/*

  * Copyright 2011 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 1.0 (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/ecl1.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.krms.api.repository.proposition;

 import java.util.HashSet;

 import java.util.Set;

 /**

  * TODO... 

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 public enum PropositionParameterType {

         CONSTANT("C"),

         TERM("T"),

         FUNCTION("F"),

         OPERATOR("O");

         private final String code;

         private PropositionParameterType(String code) {

                 this.code = code;

         }

         public String getCode() {

                 return code;

         }

         public static final Set<String> VALID_TYPE_CODES = new HashSet<String>();

         static {

                 for (PropositionParameterType propositionParameterType : values()) {

                         VALID_TYPE_CODES.add(propositionParameterType.getCode());

                 }

         }

         public static PropositionParameterType fromCode(String code) {

                 if (code == null) {

                         return null;

                 }

                 for (PropositionParameterType propositionParameterType : values()) {

                         if (propositionParameterType.code.equals(code)) {

                                 return propositionParameterType;

                         }

                 }

                 throw new IllegalArgumentException("Failed to locate the PropositionParameterType with the given code: " + code);

         }

 }