001/* 002 * (C) Copyright 2006-2009 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Nuxeo - initial API and implementation 016 * 017 * $Id$ 018 */ 019package org.nuxeo.runtime.management.counters; 020 021/** 022 * Service interface to manage Counters. This services hides the Counters implementation so that Counters's updated 023 * don't have to be dependent on Simon 024 * 025 * @author Tiry (tdelprat@nuxeo.com) 026 */ 027public interface CounterManager { 028 029 /** 030 * Increase a counter 031 * 032 * @param counterName 033 */ 034 void increaseCounter(String counterName); 035 036 void increaseCounter(String counterName, long value); 037 038 /** 039 * Set the value of a counter 040 * 041 * @param counterName 042 * @param value 043 */ 044 void setCounterValue(String counterName, long value); 045 046 /** 047 * Decrease a counter 048 * 049 * @param counterName 050 */ 051 void decreaseCounter(String counterName); 052 053 void decreaseCounter(String counterName, long value); 054 055 /** 056 * Get recorder values of the counter over time 057 * 058 * @param counterName 059 * @return 060 */ 061 CounterHistoryStack getCounterHistory(String counterName); 062 063 /** 064 * Enables all counters 065 */ 066 void enableCounters(); 067 068 /** 069 * Desable all couters 070 */ 071 void disableCounters(); 072 073}