org.elasticsearch.rest.action.deletebyquery.RestDeleteByQueryAction Maven / Gradle / Ivy
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* 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
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* Unless required by applicable law or agreed to in writing,
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package org.elasticsearch.rest.action.deletebyquery;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.WriteConsistencyLevel;
import org.elasticsearch.action.deletebyquery.DeleteByQueryRequest;
import org.elasticsearch.action.deletebyquery.DeleteByQueryResponse;
import org.elasticsearch.action.deletebyquery.IndexDeleteByQueryResponse;
import org.elasticsearch.action.deletebyquery.ShardDeleteByQueryRequest;
import org.elasticsearch.action.support.IgnoreIndices;
import org.elasticsearch.action.support.replication.ReplicationType;
import org.elasticsearch.client.Client;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.rest.*;
import org.elasticsearch.rest.action.support.RestActions;
import org.elasticsearch.rest.action.support.RestXContentBuilder;
import java.io.IOException;
import static org.elasticsearch.rest.RestRequest.Method.DELETE;
import static org.elasticsearch.rest.RestStatus.OK;
import static org.elasticsearch.rest.RestStatus.PRECONDITION_FAILED;
import static org.elasticsearch.rest.action.support.RestActions.splitIndices;
import static org.elasticsearch.rest.action.support.RestActions.splitTypes;
/**
*
*/
public class RestDeleteByQueryAction extends BaseRestHandler {
@Inject
public RestDeleteByQueryAction(Settings settings, Client client, RestController controller) {
super(settings, client);
controller.registerHandler(DELETE, "/{index}/_query", this);
controller.registerHandler(DELETE, "/{index}/{type}/_query", this);
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
DeleteByQueryRequest deleteByQueryRequest = new DeleteByQueryRequest(splitIndices(request.param("index")));
deleteByQueryRequest.listenerThreaded(false);
try {
if (request.hasContent()) {
deleteByQueryRequest.query(request.content(), request.contentUnsafe());
} else {
String source = request.param("source");
if (source != null) {
deleteByQueryRequest.query(source);
} else {
BytesReference bytes = RestActions.parseQuerySource(request);
deleteByQueryRequest.query(bytes, false);
}
}
deleteByQueryRequest.types(splitTypes(request.param("type")));
deleteByQueryRequest.timeout(request.paramAsTime("timeout", ShardDeleteByQueryRequest.DEFAULT_TIMEOUT));
deleteByQueryRequest.routing(request.param("routing"));
String replicationType = request.param("replication");
if (replicationType != null) {
deleteByQueryRequest.replicationType(ReplicationType.fromString(replicationType));
}
String consistencyLevel = request.param("consistency");
if (consistencyLevel != null) {
deleteByQueryRequest.consistencyLevel(WriteConsistencyLevel.fromString(consistencyLevel));
}
final String ignoreIndices = request.param("ignore_indices");
if (ignoreIndices != null) {
deleteByQueryRequest.ignoreIndices(IgnoreIndices.fromString(ignoreIndices));
}
} catch (Exception e) {
try {
XContentBuilder builder = RestXContentBuilder.restContentBuilder(request);
channel.sendResponse(new XContentRestResponse(request, PRECONDITION_FAILED, builder.startObject().field("error", e.getMessage()).endObject()));
} catch (IOException e1) {
logger.error("Failed to send failure response", e1);
}
return;
}
client.deleteByQuery(deleteByQueryRequest, new ActionListener() {
@Override
public void onResponse(DeleteByQueryResponse result) {
try {
XContentBuilder builder = RestXContentBuilder.restContentBuilder(request);
builder.startObject().field("ok", true);
builder.startObject("_indices");
for (IndexDeleteByQueryResponse indexDeleteByQueryResponse : result.getIndices().values()) {
builder.startObject(indexDeleteByQueryResponse.getIndex(), XContentBuilder.FieldCaseConversion.NONE);
builder.startObject("_shards");
builder.field("total", indexDeleteByQueryResponse.getTotalShards());
builder.field("successful", indexDeleteByQueryResponse.getSuccessfulShards());
builder.field("failed", indexDeleteByQueryResponse.getFailedShards());
builder.endObject();
builder.endObject();
}
builder.endObject();
builder.endObject();
channel.sendResponse(new XContentRestResponse(request, OK, builder));
} catch (Throwable e) {
onFailure(e);
}
}
@Override
public void onFailure(Throwable e) {
try {
channel.sendResponse(new XContentThrowableRestResponse(request, e));
} catch (IOException e1) {
logger.error("Failed to send failure response", e1);
}
}
});
}
}