view src/treecms/proto/cassandra/CassDecNodeID.java @ 45:347feeca4728

added CassDecNodeID
author shoshi
date Sat, 22 Jan 2011 00:33:46 +0900
parents
children a72718a0bccf
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package treecms.proto.cassandra;

import java.util.UUID;

import treecms.proto.api.NodeID;
import treecms.proto.id.DecrementalNodeID;

public class CassDecNodeID extends DecrementalNodeID
{
	private String m_uuid;
	private long m_version;
	
	private CassBrowser m_cassandra;
	
	public CassDecNodeID(CassBrowser _browser)
	{
		m_uuid = UUID.randomUUID().toString();
		m_version = START_VALUE;
		m_cassandra = _browser;
	}
	
	public CassDecNodeID(CassBrowser _browser,String _uuid,long _version)
	{
		m_cassandra = _browser;
		m_uuid = _uuid;
		m_version = _version;
	}

	@Override
	public NodeID create()
	{
		return new CassDecNodeID(m_cassandra);
	}

	@Override
	public NodeID getTip()
	{
		return m_cassandra.getTipIDFromUUID(m_uuid);
	}

	@Override
	public String getUUID()
	{
		return m_uuid;
	}

	@Override
	public String getVersion()
	{
		return Long.toString(m_version);
	}

	@Override
	public NodeID update()
	{
		return null;
	}
}