/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.delete;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.WriteConsistencyLevel;
import org.elasticsearch.action.delete.DeleteRequest;
import org.elasticsearch.action.delete.DeleteResponse;
import org.elasticsearch.action.support.replication.ReplicationType;
import org.elasticsearch.client.Client;
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.RestXContentBuilder;
import java.io.IOException;
import static org.elasticsearch.rest.RestRequest.Method.*;
import static org.elasticsearch.rest.RestStatus.*;
/**
* @author kimchy (shay.banon)
*/
public class RestDeleteAction extends BaseRestHandler {
@Inject public RestDeleteAction(Settings settings, Client client, RestController controller) {
super(settings, client);
controller.registerHandler(DELETE, "/{index}/{type}/{id}", this);
}
@Override public void handleRequest(final RestRequest request, final RestChannel channel) {
DeleteRequest deleteRequest = new DeleteRequest(request.param("index"), request.param("type"), request.param("id"));
deleteRequest.parent(request.param("parent"));
deleteRequest.routing(request.param("routing"));
deleteRequest.timeout(request.paramAsTime("timeout", DeleteRequest.DEFAULT_TIMEOUT));
deleteRequest.refresh(request.paramAsBoolean("refresh", deleteRequest.refresh()));
deleteRequest.version(RestActions.parseVersion(request));
// we just send a response, no need to fork
deleteRequest.listenerThreaded(false);
// we don't spawn, then fork if local
deleteRequest.operationThreaded(true);
String replicationType = request.param("replication");
if (replicationType != null) {
deleteRequest.replicationType(ReplicationType.fromString(replicationType));
}
String consistencyLevel = request.param("consistency");
if (consistencyLevel != null) {
deleteRequest.consistencyLevel(WriteConsistencyLevel.fromString(consistencyLevel));
}
client.delete(deleteRequest, new ActionListener<DeleteResponse>() {
@Override public void onResponse(DeleteResponse result) {
try {
XContentBuilder builder = RestXContentBuilder.restContentBuilder(request);
builder.startObject()
.field(Fields.OK, true)
.field(Fields.FOUND, !result.notFound())
.field(Fields._INDEX, result.index())
.field(Fields._TYPE, result.type())
.field(Fields._ID, result.id())
.field(Fields._VERSION, result.version())
.endObject();
RestStatus status = OK;
if (result.notFound()) {
status = NOT_FOUND;
}
channel.sendResponse(new XContentRestResponse(request, status, builder));
} catch (Exception 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);
}
}
});
}
static final class Fields {
static final XContentBuilderString OK = new XContentBuilderString("ok");
static final XContentBuilderString FOUND = new XContentBuilderString("found");
static final XContentBuilderString _INDEX = new XContentBuilderString("_index");
static final XContentBuilderString _TYPE = new XContentBuilderString("_type");
static final XContentBuilderString _ID = new XContentBuilderString("_id");
static final XContentBuilderString _VERSION = new XContentBuilderString("_version");
}
}