001/* 002 * (C) Copyright 2019 Nuxeo (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Florent Guillaume 018 */ 019package org.nuxeo.ecm.core.blob; 020 021import java.io.IOException; 022import java.nio.file.Path; 023import java.util.Map; 024 025import org.nuxeo.common.utils.SizeUtils; 026import org.nuxeo.runtime.api.Framework; 027 028/** 029 * Configuration for a cache. 030 * 031 * @since 11.1 032 */ 033public class CachingConfiguration extends PropertyBasedConfiguration { 034 035 public static final String CACHE_SIZE_PROPERTY = "cachesize"; 036 037 public static final String CACHE_COUNT_PROPERTY = "cachecount"; 038 039 public static final String CACHE_MIN_AGE_PROPERTY = "cacheminage"; 040 041 public static final String DEFAULT_CACHE_SIZE = "100 mb"; 042 043 public static final String DEFAULT_CACHE_COUNT = "10000"; 044 045 public static final String DEFAULT_CACHE_MIN_AGE = "3600"; // 1h 046 047 public final Path dir; 048 049 public final long maxSize; 050 051 public final long maxCount; 052 053 public final long minAge; 054 055 public CachingConfiguration(String systemPropertyPrefix, Map<String, String> properties) throws IOException { 056 super(systemPropertyPrefix, properties); 057 dir = Framework.createTempDirectory("nxbincache."); 058 String maxSizeProp = getProperty(CACHE_SIZE_PROPERTY, DEFAULT_CACHE_SIZE); 059 String maxCountProp = getProperty(CACHE_COUNT_PROPERTY, DEFAULT_CACHE_COUNT); 060 String minAgeProp = getProperty(CACHE_MIN_AGE_PROPERTY, DEFAULT_CACHE_MIN_AGE); 061 maxSize = SizeUtils.parseSizeInBytes(maxSizeProp); 062 maxCount = Long.parseLong(maxCountProp); 063 minAge = Long.parseLong(minAgeProp); 064 } 065 066 public CachingConfiguration(Path dir, long maxSize, long maxCount, long minAge) { 067 super(null, null); 068 this.dir = dir; 069 this.maxSize = maxSize; 070 this.maxCount = maxCount; 071 this.minAge = minAge; 072 } 073 074}