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.cloud;
018
019import java.util.concurrent.TimeUnit;
020
021import org.apache.camel.CamelContext;
022import org.apache.camel.cloud.ServiceDiscovery;
023import org.apache.camel.cloud.ServiceDiscoveryFactory;
024import org.apache.camel.util.ObjectHelper;
025
026public class CachingServiceDiscoveryFactory implements ServiceDiscoveryFactory {
027    private Integer timeout;
028    private TimeUnit units;
029    private ServiceDiscovery serviceDiscovery;
030
031    public CachingServiceDiscoveryFactory() {
032    }
033
034    // *************************************************************************
035    // Properties
036    // *************************************************************************
037
038    public Integer getTimeout() {
039        return timeout;
040    }
041
042    public void setTimeout(Integer timeout) {
043        this.timeout = timeout;
044    }
045
046    public TimeUnit getUnits() {
047        return units;
048    }
049
050    public void setUnits(TimeUnit units) {
051        this.units = units;
052    }
053
054    public ServiceDiscovery getServiceDiscovery() {
055        return serviceDiscovery;
056    }
057
058    public void setServiceDiscovery(ServiceDiscovery serviceDiscovery) {
059        this.serviceDiscovery = serviceDiscovery;
060    }
061
062    // *************************************************************************
063    // Factory
064    // *************************************************************************
065
066    @Override
067    public ServiceDiscovery newInstance(CamelContext camelContext) throws Exception {
068        ObjectHelper.notNull(serviceDiscovery, "ServiceDiscovery configuration");
069        ObjectHelper.notNull(timeout, "CachingServiceDiscovery timeout");
070        ObjectHelper.notNull(units, "CachingServiceDiscovery time units");
071
072        return new CachingServiceDiscovery(
073            serviceDiscovery,
074            units.toMillis(timeout)
075        );
076    }
077}