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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.tasks;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.ActionResponse;
import org.elasticsearch.action.FailedNodeException;
import org.elasticsearch.action.TaskOperationFailure;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.tasks.TaskId;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.stream.Stream;
import static java.util.stream.Collectors.toList;
import static org.elasticsearch.ExceptionsHelper.rethrowAndSuppress;
/**
* Base class for responses of task-related operations
*/
public class BaseTasksResponse extends ActionResponse {
protected static final String TASK_FAILURES = "task_failures";
protected static final String NODE_FAILURES = "node_failures";
private List taskFailures;
private List nodeFailures;
public BaseTasksResponse(List taskFailures, List nodeFailures) {
this.taskFailures = taskFailures == null ? Collections.emptyList() : Collections.unmodifiableList(new ArrayList<>(taskFailures));
this.nodeFailures = nodeFailures == null ? Collections.emptyList() : Collections.unmodifiableList(new ArrayList<>(nodeFailures));
}
public BaseTasksResponse(StreamInput in) throws IOException {
super(in);
int size = in.readVInt();
List taskFailures = new ArrayList<>(size);
for (int i = 0; i < size; i++) {
taskFailures.add(new TaskOperationFailure(in));
}
size = in.readVInt();
this.taskFailures = Collections.unmodifiableList(taskFailures);
List nodeFailures = new ArrayList<>(size);
for (int i = 0; i < size; i++) {
nodeFailures.add(new FailedNodeException(in));
}
this.nodeFailures = Collections.unmodifiableList(nodeFailures);
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeVInt(taskFailures.size());
for (TaskOperationFailure exp : taskFailures) {
exp.writeTo(out);
}
out.writeVInt(nodeFailures.size());
for (ElasticsearchException exp : nodeFailures) {
exp.writeTo(out);
}
}
/**
* The list of task failures exception.
*/
public List getTaskFailures() {
return taskFailures;
}
/**
* The list of node failures exception.
*/
public List getNodeFailures() {
return nodeFailures;
}
/**
* Rethrow task failures if there are any.
*/
public void rethrowFailures(String operationName) {
rethrowAndSuppress(Stream.concat(
getNodeFailures().stream(),
getTaskFailures().stream().map(f -> new ElasticsearchException(
"{} of [{}] failed", f.getCause(), operationName, new TaskId(f.getNodeId(), f.getTaskId()))))
.collect(toList()));
}
protected void toXContentCommon(XContentBuilder builder, ToXContent.Params params) throws IOException {
if (getTaskFailures() != null && getTaskFailures().size() > 0) {
builder.startArray(TASK_FAILURES);
for (TaskOperationFailure ex : getTaskFailures()){
builder.startObject();
builder.value(ex);
builder.endObject();
}
builder.endArray();
}
if (getNodeFailures() != null && getNodeFailures().size() > 0) {
builder.startArray(NODE_FAILURES);
for (ElasticsearchException ex : getNodeFailures()) {
builder.startObject();
ex.toXContent(builder, params);
builder.endObject();
}
builder.endArray();
}
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
BaseTasksResponse response = (BaseTasksResponse) o;
return taskFailures.equals(response.taskFailures)
&& nodeFailures.equals(response.nodeFailures);
}
@Override
public int hashCode() {
return Objects.hash(taskFailures, nodeFailures);
}
}