/*

  * Copyright 2010 The Kuali Foundation

  *

  * Licensed under the Educational Community 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.osedu.org/licenses/ECL-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.kuali.student.contract.model.impl;

 import java.util.List;

 import org.kuali.student.contract.model.MessageStructure;

 import org.kuali.student.contract.model.Service;

 import org.kuali.student.contract.model.ServiceContractModel;

 import org.kuali.student.contract.model.ServiceMethod;

 import org.kuali.student.contract.model.XmlType;

 /**

  * This reads the supplied spreadsheet but then caches it so it doesn't have to

  * re-read it again.

  * @author nwright

  */

 public class ServiceContractModelCache implements ServiceContractModel {

     private ServiceContractModel model;

     public ServiceContractModelCache(ServiceContractModel model) {

         this.model = model;

     }

     private List<ServiceMethod> serviceMethods = null;

     @Override

     public List<ServiceMethod> getServiceMethods() {

         if (serviceMethods == null) {

             serviceMethods = model.getServiceMethods();

         }

         return serviceMethods;

     }

     private List<XmlType> xmlTypes;

     @Override

     public List<XmlType> getXmlTypes() {

         if (xmlTypes == null) {

             xmlTypes = model.getXmlTypes();

         }

         return xmlTypes;

     }

     private List<MessageStructure> messageStructures = null;

     @Override

     public List<MessageStructure> getMessageStructures() {

         if (messageStructures == null) {

             messageStructures = model.getMessageStructures();

         }

         return messageStructures;

     }

     private List<Service> services = null;

     @Override

     public List<Service> getServices() {

         if (services == null) {

             services = model.getServices();

         }

         return services;

     }

     @Override

     public List<String> getSourceNames() {

         return model.getSourceNames();

     }

 }