/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.executor.transport;
import com.carrotsearch.hppc.IntArrayList;
import com.google.common.base.MoreObjects;
import org.elasticsearch.action.support.WriteResponse;
import org.elasticsearch.action.support.replication.ReplicationResponse;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Streamable;
import javax.annotation.Nullable;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
public class ShardResponse extends ReplicationResponse implements WriteResponse {
/**
* Represents a failure.
*/
public static class Failure implements Streamable {
private String id;
private String message;
private boolean versionConflict;
Failure() {
}
Failure(String id, String message, boolean versionConflict) {
this.id = id;
this.message = message;
this.versionConflict = versionConflict;
}
public String id() {
return id;
}
public String message() {
return this.message;
}
public boolean versionConflict() {
return versionConflict;
}
static Failure readFailure(StreamInput in) throws IOException {
Failure failure = new Failure();
failure.readFrom(in);
return failure;
}
@Override
public void readFrom(StreamInput in) throws IOException {
id = in.readString();
message = in.readString();
versionConflict = in.readBoolean();
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeString(id);
out.writeString(message);
out.writeBoolean(versionConflict);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("id", id)
.add("message", message)
.add("versionConflict", versionConflict)
.toString();
}
}
private IntArrayList locations = new IntArrayList();
private List<Failure> failures = new ArrayList<>();
@Nullable
private Exception failure;
private boolean forcedRefresh;
public ShardResponse() {
}
public void add(int location) {
locations.add(location);
failures.add(null);
}
public void add(int location, Failure failure) {
locations.add(location);
failures.add(failure);
}
public IntArrayList itemIndices() {
return locations;
}
public List<Failure> failures() {
return failures;
}
public void failure(@Nullable Exception failure) {
this.failure = failure;
}
public Exception failure() {
return failure;
}
@Override
public void setForcedRefresh(boolean forcedRefresh) {
this.forcedRefresh = forcedRefresh;
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
int size = in.readVInt();
locations = new IntArrayList(size);
failures = new ArrayList<>(size);
for (int i = 0; i < size; i++) {
locations.add(in.readVInt());
if (in.readBoolean()) {
failures.add(Failure.readFailure(in));
} else {
failures.add(null);
}
}
if (in.readBoolean()) {
failure = in.readException();
}
forcedRefresh = in.readBoolean();
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeVInt(locations.size());
for (int i = 0; i < locations.size(); i++) {
out.writeVInt(locations.get(i));
if (failures.get(i) == null) {
out.writeBoolean(false);
} else {
out.writeBoolean(true);
failures.get(i).writeTo(out);
}
}
if (failure != null) {
out.writeBoolean(true);
out.writeException(failure);
} else {
out.writeBoolean(false);
}
out.writeBoolean(forcedRefresh);
}
}