/**
    * Copyright 2005-2011 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.opensource.org/licenses/ecl2.php
    *
   * 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.rice.kew.rule;
  
  import org.kuali.rice.core.api.uif.AttributeError;
  import org.kuali.rice.kns.web.ui.Row;
  
  import java.util.Collections;
  import java.util.List;
  import java.util.Map;
  
  
  
  /**
   * Abstract base class for {@link WorkflowRuleAttribute}s.
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public abstract class AbstractWorkflowAttribute implements WorkflowRuleAttribute {
      protected boolean required;
  
      public List<Row> getRuleRows() {
          return Collections.EMPTY_LIST;
      }
  
      public List<Row> getRoutingDataRows() {
          return Collections.EMPTY_LIST;
      }
  
      public String getDocContent() {
          return "";
      }
  
      public List<RuleExtensionValue> getRuleExtensionValues() {
          return Collections.EMPTY_LIST;
      }
  
      public List<? extends AttributeError> validateRoutingData(Map paramMap) {
          return Collections.EMPTY_LIST;
      }
  
      public List<? extends AttributeError> validateRuleData(Map paramMap) {
          return Collections.EMPTY_LIST;
      }
  
      public void setRequired(boolean required) {
          this.required = required;
      }
  
      public boolean isRequired() {
          return required;
      }
  
      /* TODO: document these two methods ... what are these for? */
      public String getIdFieldName() {
          return "";
      }
      public String getLockFieldName() {
          return "";
      }
  }