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Hibernate's core ORM functionality

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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;

import javax.persistence.criteria.CriteriaDelete;
import javax.persistence.criteria.Expression;
import javax.persistence.criteria.Predicate;

import org.hibernate.query.criteria.internal.compile.RenderingContext;

/**
 * Hibernate implementation of the JPA 2.1 {@link CriteriaDelete} contract.
 *
 * @author Steve Ebersole
 */
public class CriteriaDeleteImpl extends AbstractManipulationCriteriaQuery implements CriteriaDelete {
	protected CriteriaDeleteImpl(CriteriaBuilderImpl criteriaBuilder) {
		super( criteriaBuilder );
	}

	@Override
	public CriteriaDelete where(Expression restriction) {
		setRestriction( restriction );
		return this;
	}

	@Override
	public CriteriaDelete where(Predicate... restrictions) {
		setRestriction( restrictions );
		return this;
	}

	@Override
	protected String renderQuery(RenderingContext renderingContext) {
		final StringBuilder jpaql = new StringBuilder( "delete " );
		renderRoot( jpaql, renderingContext );
		renderRestrictions( jpaql, renderingContext );

		return jpaql.toString();
	}
}