/*
 * 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.phoenix.monitoring;

/**
 * Implementation used when GlobalMetrics are disabled
 */
public class NoOpGlobalMetricImpl implements GlobalMetric {

  static long NO_SAMPLES = -1;
  static long NO_VALUE = -1;

  @Override
  public long getNumberOfSamples() {
    return NO_SAMPLES;
  }

  @Override
  public MetricType getMetricType() {
    return null;
  }

  @Override
  public long getValue() {
    return NO_VALUE;
  }

  @Override
  public void change(long delta) {

  }

  @Override
  public void increment() {

  }

  @Override
  public void decrement() {

  }

  @Override
  public String getCurrentMetricState() {
    return null;
  }

  @Override
  public void reset() {

  }

  /**
   * Set the Metric value as current value
   */
  @Override
  public void set(long value) {

  }
}
