| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the License. You may obtain a |
| * copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License |
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
| * or implied. See the License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package org.apache.geode.internal.cache.wan; |
| |
| import java.util.Iterator; |
| import java.util.ServiceLoader; |
| |
| import org.apache.geode.annotations.Immutable; |
| import org.apache.geode.cache.client.internal.locator.wan.LocatorMembershipListener; |
| import org.apache.geode.cache.wan.GatewayReceiverFactory; |
| import org.apache.geode.cache.wan.GatewaySenderFactory; |
| import org.apache.geode.distributed.internal.WanLocatorDiscoverer; |
| import org.apache.geode.internal.cache.InternalCache; |
| import org.apache.geode.internal.cache.wan.spi.WANFactory; |
| |
| public class WANServiceProvider { |
| @Immutable |
| private static final WANFactory factory; |
| |
| static { |
| ServiceLoader<WANFactory> loader = ServiceLoader.load(WANFactory.class); |
| Iterator<WANFactory> itr = loader.iterator(); |
| if (!itr.hasNext()) { |
| factory = null; |
| } else { |
| factory = itr.next(); |
| factory.initialize(); |
| } |
| } |
| |
| public static GatewaySenderFactory createGatewaySenderFactory(InternalCache cache) { |
| if (factory == null) { |
| throw new IllegalStateException("WAN service is not available."); |
| } |
| return factory.createGatewaySenderFactory(cache); |
| |
| } |
| |
| public static GatewayReceiverFactory createGatewayReceiverFactory(InternalCache cache) { |
| if (factory == null) { |
| throw new IllegalStateException("WAN service is not available."); |
| } |
| return factory.createGatewayReceiverFactory(cache); |
| } |
| |
| public static WanLocatorDiscoverer createLocatorDiscoverer() { |
| if (factory == null) { |
| return null; |
| } |
| return factory.createLocatorDiscoverer(); |
| } |
| |
| public static LocatorMembershipListener createLocatorMembershipListener() { |
| if (factory == null) { |
| return null; |
| } |
| return factory.createLocatorMembershipListener(); |
| } |
| |
| private WANServiceProvider() {} |
| } |