MetricsCollectionService.java

/*
 * Copyright © 2014 Cask Data, 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 co.cask.cdap.api.metrics;

import com.google.common.util.concurrent.Service;

import java.util.Map;

/**
 * Service for collects and publishes metrics.
 */
public interface MetricsCollectionService extends Service {

  /**
   * Returns the metric collector for the given context.
   *
   * @param context The tags that define the metrics context.
   * @return A {@link MetricsContext} for emitting metrics.
   */
  MetricsContext getContext(Map<String, String> context);
}