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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.rest.action.deletebyquery;
import org.elasticsearch.action.ShardOperationFailedException;
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.IndicesOptions;
import org.elasticsearch.action.support.QuerySourceBuilder;
import org.elasticsearch.action.support.replication.ReplicationType;
import org.elasticsearch.client.Client;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentBuilderString;
import org.elasticsearch.rest.*;
import org.elasticsearch.rest.action.support.RestActions;
import org.elasticsearch.rest.action.support.RestBuilderListener;
import static org.elasticsearch.rest.RestRequest.Method.DELETE;
/**
*
*/
public class RestDeleteByQueryAction extends BaseRestHandler {
@Inject
public RestDeleteByQueryAction(Settings settings, RestController controller, Client client) {
super(settings, controller, client);
controller.registerHandler(DELETE, "/{index}/_query", this);
controller.registerHandler(DELETE, "/{index}/{type}/_query", this);
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel, final Client client) {
DeleteByQueryRequest deleteByQueryRequest = new DeleteByQueryRequest(Strings.splitStringByCommaToArray(request.param("index")));
deleteByQueryRequest.listenerThreaded(false);
if (request.hasContent()) {
deleteByQueryRequest.source(request.content(), request.contentUnsafe());
} else {
String source = request.param("source");
if (source != null) {
deleteByQueryRequest.source(source);
} else {
QuerySourceBuilder querySourceBuilder = RestActions.parseQuerySource(request);
if (querySourceBuilder != null) {
deleteByQueryRequest.source(querySourceBuilder);
}
}
}
deleteByQueryRequest.types(Strings.splitStringByCommaToArray(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));
}
deleteByQueryRequest.indicesOptions(IndicesOptions.fromRequest(request, deleteByQueryRequest.indicesOptions()));
client.deleteByQuery(deleteByQueryRequest, new RestBuilderListener<DeleteByQueryResponse>(channel) {
@Override
public RestResponse buildResponse(DeleteByQueryResponse result, XContentBuilder builder) throws Exception {
RestStatus restStatus = result.status();
builder.startObject();
builder.startObject(Fields._INDICES);
for (IndexDeleteByQueryResponse indexDeleteByQueryResponse : result.getIndices().values()) {
builder.startObject(indexDeleteByQueryResponse.getIndex(), XContentBuilder.FieldCaseConversion.NONE);
builder.startObject(Fields._SHARDS);
builder.field(Fields.TOTAL, indexDeleteByQueryResponse.getTotalShards());
builder.field(Fields.SUCCESSFUL, indexDeleteByQueryResponse.getSuccessfulShards());
builder.field(Fields.FAILED, indexDeleteByQueryResponse.getFailedShards());
ShardOperationFailedException[] failures = indexDeleteByQueryResponse.getFailures();
if (failures != null && failures.length > 0) {
builder.startArray(Fields.FAILURES);
for (ShardOperationFailedException shardFailure : failures) {
builder.startObject();
builder.field(Fields.INDEX, shardFailure.index());
builder.field(Fields.SHARD, shardFailure.shardId());
builder.field(Fields.REASON, shardFailure.reason());
builder.endObject();
}
builder.endArray();
}
builder.endObject();
builder.endObject();
}
builder.endObject();
builder.endObject();
return new BytesRestResponse(restStatus, builder);
}
});
}
static final class Fields {
static final XContentBuilderString _INDICES = new XContentBuilderString("_indices");
static final XContentBuilderString _SHARDS = new XContentBuilderString("_shards");
static final XContentBuilderString TOTAL = new XContentBuilderString("total");
static final XContentBuilderString SUCCESSFUL = new XContentBuilderString("successful");
static final XContentBuilderString FAILED = new XContentBuilderString("failed");
static final XContentBuilderString FAILURES = new XContentBuilderString("failures");
static final XContentBuilderString INDEX = new XContentBuilderString("index");
static final XContentBuilderString SHARD = new XContentBuilderString("shard");
static final XContentBuilderString REASON = new XContentBuilderString("reason");
}
}