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/*
* 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 .
*/
package org.hibernate.query.criteria.internal.expression;
import java.io.Serializable;
import org.hibernate.query.criteria.internal.CriteriaBuilderImpl;
import org.hibernate.query.criteria.internal.ParameterRegistry;
import org.hibernate.query.criteria.internal.compile.RenderingContext;
import org.hibernate.query.criteria.internal.path.PluralAttributePath;
/**
* Represents a "size of" expression in regards to a persistent collection; the implication is
* that of a subquery.
*
* @author Steve Ebersole
*/
public class SizeOfPluralAttributeExpression
extends ExpressionImpl
implements Serializable {
private final PluralAttributePath path;
public SizeOfPluralAttributeExpression(
CriteriaBuilderImpl criteriaBuilder,
PluralAttributePath path) {
super( criteriaBuilder, Integer.class);
this.path = path;
}
/**
* @deprecated Use {@link #getPluralAttributePath()} instead
*/
@Deprecated
public PluralAttributePath getCollectionPath() {
return path;
}
public PluralAttributePath getPluralAttributePath() {
return path;
}
public void registerParameters(ParameterRegistry registry) {
// nothing to do
}
public String render(RenderingContext renderingContext) {
return "size(" + getPluralAttributePath().render( renderingContext ) + ")";
}
}