/*

  * 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 ();

  }

 }