~ubuntu-branches/ubuntu/wily/libhibernate3-java/wily-proposed

//$Id: BetweenExpression.java 5685 2005-02-12 07:19:50Z steveebersole $

package org.hibernate.criterion;

 

 

import org.hibernate.Criteria;

import org.hibernate.HibernateException;

import org.hibernate.engine.TypedValue;

import org.hibernate.util.StringHelper;

 

/**

 * Constrains a property to between two values

 * @author Gavin King

 */

public class BetweenExpression implements Criterion {

 

        private final String propertyName;

        private final Object lo;

        private final Object hi;

 

        protected BetweenExpression(String propertyName, Object lo, Object hi) {

                this.propertyName = propertyName;

                this.lo = lo;

                this.hi = hi;

        }

 

        public String toSqlString(Criteria criteria, CriteriaQuery criteriaQuery)

        throws HibernateException {

                return StringHelper.join(

                        " and ",

                        StringHelper.suffix( criteriaQuery.getColumnsUsingProjection(criteria, propertyName), " between ? and ?" )

                );

 

                //TODO: get SQL rendering out of this package!

        }

 

        public TypedValue[] getTypedValues(Criteria criteria, CriteriaQuery criteriaQuery)

        throws HibernateException {

                return new TypedValue[] {

                                criteriaQuery.getTypedValue(criteria, propertyName, lo),

                                criteriaQuery.getTypedValue(criteria, propertyName, hi)

                };

        }

 

        public String toString() {

                return propertyName + " between " + lo + " and " + hi;

        }

 

}