/**
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;
}
}