org.elasticsearch.action.support.broadcast.BroadcastResponse Maven / Gradle / Ivy
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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.action.support.broadcast;
import org.elasticsearch.action.ActionResponse;
import org.elasticsearch.action.ShardOperationFailedException;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.rest.RestStatus;
import org.elasticsearch.index.shard.ShardNotFoundException;
import java.io.IOException;
import java.util.List;
import static org.elasticsearch.action.support.DefaultShardOperationFailedException.readShardOperationFailed;
/**
* Base class for all broadcast operation based responses.
*/
public class BroadcastResponse extends ActionResponse {
private static final ShardOperationFailedException[] EMPTY = new ShardOperationFailedException[0];
private int totalShards;
private int successfulShards;
private int failedShards;
private ShardOperationFailedException[] shardFailures = EMPTY;
public BroadcastResponse() {
}
public BroadcastResponse(int totalShards, int successfulShards, int failedShards,
List shardFailures) {
assertNoShardNotAvailableFailures(shardFailures);
this.totalShards = totalShards;
this.successfulShards = successfulShards;
this.failedShards = failedShards;
this.shardFailures = shardFailures == null ? EMPTY :
shardFailures.toArray(new ShardOperationFailedException[shardFailures.size()]);
}
private void assertNoShardNotAvailableFailures(List shardFailures) {
if (shardFailures != null) {
for (Object e : shardFailures) {
assert (e instanceof ShardNotFoundException) == false : "expected no ShardNotFoundException failures, but got " + e;
}
}
}
/**
* The total shards this request ran against.
*/
public int getTotalShards() {
return totalShards;
}
/**
* The successful shards this request was executed on.
*/
public int getSuccessfulShards() {
return successfulShards;
}
/**
* The failed shards this request was executed on.
*/
public int getFailedShards() {
return failedShards;
}
/**
* The REST status that should be used for the response
*/
public RestStatus getStatus() {
if (failedShards > 0) {
return shardFailures[0].status();
} else {
return RestStatus.OK;
}
}
/**
* The list of shard failures exception.
*/
public ShardOperationFailedException[] getShardFailures() {
return shardFailures;
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
totalShards = in.readVInt();
successfulShards = in.readVInt();
failedShards = in.readVInt();
int size = in.readVInt();
if (size > 0) {
shardFailures = new ShardOperationFailedException[size];
for (int i = 0; i < size; i++) {
shardFailures[i] = readShardOperationFailed(in);
}
}
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeVInt(totalShards);
out.writeVInt(successfulShards);
out.writeVInt(failedShards);
out.writeVInt(shardFailures.length);
for (ShardOperationFailedException exp : shardFailures) {
exp.writeTo(out);
}
}
}