com.arangodb.internal.ArangoExecutor Maven / Gradle / Ivy
/*
* DISCLAIMER
*
* Copyright 2016 ArangoDB GmbH, Cologne, Germany
*
* Licensed 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.
*
* Copyright holder is ArangoDB GmbH, Cologne, Germany
*/
package com.arangodb.internal;
import com.arangodb.QueueTimeMetrics;
import com.arangodb.internal.config.ArangoConfig;
import com.arangodb.internal.serde.InternalSerde;
import java.lang.reflect.Type;
/**
* @author Mark Vollmary
*/
public abstract class ArangoExecutor {
private final QueueTimeMetricsImpl qtMetrics;
private final InternalSerde serde;
private final String timeoutS;
protected ArangoExecutor(final ArangoConfig config) {
super();
qtMetrics = new QueueTimeMetricsImpl(config.getResponseQueueTimeSamples());
serde = config.getInternalSerde();
timeoutS = config.getTimeout() >= 1000 ? Integer.toString(config.getTimeout() / 1000) : null;
}
protected T createResult(final Type type, final InternalResponse response) {
return serde.deserialize(response.getBody(), type);
}
protected final void interceptResponse(InternalResponse response) {
String queueTime = response.getMeta("X-Arango-Queue-Time-Seconds");
if (queueTime != null) {
qtMetrics.add(Double.parseDouble(queueTime));
}
}
protected final InternalRequest interceptRequest(InternalRequest request) {
request.putHeaderParam("x-arango-queue-time-seconds", timeoutS);
return request;
}
public QueueTimeMetrics getQueueTimeMetrics() {
return qtMetrics;
}
public interface ResponseDeserializer {
T deserialize(InternalResponse response);
}
}