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     */
017    package org.apache.camel.management.mbean;
018    
019    import org.apache.camel.spi.ManagementStrategy;
020    import org.fusesource.commons.management.Statistic;
021    import org.springframework.jmx.export.annotation.ManagedAttribute;
022    import org.springframework.jmx.export.annotation.ManagedOperation;
023    import org.springframework.jmx.export.annotation.ManagedResource;
024    
025    @ManagedResource(description = "Managed Counter")
026    public abstract class ManagedCounter {
027    
028        protected Statistic exchangesTotal;
029    
030        public void init(ManagementStrategy strategy) {
031            this.exchangesTotal = strategy.createStatistic("org.apache.camel.exchangesTotal", this, Statistic.UpdateMode.COUNTER);
032        }
033    
034        @ManagedOperation(description = "Reset counters")
035        public synchronized void reset() {
036            exchangesTotal.reset();
037        }
038    
039        @ManagedAttribute(description = "Total number of exchanges")
040        public long getExchangesTotal() throws Exception {
041            return exchangesTotal.getValue();
042        }
043    
044        public synchronized void increment() {
045            exchangesTotal.increment();
046        }
047    }