/** Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved. Contact: SYSTAP, LLC DBA Blazegraph 2501 Calvert ST NW #106 Washington, DC 20008 licenses@blazegraph.com This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* * Created on Nov 15, 2006 */ package com.bigdata.btree; import java.io.Serializable; import com.bigdata.io.SerializerUtil; /** * Test helper provides an entry (aka value) for a {@link Leaf}. * * @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a> * @version $Id$ */ public class SimpleEntry implements Serializable { /** * */ private static final long serialVersionUID = 1L; private transient static int nextId = 1; private final int id; /** * Create a new entry. */ public SimpleEntry() { id = nextId++; } public SimpleEntry(int id){ this.id = id; } public int id() { return id; } public String toString() { return ""+id; } /** * Note: <code>equals</code> has been overriden to transparently * de-serialize the given object when it is a <code>byte[]</code>. This * is a hack that provides backwards compatibility for some of the unit * tests when assume that objects (and not byte[]s) are stored in the * B+Tree and visited by the {@link ITupleIterator}. */ public boolean equals(Object o) { if( this == o ) return true; if( o == null ) return false; if(o instanceof ITuple) { // hack to convert return from IEntryIterator to byte[]. o = ((ITuple)o).getValue(); } if(o instanceof byte[]) { // hack to deserialize a byte[]. return id == ((SimpleEntry) SerializerUtil.deserialize((byte[])o)).id; } return id == ((SimpleEntry)o).id; } }