| /*
|
| * Copyright 1999-2011 Alibaba Group.
|
| *
|
| * 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 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 |
| * @author qian.lei |
| * @author william.liangf |
| */ |
| public interface Invocation {
|
| |
| /** |
| * get method name. |
| *
|
| * @serial |
| * @return method name. |
| */ |
| String getMethodName(); |
| |
| /** |
| * get parameter types. |
| *
|
| * @serial |
| * @return parameter types. |
| */ |
| Class<?>[] getParameterTypes(); |
| |
| /** |
| * get arguments. |
| *
|
| * @serial |
| * @return arguments. |
| */ |
| Object[] getArguments(); |
| |
| /** |
| * get attachments. |
| *
|
| * @serial |
| * @return attachments. |
| */ |
| Map<String, String> getAttachments();
|
|
|
| /**
|
| * get attachment by key.
|
| *
|
| * @serial
|
| * @return attachment value.
|
| */
|
| String getAttachment(String key);
|
|
|
| /**
|
| * get attachment by key with default value.
|
| *
|
| * @serial
|
| * @return attachment value.
|
| */
|
| String getAttachment(String key, String defaultValue);
|
|
|
| /**
|
| * get the invoker in current context.
|
| *
|
| * @transient
|
| * @return invoker.
|
| */
|
| Invoker<?> getInvoker();
|
| |
| } |