/*

  * Copyright 2005-2008 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 javax.persistence.CascadeType;

 import javax.persistence.Column;

 import javax.persistence.Entity;

 import javax.persistence.FetchType;

 import javax.persistence.Id;

 import javax.persistence.JoinColumn;

 import javax.persistence.ManyToOne;

 import javax.persistence.PrePersist;

 import javax.persistence.Table;

 import javax.persistence.Version;

 import org.kuali.rice.core.jpa.annotations.Sequence;

 import org.kuali.rice.core.util.OrmUtils;

 import org.kuali.rice.kew.bo.WorkflowPersistable;

 import org.kuali.rice.kew.service.KEWServiceLocator;

 import org.kuali.rice.kew.util.Utilities;

 /**

  * The value of an extension to a rule.  Essentially contains a

  * key-value pair containing the key of the extension data and

  * it's value.

  * 

  * @see RuleBaseValues

  * @see RuleExtension

  *

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

  */

 @Entity

 @Table(name="KREW_RULE_EXT_VAL_T")

 @Sequence(name="KREW_RTE_TMPL_S", property="ruleExtensionValueId")

 public class RuleExtensionValue implements WorkflowPersistable {

         private static final long serialVersionUID = 8909789087052290261L;

         @Id

         @Column(name="RULE_EXT_VAL_ID")

         private Long ruleExtensionValueId;

     @Column(name="RULE_EXT_ID", insertable=false, updatable=false)

         private Long ruleExtensionId;

     @Column(name="VAL")

         private String value;

     @Column(name="KEY_CD")

         private String key;

     @Version

         @Column(name="VER_NBR")

         private Integer lockVerNbr;

     @ManyToOne(fetch=FetchType.EAGER, cascade={CascadeType.PERSIST})

         @JoinColumn(name="RULE_EXT_ID")

         private RuleExtension extension;

     public RuleExtensionValue() {

     }

     public RuleExtensionValue(String key, String value) {

         this.key = key;

         this.value = value;

     }

     @PrePersist

     public void beforeInsert(){

         OrmUtils.populateAutoIncValue(this, KEWServiceLocator.getEntityManagerFactory().createEntityManager());

     }

     public RuleExtension getExtension() {

         return extension;

     }

     public void setExtension(RuleExtension extension) {

         this.extension = extension;

     }

     public Integer getLockVerNbr() {

         return lockVerNbr;

     }

     public void setLockVerNbr(Integer lockVerNbr) {

         this.lockVerNbr = lockVerNbr;

     }

     public String getKey() {

         return key;

     }

     public void setKey(String key) {

         this.key = key;

     }

     public Long getRuleExtensionId() {

         return ruleExtensionId;

     }

     public void setRuleExtensionId(Long ruleExtensionId) {

         this.ruleExtensionId = ruleExtensionId;

     }

     public Long getRuleExtensionValueId() {

         return ruleExtensionValueId;

     }

     public void setRuleExtensionValueId(Long ruleExtensionValueId) {

         this.ruleExtensionValueId = ruleExtensionValueId;

     }

     public String getValue() {

         return value;

     }

     public void setValue(String value) {

         this.value = value;

     }

     public Object copy(boolean preserveKeys) {

         RuleExtensionValue ruleExtensionValueClone = new RuleExtensionValue();

         if(key != null){

           ruleExtensionValueClone.setKey(new String(key));

         }

         if(preserveKeys && ruleExtensionValueId != null){

           ruleExtensionValueClone.setRuleExtensionValueId(new Long(ruleExtensionValueId.longValue()));

         }

         if(value != null){

           ruleExtensionValueClone.setValue(new String(value));

         }

         return ruleExtensionValueClone;

     }

     public boolean equals(Object o) {

         if (o == null) return false;

         if (!(o instanceof RuleExtensionValue)) return false;

         RuleExtensionValue pred = (RuleExtensionValue) o;

         return Utilities.equals(key, pred.key) && Utilities.equals(value, pred.value);

     }

     public String toString() {

         return "[RuleExtensionValue:"

                +  " ruleExtensionValueId=" + ruleExtensionValueId

                + ", ruleExtensionId=" + ruleExtensionId

                + ", value=" + value

                + ", key=" + key

                + ", lockVerNbr=" + lockVerNbr

                + "]";

     }

 }