com.db4o.TreeIntObject Maven / Gradle / Ivy
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/* Copyright (C) 2004 - 2005 db4objects Inc. http://www.db4o.com
This file is part of the db4o open source object database.
db4o is free software; you can redistribute it and/or modify it under
the terms of version 2 of the GNU General Public License as published
by the Free Software Foundation and as clarified by db4objects' GPL
interpretation policy, available at
http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
Suite 350, San Mateo, CA 94403, USA.
db4o 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. */
package com.db4o;
/**
*/
public class TreeIntObject extends TreeInt{
public Object i_object;
public TreeIntObject(int a_key){
super(a_key);
}
TreeIntObject(int a_key, Object a_object){
super(a_key);
i_object = a_object;
}
public Object read(YapReader a_bytes){
int key = a_bytes.readInt();
Object obj = null;
if(i_object instanceof Tree){
obj = new TreeReader(a_bytes, (Tree)i_object).read();
}else{
obj = ((Readable)i_object).read(a_bytes);
}
return new TreeIntObject(key, obj);
}
public void write(YapWriter a_writer){
a_writer.writeInt(i_key);
if(i_object == null){
a_writer.writeInt(0);
}else{
if(i_object instanceof Tree){
Tree.write(a_writer, (Tree)i_object);
}else{
((ReadWriteable)i_object).write(a_writer);
}
}
}
public int ownLength(){
if(i_object == null){
return YapConst.YAPINT_LENGTH * 2;
}else{
return YapConst.YAPINT_LENGTH + ((Readable)i_object).byteCount();
}
}
boolean variableLength(){
return true;
}
}