/* | |
* Licensed to the Apache Software Foundation (ASF) under one or more | |
* contributor license agreements. See the NOTICE file distributed with | |
* this work for additional information regarding copyright ownership. | |
* The ASF licenses this file to You 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 com.alibaba.dubbo.rpc; | |
import java.util.Map; | |
/** | |
* Invocation. (API, Prototype, NonThreadSafe) | |
* | |
* @serial Don't change the class name and package name. | |
* @see com.alibaba.dubbo.rpc.Invoker#invoke(Invocation) | |
* @see com.alibaba.dubbo.rpc.RpcInvocation | |
*/ | |
public interface Invocation { | |
/** | |
* get method name. | |
* | |
* @return method name. | |
* @serial | |
*/ | |
String getMethodName(); | |
/** | |
* get parameter types. | |
* | |
* @return parameter types. | |
* @serial | |
*/ | |
Class<?>[] getParameterTypes(); | |
/** | |
* get arguments. | |
* | |
* @return arguments. | |
* @serial | |
*/ | |
Object[] getArguments(); | |
/** | |
* get attachments. | |
* | |
* @return attachments. | |
* @serial | |
*/ | |
Map<String, String> getAttachments(); | |
/** | |
* get attachment by key. | |
* | |
* @return attachment value. | |
* @serial | |
*/ | |
String getAttachment(String key); | |
/** | |
* get attachment by key with default value. | |
* | |
* @return attachment value. | |
* @serial | |
*/ | |
String getAttachment(String key, String defaultValue); | |
/** | |
* get the invoker in current context. | |
* | |
* @return invoker. | |
* @transient | |
*/ | |
Invoker<?> getInvoker(); | |
} |