserved.
00006  *
00007  * $Id: IntegerBinding.java,v 12.2 2005/08/01 20:25:14 mark Exp $
00008  */
00009 
00010 package com.sleepycat.bind.tuple;
00011 
00012 import com.sleepycat.db.DatabaseEntry;
00013 
00029 public class IntegerBinding extends TupleBinding {
00030 
00031     private static final int INT_SIZE = 4;
00032 
00033     // javadoc is inherited
00034     public Object entryToObject(TupleInput input) {
00035 
00036         return new Integer(input.readInt());
00037     }
00038 
00039     // javadoc is inherited
00040     public void objectToEntry(Object object, TupleOutput output) {
00041 
00042         output.writeInt(((Number) object).intValue());
00043     }
00044 
00045     // javadoc is inherited
00046     protected TupleOutput getTupleOutput(Object object) {
00047 
00048         return sizedOutput();
00049     }
00050 
00058     public static int entryToInt(DatabaseEntry entry) {
00059 
00060         return entryToInput(entry).readInt();
00061     }
00062 
00070     public static void intToEntry(int val, DatabaseEntry entry) {
00071 
00072         outputToEntry(sizedOutput().writeInt(val), entry);
00073     }
00074 
00079     private static TupleOutput sizedOutput() {
00080 
00081         return new TupleOutput(new byte[INT_SIZE]);
00082     }
00083 }

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