/*
* 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.action.count;
import org.elasticsearch.Version;
import org.elasticsearch.action.ShardOperationFailedException;
import org.elasticsearch.action.support.broadcast.BroadcastOperationResponse;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.rest.RestStatus;
import java.io.IOException;
import java.util.List;
/**
* The response of the count action.
*/
public class CountResponse extends BroadcastOperationResponse {
private boolean terminatedEarly;
private long count;
CountResponse() {
}
CountResponse(long count, boolean hasTerminatedEarly, int totalShards, int successfulShards, int failedShards, List<ShardOperationFailedException> shardFailures) {
super(totalShards, successfulShards, failedShards, shardFailures);
this.count = count;
this.terminatedEarly = hasTerminatedEarly;
}
/**
* The count of documents matching the query provided.
*/
public long getCount() {
return count;
}
/**
* True if the request has been terminated early due to enough count
*/
public boolean terminatedEarly() {
return this.terminatedEarly;
}
public RestStatus status() {
if (getFailedShards() == 0) {
if (getSuccessfulShards() == 0 && getTotalShards() > 0) {
return RestStatus.SERVICE_UNAVAILABLE;
}
return RestStatus.OK;
}
// if total failure, bubble up the status code to the response level
if (getSuccessfulShards() == 0 && getTotalShards() > 0) {
RestStatus status = RestStatus.OK;
for (ShardOperationFailedException shardFailure : getShardFailures()) {
RestStatus shardStatus = shardFailure.status();
if (shardStatus.getStatus() >= status.getStatus()) {
status = shardStatus;
}
}
return status;
}
return RestStatus.OK;
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
count = in.readVLong();
if (in.getVersion().onOrAfter(Version.V_1_4_0_Beta1)) {
terminatedEarly = in.readBoolean();
}
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeVLong(count);
if (out.getVersion().onOrAfter(Version.V_1_4_0_Beta1)) {
out.writeBoolean(terminatedEarly);
}
}
}