/*- * ============LICENSE_START======================================================= * APPC * ================================================================================ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. * Copyright (C) 2017 Amdocs * ================================================================================ * Licensed 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. * ============LICENSE_END========================================================= * ECOMP is a trademark and service mark of AT&T Intellectual Property. */ package org.openecomp.appc.dg.flowbuilder.impl; import org.openecomp.appc.dg.flowbuilder.FlowBuilder; import org.openecomp.appc.dg.objects.FlowStrategies; public class FlowBuilderFactory { private static class ReferenceHolder{ private static final FlowBuilderFactory FACTORY = new FlowBuilderFactory(); } public static FlowBuilderFactory getInstance(){ return ReferenceHolder.FACTORY; } public FlowBuilder getFlowBuilder(FlowStrategies flowStrategy){ switch (flowStrategy){ case FORWARD: return new FlowBuilderImpl(new ForwardFlowStrategy()); case REVERSE: return new FlowBuilderImpl(new ReverseFlowStrategy()); } return null; } }