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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 javax.persistence.criteria.Subquery;
import org.hibernate.query.criteria.internal.CriteriaBuilderImpl;
import org.hibernate.query.criteria.internal.ParameterRegistry;
import org.hibernate.query.criteria.internal.Renderable;
import org.hibernate.query.criteria.internal.compile.RenderingContext;
/**
* Represents a {@link Modifier#ALL}, {@link Modifier#ANY}, {@link Modifier#SOME} modifier applied to a subquery as
* part of a comparison.
*
* @author Steve Ebersole
*/
public class SubqueryComparisonModifierExpression
extends ExpressionImpl
implements Serializable {
public static enum Modifier {
ALL {
String rendered() {
return "all ";
}
},
SOME {
String rendered() {
return "some ";
}
},
ANY {
String rendered() {
return "any ";
}
};
abstract String rendered();
}
private final Subquery subquery;
private final Modifier modifier;
public SubqueryComparisonModifierExpression(
CriteriaBuilderImpl criteriaBuilder,
Class javaType,
Subquery subquery,
Modifier modifier) {
super( criteriaBuilder, javaType);
this.subquery = subquery;
this.modifier = modifier;
}
public Modifier getModifier() {
return modifier;
}
public Subquery getSubquery() {
return subquery;
}
public void registerParameters(ParameterRegistry registry) {
// nothing to do (the subquery should be handled directly, and the modified itself is not parameterized)
}
public String render(RenderingContext renderingContext) {
return getModifier().rendered() + ( (Renderable) getSubquery() ).render( renderingContext );
}
}