org.apache.spark.network.protocol.RpcFailure Maven / Gradle / Ivy
/*
* 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.spark.network.protocol;
import com.google.common.base.Objects;
import io.netty.buffer.ByteBuf;
/** Response to {@link RpcRequest} for a failed RPC. */
public final class RpcFailure extends AbstractMessage implements ResponseMessage {
public final long requestId;
public final String errorString;
public RpcFailure(long requestId, String errorString) {
this.requestId = requestId;
this.errorString = errorString;
}
@Override
public Type type() { return Type.RpcFailure; }
@Override
public int encodedLength() {
return 8 + Encoders.Strings.encodedLength(errorString);
}
@Override
public void encode(ByteBuf buf) {
buf.writeLong(requestId);
Encoders.Strings.encode(buf, errorString);
}
public static RpcFailure decode(ByteBuf buf) {
long requestId = buf.readLong();
String errorString = Encoders.Strings.decode(buf);
return new RpcFailure(requestId, errorString);
}
@Override
public int hashCode() {
return Objects.hashCode(requestId, errorString);
}
@Override
public boolean equals(Object other) {
if (other instanceof RpcFailure) {
RpcFailure o = (RpcFailure) other;
return requestId == o.requestId && errorString.equals(o.errorString);
}
return false;
}
@Override
public String toString() {
return Objects.toStringHelper(this)
.add("requestId", requestId)
.add("errorString", errorString)
.toString();
}
}