AbstractMonitor.java

/*
 * Copyright 2014 Netflix, 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.netflix.servo.monitor;

import com.netflix.servo.util.Preconditions;

/**
 * Base type to simplify implementing monitors.
 */
public abstract class AbstractMonitor<T> implements Monitor<T> {
  protected final MonitorConfig config;

  /**
   * Create a new instance with the specified configuration.
   */
  protected AbstractMonitor(MonitorConfig config) {
    this.config = Preconditions.checkNotNull(config, "config");
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public MonitorConfig getConfig() {
    return config;
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public T getValue() {
    return getValue(0);
  }
}