/**

  * 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.api.rule;

 import java.io.Serializable;

 import java.util.Collection;

 import javax.xml.bind.annotation.XmlAccessType;

 import javax.xml.bind.annotation.XmlAccessorType;

 import javax.xml.bind.annotation.XmlAnyElement;

 import javax.xml.bind.annotation.XmlElement;

 import javax.xml.bind.annotation.XmlRootElement;

 import javax.xml.bind.annotation.XmlType;

 import org.kuali.rice.core.api.CoreConstants;

 import org.kuali.rice.core.api.mo.AbstractDataTransferObject;

 import org.kuali.rice.core.api.mo.ModelBuilder;

 import org.w3c.dom.Element;

 @XmlRootElement(name = RuleExpression.Constants.ROOT_ELEMENT_NAME)

 @XmlAccessorType(XmlAccessType.NONE)

 @XmlType(name = RuleExpression.Constants.TYPE_NAME, propOrder = {

     RuleExpression.Elements.TYPE,

     RuleExpression.Elements.EXPRESSION,

     RuleExpression.Elements.ID,

     CoreConstants.CommonElements.VERSION_NUMBER,

     CoreConstants.CommonElements.OBJECT_ID,

     CoreConstants.CommonElements.FUTURE_ELEMENTS

 })

 public final class RuleExpression

     extends AbstractDataTransferObject

     implements RuleExpressionContract

 {

     @XmlElement(name = Elements.TYPE, required = false)

     private final String type;

     @XmlElement(name = Elements.EXPRESSION, required = false)

     private final String expression;

     @XmlElement(name = Elements.ID, required = false)

     private final String id;

     @XmlElement(name = CoreConstants.CommonElements.VERSION_NUMBER, required = false)

     private final Long versionNumber;

     @XmlElement(name = CoreConstants.CommonElements.OBJECT_ID, required = false)

     private final String objectId;

     @SuppressWarnings("unused")

     @XmlAnyElement

     private final Collection<Element> _futureElements = null;

     /**

      * Private constructor used only by JAXB.

      * 

      */

     private RuleExpression() {

         this.type = null;

         this.expression = null;

         this.id = null;

         this.versionNumber = null;

         this.objectId = null;

     }

     private RuleExpression(Builder builder) {

         this.type = builder.getType();

         this.expression = builder.getExpression();

         this.id = builder.getId();

         this.versionNumber = builder.getVersionNumber();

         this.objectId = builder.getObjectId();

     }

     @Override

     public String getType() {

         return this.type;

     }

     @Override

     public String getExpression() {

         return this.expression;

     }

     @Override

     public String getId() {

         return this.id;

     }

     @Override

     public Long getVersionNumber() {

         return this.versionNumber;

     }

     @Override

     public String getObjectId() {

         return this.objectId;

     }

     /**

      * A builder which can be used to construct {@link RuleExpression} instances.  Enforces the constraints of the {@link RuleExpressionContract}.

      * 

      */

     public final static class Builder

         implements Serializable, ModelBuilder, RuleExpressionContract

     {

         private String type;

         private String expression;

         private String id;

         private Long versionNumber;

         private String objectId;

         private Builder() {

             // TODO modify this constructor as needed to pass any required values and invoke the appropriate 'setter' methods

         }

         public static Builder create() {

             // TODO modify as needed to pass any required values and add them to the signature of the 'create' method

             return new Builder();

         }

         public static Builder create(RuleExpressionContract contract) {

             if (contract == null) {

                 throw new IllegalArgumentException("contract was null");

             }

             // TODO if create() is modified to accept required parameters, this will need to be modified

             Builder builder = create();

             builder.setType(contract.getType());

             builder.setExpression(contract.getExpression());

             builder.setId(contract.getId());

             builder.setVersionNumber(contract.getVersionNumber());

             builder.setObjectId(contract.getObjectId());

             return builder;

         }

         public RuleExpression build() {

             return new RuleExpression(this);

         }

         @Override

         public String getType() {

             return this.type;

         }

         @Override

         public String getExpression() {

             return this.expression;

         }

         @Override

         public String getId() {

             return this.id;

         }

         @Override

         public Long getVersionNumber() {

             return this.versionNumber;

         }

         @Override

         public String getObjectId() {

             return this.objectId;

         }

         public void setType(String type) {

             // TODO add validation of input value if required and throw IllegalArgumentException if needed

             this.type = type;

         }

         public void setExpression(String expression) {

             // TODO add validation of input value if required and throw IllegalArgumentException if needed

             this.expression = expression;

         }

         public void setId(String id) {

             // TODO add validation of input value if required and throw IllegalArgumentException if needed

             this.id = id;

         }

         public void setVersionNumber(Long versionNumber) {

             // TODO add validation of input value if required and throw IllegalArgumentException if needed

             this.versionNumber = versionNumber;

         }

         public void setObjectId(String objectId) {

             // TODO add validation of input value if required and throw IllegalArgumentException if needed

             this.objectId = objectId;

         }

     }

     /**

      * Defines some internal constants used on this class.

      * 

      */

     static class Constants {

         final static String ROOT_ELEMENT_NAME = "ruleExpression";

         final static String TYPE_NAME = "RuleExpressionType";

     }

     /**

      * A private class which exposes constants which define the XML element names to use when this object is marshalled to XML.

      * 

      */

     static class Elements {

         final static String TYPE = "type";

         final static String EXPRESSION = "expression";

         final static String ID = "id";

     }

 }