/*
* Copyright 2010 NCHOVY
*
* 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.krakenapps.rpc.impl;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import org.krakenapps.rpc.RpcMethod;
import org.krakenapps.rpc.RpcService;
import org.krakenapps.rpc.RpcServiceBinding;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class RpcServiceBindingImpl implements RpcServiceBinding {
private final Logger logger = LoggerFactory.getLogger(RpcServiceBindingImpl.class.getName());
private String serviceName;
// rpc method annotation mapping
private Map<String, Method> methodMap;
private RpcService service;
public RpcServiceBindingImpl(String serviceName, RpcService service) {
this.serviceName = serviceName;
this.service = service;
registerMethods();
}
@Override
public String getName() {
return serviceName;
}
public RpcService getService() {
return service;
}
public Method getMethod(String name) {
return methodMap.get(name);
}
private void registerMethods() {
methodMap = new HashMap<String, Method>();
Method[] methods = service.getClass().getDeclaredMethods();
for (Method m : methods) {
RpcMethod rpcMethod = m.getAnnotation(RpcMethod.class);
if (rpcMethod == null)
continue;
if (methodMap.containsKey(rpcMethod.name()))
throw new IllegalStateException("duplicated rpc method name found: " + rpcMethod.name());
logger.trace("kraken-rpc: binding rpc method [{}], class=[{}]", rpcMethod.name(), service.getClass()
.getName());
methodMap.put(rpcMethod.name(), m);
}
}
@Override
public String toString() {
return String.format("name=%s, class=%s", getName(), service.getClass().getName());
}
}