org.hibernate.criterion.SimpleSubqueryExpression Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
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*/
package org.hibernate.criterion;
import org.hibernate.Criteria;
import org.hibernate.EntityMode;
import org.hibernate.HibernateException;
import org.hibernate.engine.spi.TypedValue;
/**
* A comparison between a constant value and the the result of a subquery
* @author Gavin King
*/
public class SimpleSubqueryExpression extends SubqueryExpression {
private Object value;
protected SimpleSubqueryExpression(Object value, String op, String quantifier, DetachedCriteria dc) {
super(op, quantifier, dc);
this.value = value;
}
public TypedValue[] getTypedValues(Criteria criteria, CriteriaQuery criteriaQuery)
throws HibernateException {
TypedValue[] superTv = super.getTypedValues(criteria, criteriaQuery);
TypedValue[] result = new TypedValue[superTv.length+1];
System.arraycopy(superTv, 0, result, 1, superTv.length);
result[0] = new TypedValue( getTypes()[0], value, EntityMode.POJO );
return result;
}
protected String toLeftSqlString(Criteria criteria, CriteriaQuery criteriaQuery) {
return "?";
}
}