/*
* 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.tracker;
import com.datastax.oss.driver.api.core.config.DriverExecutionProfile;
import com.datastax.oss.driver.api.core.context.DriverContext;
import com.datastax.oss.driver.api.core.metadata.Node;
import com.datastax.oss.driver.api.core.session.Request;
import com.datastax.oss.driver.api.core.session.SessionBuilder;
import com.datastax.oss.driver.api.core.tracker.RequestTracker;
import edu.umd.cs.findbugs.annotations.NonNull;
import net.jcip.annotations.ThreadSafe;
A no-op request tracker.
To activate this tracker, modify the advanced.request-tracker
section in the driver configuration, for example:
datastax-java-driver {
advanced.request-tracker {
class = NoopRequestTracker
}
}
See reference.conf
(in the manual or core driver JAR) for more details. Note that if a tracker is specified programmatically with SessionBuilder.withRequestTracker(RequestTracker)
, the configuration is ignored.
/**
* A no-op request tracker.
*
* <p>To activate this tracker, modify the {@code advanced.request-tracker} section in the driver
* configuration, for example:
*
* <pre>
* datastax-java-driver {
* advanced.request-tracker {
* class = NoopRequestTracker
* }
* }
* </pre>
*
* See {@code reference.conf} (in the manual or core driver JAR) for more details.
*
* <p>Note that if a tracker is specified programmatically with {@link
* SessionBuilder#withRequestTracker(RequestTracker)}, the configuration is ignored.
*/
@ThreadSafe
public class NoopRequestTracker implements RequestTracker {
public NoopRequestTracker(@SuppressWarnings("unused") DriverContext context) {
// nothing to do
}
@Override
public void onSuccess(
@NonNull Request request,
long latencyNanos,
@NonNull DriverExecutionProfile executionProfile,
@NonNull Node node,
@NonNull String requestPrefix) {
// nothing to do
}
@Override
public void onError(
@NonNull Request request,
@NonNull Throwable error,
long latencyNanos,
@NonNull DriverExecutionProfile executionProfile,
Node node,
@NonNull String requestPrefix) {
// nothing to do
}
@Override
public void onNodeError(
@NonNull Request request,
@NonNull Throwable error,
long latencyNanos,
@NonNull DriverExecutionProfile executionProfile,
@NonNull Node node,
@NonNull String requestPrefix) {
// nothing to do
}
@Override
public void onNodeSuccess(
@NonNull Request request,
long latencyNanos,
@NonNull DriverExecutionProfile executionProfile,
@NonNull Node node,
@NonNull String requestPrefix) {
// nothing to do
}
@Override
public void close() throws Exception {
// nothing to do
}
}