/*

  * 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.core.api.criteria;

 import java.util.List;

 import javax.xml.bind.annotation.XmlAccessType;

 import javax.xml.bind.annotation.XmlAccessorType;

 import javax.xml.bind.annotation.XmlRootElement;

 import javax.xml.bind.annotation.XmlType;

 /**

  * An immutable composite expression which implements "or-ing" of multiple

  * expressions together. 

  * 

  * <p>Constructed as part of a {@link Criteria} when built using a

  * {@link CriteriaBuilder}.

  * 

  * @see Criteria

  * @see CriteriaBuilder

  * 

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

  */

 @XmlRootElement(name = OrExpression.Constants.ROOT_ELEMENT_NAME)

 @XmlAccessorType(XmlAccessType.NONE)

 @XmlType(name = OrExpression.Constants.TYPE_NAME)

 public final class OrExpression extends AbstractCompositeExpression {

         private static final long serialVersionUID = -6575256900578172242L;

         /**

          * Used only by JAXB for construction.

          */

         @SuppressWarnings("unused")

         private OrExpression() {

                 super();

         }

         /**

          * Construct an "Or" expression from the given list of expressions.  The given list

          * of expressions can be null or empty.  If the list is null then it will be

          * translated internally to an empty list.

          * 

          * @param expressions the List of expressions to set on the And expression

          */

         OrExpression(List<Expression> expressions) {

             super(expressions);

         }

         /**

      * Defines some internal constants used on this class.

      */

     static class Constants {

         final static String ROOT_ELEMENT_NAME = "or";

         final static String TYPE_NAME = "OrType";

     }

 }