    001/*
    002 * Copyright (c) 2007-2017 Xplenty, Inc. All Rights Reserved.
    003 *
    004 * Project and contact information: http://www.cascading.org/
    005 *
    006 * This file is part of the Cascading project.
    007 *
    008 * Licensed under the Apache License, Version 2.0 (the "License");
    009 * you may not use this file except in compliance with the License.
    010 * You may obtain a copy of the License at
    011 *
    012 *     http://www.apache.org/licenses/LICENSE-2.0
    013 *
    014 * Unless required by applicable law or agreed to in writing, software
    015 * distributed under the License is distributed on an "AS IS" BASIS,
    016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    017 * See the License for the specific language governing permissions and
    018 * limitations under the License.
    019 */
    020
    021package cascading.management;
    022
    023import cascading.provider.CascadingService;
    024
    025/** Interface MetricsService provides fine grained hooks for managing various metrics. */
    026public interface MetricsService extends CascadingService
    027  {
    028  String METRICS_SERVICE_CLASS_PROPERTY = "cascading.management.metrics.service.classname";
    029
    030  void increment( String[] context, int amount );
    031
    032  void set( String[] context, String value );
    033
    034  void set( String[] context, int value );
    035
    036  void set( String[] context, long value );
    037
    038  String getString( String[] context );
    039
    040  int getInt( String[] context );
    041
    042  long getLong( String[] context );
    043
    044  boolean compareSet( String[] context, String isValue, String toValue );
    045
    046  boolean compareSet( String[] context, int isValue, int toValue );
    047
    048  boolean compareSet( String[] context, long isValue, long toValue );
    049  }