001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.camel.impl; 018 019import java.util.Collections; 020import java.util.Map; 021 022import org.apache.camel.spi.EndpointUtilizationStatistics; 023import org.apache.camel.util.LRUCache; 024 025public class DefaultEndpointUtilizationStatistics implements EndpointUtilizationStatistics { 026 027 private final LRUCache<String, Long> map; 028 029 public DefaultEndpointUtilizationStatistics(int maxCapacity) { 030 this.map = new LRUCache<String, Long>(16, maxCapacity, false); 031 } 032 033 @Override 034 public int maxCapacity() { 035 return map.getMaxCacheSize(); 036 } 037 038 @Override 039 public int size() { 040 return map.size(); 041 } 042 043 @Override 044 public synchronized void onHit(String uri) { 045 Long counter = map.get(uri); 046 if (counter == null) { 047 counter = 1L; 048 map.put(uri, counter); 049 } else { 050 counter++; 051 map.put(uri, counter); 052 } 053 } 054 055 @Override 056 public void remove(String uri) { 057 map.remove(uri); 058 } 059 060 @Override 061 public Map<String, Long> getStatistics() { 062 return Collections.unmodifiableMap(map); 063 } 064 065 @Override 066 public void clear() { 067 map.clear(); 068 } 069}