org.hibernate.query.sqm.tree.insert.SqmInsertSelectStatement Maven / Gradle / Ivy

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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 http://www.gnu.org/licenses/lgpl-2.1.html
 */
package org.hibernate.query.sqm.tree.insert;

import org.hibernate.query.criteria.JpaCriteriaInsertSelect;
import org.hibernate.query.criteria.JpaPredicate;
import org.hibernate.query.sqm.NodeBuilder;
import org.hibernate.query.sqm.SemanticQueryWalker;
import org.hibernate.query.sqm.SqmQuerySource;
import org.hibernate.query.sqm.tree.from.SqmRoot;
import org.hibernate.query.sqm.tree.select.SqmQueryPart;
import org.hibernate.query.sqm.tree.select.SqmQuerySpec;

/**
 * @author Steve Ebersole
 */
public class SqmInsertSelectStatement extends AbstractSqmInsertStatement implements JpaCriteriaInsertSelect {
	private SqmQueryPart selectQueryPart;

	public SqmInsertSelectStatement(SqmRoot targetRoot, NodeBuilder nodeBuilder) {
		super( targetRoot, SqmQuerySource.HQL, nodeBuilder );
		this.selectQueryPart = new SqmQuerySpec( nodeBuilder );
	}

	public SqmInsertSelectStatement(Class targetEntity, NodeBuilder nodeBuilder) {
		super(
				new SqmRoot<>(
						nodeBuilder.getDomainModel().entity( targetEntity ),
						null,
						false,
						nodeBuilder
				),
				SqmQuerySource.CRITERIA,
				nodeBuilder
		);
		this.selectQueryPart = new SqmQuerySpec<>( nodeBuilder );
	}

	public SqmQueryPart getSelectQueryPart() {
		return selectQueryPart;
	}

	public void setSelectQueryPart(SqmQueryPart selectQueryPart) {
		this.selectQueryPart = selectQueryPart;
	}

	@Override
	public  X accept(SemanticQueryWalker walker) {
		return walker.visitInsertSelectStatement( this );
	}

	@Override
	public JpaPredicate getRestriction() {
		// insert has no predicate
		return null;
	}

	@Override
	public void appendHqlString(StringBuilder sb) {
		super.appendHqlString( sb );
		sb.append( ' ' );
		selectQueryPart.appendHqlString( sb );
	}
}