com.datastax.oss.driver.internal.core.session.throttling.PassThroughRequestThrottler Maven / Gradle / Ivy
/*
* Copyright DataStax, Inc.
*
* 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.
*/
package com.datastax.oss.driver.internal.core.session.throttling;
import com.datastax.oss.driver.api.core.context.DriverContext;
import com.datastax.oss.driver.api.core.session.throttling.RequestThrottler;
import com.datastax.oss.driver.api.core.session.throttling.Throttled;
import edu.umd.cs.findbugs.annotations.NonNull;
import java.io.IOException;
import net.jcip.annotations.ThreadSafe;
/**
* A request throttler that does not enforce any kind of limitation: requests are always executed
* immediately.
*
* To activate this throttler, modify the {@code advanced.throttler} section in the driver
* configuration, for example:
*
*
* datastax-java-driver {
* advanced.throttler {
* class = PassThroughRequestThrottler
* }
* }
*
*
* See {@code reference.conf} (in the manual or core driver JAR) for more details.
*/
@ThreadSafe
public class PassThroughRequestThrottler implements RequestThrottler {
@SuppressWarnings("unused")
public PassThroughRequestThrottler(DriverContext context) {
// nothing to do
}
@Override
public void register(@NonNull Throttled request) {
request.onThrottleReady(false);
}
@Override
public void signalSuccess(@NonNull Throttled request) {
// nothing to do
}
@Override
public void signalError(@NonNull Throttled request, @NonNull Throwable error) {
// nothing to do
}
@Override
public void signalTimeout(@NonNull Throttled request) {
// nothing to do
}
@Override
public void close() throws IOException {
// nothing to do
}
}