/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.query.criteria.internal;
import java.math.BigDecimal;
import java.math.BigInteger;
import javax.persistence.criteria.Expression;
/**
* Internal contract for implementations of the JPA {@link Expression} contract.
*
* @author Steve Ebersole
*/
public interface ExpressionImplementor<T> extends SelectionImplementor<T>, Expression<T>, Renderable {
/**
* See {@link javax.persistence.criteria.CriteriaBuilder#toLong}
*
* @return <tt>this</tt> but as a long
*/
public ExpressionImplementor<Long> asLong();
/**
* See {@link javax.persistence.criteria.CriteriaBuilder#toInteger}
*
* @return <tt>this</tt> but as an integer
*/
public ExpressionImplementor<Integer> asInteger();
/**
* See {@link javax.persistence.criteria.CriteriaBuilder#toFloat}
*
* @return <tt>this</tt> but as a float
*/
public ExpressionImplementor<Float> asFloat();
/**
* See {@link javax.persistence.criteria.CriteriaBuilder#toDouble}
*
* @return <tt>this</tt> but as a double
*/
public ExpressionImplementor<Double> asDouble();
/**
* See {@link javax.persistence.criteria.CriteriaBuilder#toBigDecimal}
*
* @return <tt>this</tt> but as a {@link BigDecimal}
*/
public ExpressionImplementor<BigDecimal> asBigDecimal();
/**
* See {@link javax.persistence.criteria.CriteriaBuilder#toBigInteger}
*
* @return <tt>this</tt> but as a {@link BigInteger}
*/
public ExpressionImplementor<BigInteger> asBigInteger();
/**
* See {@link javax.persistence.criteria.CriteriaBuilder#toString}
*
* @return <tt>this</tt> but as a string
*/
public ExpressionImplementor<String> asString();
}