package us.jubat.common;

import java.net.UnknownHostException;
import java.util.Map;

import org.msgpack.rpc.Client;
import org.msgpack.rpc.Future;
import org.msgpack.rpc.error.RemoteError;
import org.msgpack.rpc.loop.EventLoop;
import org.msgpack.type.Value;

import us.jubat.common.type.TBool;
import us.jubat.common.type.TMap;
import us.jubat.common.type.TString;
import us.jubat.common.type.TType;

public class ClientBase {
	private Client client;
	protected String name;

	public ClientBase(String host, int port, String name, int timeoutSec)
			throws UnknownHostException {
		EventLoop loop = EventLoop.defaultEventLoop();
		this.client = new Client(host, port, loop);
		this.client.setRequestTimeout(timeoutSec);
		this.name = name;
	}

	public <T> T call(String method, TType<T> returnType, Object... args) {
		Object[] arguments = new Object[args.length + 1];
		arguments[0] = this.name;
		for (int i = 0; i < args.length; ++i) {
			arguments[i + 1] = args[i];
		}
		Future<Value> future = this.client.callAsyncApply(method, arguments);
		try {
			future.join();
			if (future.getError() != null) {
				throw translateError(future.getError());
			} else {
				Value result = future.get();
				return returnType.revert(result);
			}
		} catch (InterruptedException e) {
			// TODO
			throw new RemoteError();
		}
	}

	public String getConfig() {
		return this.call("get_config", TString.instance);
	}

	public boolean save(String id) {
		TString.instance.check(id);
		return this.call("save", TBool.instance, id);
	}

	public boolean load(String id) {
		TString.instance.check(id);
		return this.call("load", TBool.instance, id);
	}

	public Map<String, Map<String, String>> getStatus() {
		return this.call(
				"get_status",
				TMap.create(TString.instance,
						TMap.create(TString.instance, TString.instance)));
	}

	public Client getClient() {
		return client;
	}

	private RuntimeException translateError(Value error) {
		if (error.isIntegerValue()) {
			int value = error.asIntegerValue().getInt();
			if (value == 1) {
				return new UnknownMethod();
			} else if (value == 2) {
				return new TypeMismatch();
			}
		}
		return null;
	}
}

package us.jubat.common;

import java.net.UnknownHostException;
import java.util.Map;

import org.msgpack.rpc.Client;
import org.msgpack.rpc.Future;
import org.msgpack.rpc.error.RemoteError;
import org.msgpack.rpc.loop.EventLoop;
import org.msgpack.type.Value;

import us.jubat.common.type.TBool;
import us.jubat.common.type.TMap;
import us.jubat.common.type.TString;
import us.jubat.common.type.TType;

public class ClientBase {
	private Client client;
	protected String name;

	public ClientBase(String host, int port, String name, int timeoutSec)
			throws UnknownHostException {
		EventLoop loop = EventLoop.defaultEventLoop();
		this.client = new Client(host, port, loop);
		this.client.setRequestTimeout(timeoutSec);
		this.name = name;
	}

	public <T> T call(String method, TType<T> returnType, Object... args) {
		Object[] arguments = new Object[args.length + 1];
		arguments[0] = this.name;
		for (int i = 0; i < args.length; ++i) {
			arguments[i + 1] = args[i];
		}
		Future<Value> future = this.client.callAsyncApply(method, arguments);
		try {
			future.join();
			if (future.getError() != null) {
				throw translateError(future.getError());
			} else {
				Value result = future.get();
				return returnType.revert(result);
			}
		} catch (InterruptedException e) {
			// TODO
			throw new RemoteError();
		}
	}

	public String getConfig() {
		return this.call("get_config", TString.instance);
	}

	public boolean save(String id) {
		TString.instance.check(id);
		return this.call("save", TBool.instance, id);
	}

	public boolean load(String id) {
		TString.instance.check(id);
		return this.call("load", TBool.instance, id);
	}

	public Map<String, Map<String, String>> getStatus() {
		return this.call(
				"get_status",
				TMap.create(TString.instance,
						TMap.create(TString.instance, TString.instance)));
	}

	public Client getClient() {
		return client;
	}

	private RuntimeException translateError(Value error) {
		if (error.isIntegerValue()) {
			int value = error.asIntegerValue().getInt();
			if (value == 1) {
				return new UnknownMethod();
			} else if (value == 2) {
				return new TypeMismatch();
			}
		}
		return new RemoteError(error);
	}
}

Fix error handler