ClusterState.java

package org.act.tstream.cluster;

import java.util.List;
import java.util.UUID;

import org.act.tstream.callback.ClusterStateCallback;


/**
 * All ZK interface
 * 
 * @author yannian
 * 
 */
public interface ClusterState {
	public void set_ephemeral_node(String path, byte[] data) throws Exception;

	public void delete_node(String path) throws Exception;

	public void set_data(String path, byte[] data) throws Exception;

	public byte[] get_data(String path, boolean watch) throws Exception;

	public List<String> get_children(String path, boolean watch)
			throws Exception;

	public void mkdirs(String path) throws Exception;

	public void tryToBeLeader(String path, byte[] host) throws Exception;

	public void close();

	public UUID register(ClusterStateCallback callback);

	public ClusterStateCallback unregister(UUID id);

	public boolean node_existed(String path, boolean watch) throws Exception;
}