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//
// MessagePack-RPC for Java
//
// Copyright (C) 2010 FURUHASHI Sadayuki
//
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
//
//        http://www.apache.org/licenses/LICENSE-2.0
//
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.
//
package org.msgpack.rpc.reflect;

import org.msgpack.MessagePack;

import java.util.Map;
import java.util.HashMap;
import java.lang.reflect.Method;

public class Reflect {
    /*
     * private static final Reflect instance = new Reflect();
     * 
     * public static  Proxy reflectProxy(Class iface) { return
     * instance.getProxy(iface); }
     * 
     * public static Invoker reflectInvoker(Method method) { return
     * instance.getInvoker(method); }
     */

    private Map, Proxy> proxyCache = new HashMap, Proxy>();

    private Map invokerCache = new HashMap();

    private InvokerBuilder invokerBuilder;
    private ProxyBuilder proxyBuilder;

    public Reflect(MessagePack messagePack) {
        invokerBuilder = new ReflectionInvokerBuilder(messagePack);
        proxyBuilder = new ReflectionProxyBuilder(messagePack);
    }

    public Reflect( InvokerBuilder invokerBuilder,ProxyBuilder proxyBuilder) {
        this.invokerBuilder = invokerBuilder;
        this.proxyBuilder = proxyBuilder;
    }

    public synchronized  Proxy getProxy(Class iface) {
        Proxy proxy = proxyCache.get(iface);
        if (proxy == null) {
            proxy = proxyBuilder.buildProxy(iface);// ProxyBuilder.build(iface);
            proxyCache.put(iface, proxy);
        }
        return (Proxy) proxy;
    }

    public synchronized Invoker getInvoker(Method method) {
        Invoker invoker = invokerCache.get(method);
        if (invoker == null) {
            invoker = invokerBuilder.buildInvoker(method);
            invokerCache.put(method, invoker);
        }
        return invoker;
    }
}