org.apache.hadoop.fs.s3a.s3guard.MetastoreInstrumentationImpl Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.apache.hadoop.fs.s3a.s3guard;
/**
* A no-op implementation of {@link MetastoreInstrumentation}
* which allows metastores to always return an instance
* when requested.
*/
public class MetastoreInstrumentationImpl implements MetastoreInstrumentation {
@Override
public void initialized() {
}
@Override
public void storeClosed() {
}
@Override
public void throttled() {
}
@Override
public void retrying() {
}
@Override
public void recordsDeleted(final int count) {
}
@Override
public void recordsRead(final int count) {
}
@Override
public void recordsWritten(final int count) {
}
@Override
public void directoryMarkedAuthoritative() {
}
@Override
public void entryAdded(final long durationNanos) {
}
}