/*
* 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.task.elasticsearch;
import com.google.common.util.concurrent.SettableFuture;
import io.crate.Constants;
import io.crate.exceptions.Exceptions;
import io.crate.executor.TaskResult;
import io.crate.planner.node.dml.ESUpdateNode;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.update.TransportUpdateAction;
import org.elasticsearch.action.update.UpdateRequest;
import org.elasticsearch.action.update.UpdateResponse;
import org.elasticsearch.index.engine.VersionConflictEngineException;
public class ESUpdateByIdTask extends AbstractESUpdateTask {
private final TransportUpdateAction transport;
private final ActionListener<UpdateResponse> listener;
private final UpdateRequest request;
private static class UpdateResponseListener implements ActionListener<UpdateResponse> {
private final SettableFuture<TaskResult> future;
private UpdateResponseListener(SettableFuture<TaskResult> future) {
this.future = future;
}
@Override
public void onResponse(UpdateResponse updateResponse) {
if (updateResponse.getGetResult().isExists()) {
future.set(TaskResult.ONE_ROW);
} else {
future.set(TaskResult.ZERO);
}
}
@Override
public void onFailure(Throwable e) {
e = Exceptions.unwrap(e);
if (e instanceof VersionConflictEngineException) {
future.set(TaskResult.ZERO);
} else {
future.setException(e);
}
}
}
public ESUpdateByIdTask(TransportUpdateAction transport, ESUpdateNode node) {
super(node);
this.transport = transport;
assert node.ids().size() == 1;
this.request = buildUpdateRequest(node);
listener = new UpdateResponseListener(result);
}
@Override
public void start() {
transport.execute(this.request, this.listener);
}
protected UpdateRequest buildUpdateRequest(ESUpdateNode node) {
UpdateRequest request = new UpdateRequest(node.indices()[0],
Constants.DEFAULT_MAPPING_TYPE, node.ids().get(0));
request.fields(node.columns());
request.paths(node.updateDoc());
if (node.version().isPresent()) {
request.version(node.version().get());
} else {
request.retryOnConflict(Constants.UPDATE_RETRY_ON_CONFLICT);
}
request.routing(node.routingValues().get(0));
return request;
}
}