hadoop RpcMessage 源码
haddop RpcMessage 代码
文件路径：/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/oncrpc/RpcMessage.java
/**
* 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 org.apache.hadoop.oncrpc;
/**
* Represent an RPC message as defined in RFC 1831.
*/
public abstract class RpcMessage {
/** Message type */
public enum Type {
// the order of the values below are significant.
RPC_CALL,
RPC_REPLY;
public int getValue() {
return ordinal();
}
public static Type fromValue(int value) {
if (value < 0 || value >= values().length) {
return null;
}
return values()[value];
}
}
protected final int xid;
protected final Type messageType;
RpcMessage(int xid, Type messageType) {
if (messageType != Type.RPC_CALL && messageType != Type.RPC_REPLY) {
throw new IllegalArgumentException("Invalid message type " + messageType);
}
this.xid = xid;
this.messageType = messageType;
}
public abstract XDR write(XDR xdr);
public int getXid() {
return xid;
}
public Type getMessageType() {
return messageType;
}
protected void validateMessageType(Type expected) {
if (expected != messageType) {
throw new IllegalArgumentException("Message type is expected to be "
+ expected + " but got " + messageType);
}
}
}
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
7、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦