Hibernate example source code file (NativeSQLQueryJoinReturn.java)

This example Hibernate source code file (NativeSQLQueryJoinReturn.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

lockmode, lockmode, map, map, nativesqlqueryjoinreturn, nativesqlqueryjoinreturn, nativesqlquerynonscalarreturn, string, string, util

The Hibernate NativeSQLQueryJoinReturn.java source code

/*
 * 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.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 *
 */
package org.hibernate.engine.query.spi.sql;
import java.util.Map;
import org.hibernate.LockMode;

/**
 * Represents a return defined as part of a native sql query which
 * names a fetched role.
 *
 * @author Steve Ebersole
 */
public class NativeSQLQueryJoinReturn extends NativeSQLQueryNonScalarReturn {
	private final String ownerAlias;
	private final String ownerProperty;
	private final int hashCode;
	/**
	 * Construct a return descriptor representing some form of fetch.
	 *
	 * @param alias The result alias
	 * @param ownerAlias The owner's result alias
	 * @param ownerProperty The owner's property representing the thing to be fetched
	 * @param propertyResults Any user-supplied column->property mappings
	 * @param lockMode The lock mode to apply
	 */
	public NativeSQLQueryJoinReturn(
			String alias,
			String ownerAlias,
			String ownerProperty,
			Map propertyResults,
			LockMode lockMode) {
		super( alias, propertyResults, lockMode );
		this.ownerAlias = ownerAlias;
		this.ownerProperty = ownerProperty;
		this.hashCode = determineHashCode();
	}

	/**
	 * Retrieve the alias of the owner of this fetched association.
	 *
	 * @return The owner's alias.
	 */
	public String getOwnerAlias() {
		return ownerAlias;
	}

	/**
	 * Retrieve the property name (relative to the owner) which maps to
	 * the association to be fetched.
	 *
	 * @return The property name.
	 */
	public String getOwnerProperty() {
		return ownerProperty;
	}

	public boolean equals(Object o) {
		if ( this == o ) {
			return true;
		}
		if ( o == null || getClass() != o.getClass() ) {
			return false;
		}
		if ( !super.equals( o ) ) {
			return false;
		}

		NativeSQLQueryJoinReturn that = ( NativeSQLQueryJoinReturn ) o;

		if ( ownerAlias != null ? !ownerAlias.equals( that.ownerAlias ) : that.ownerAlias != null ) {
			return false;
		}
		if ( ownerProperty != null ? !ownerProperty.equals( that.ownerProperty ) : that.ownerProperty != null ) {
			return false;
		}

		return true;
	}

	public int hashCode() {
		return hashCode;
	}

	private int determineHashCode() {
		int result = super.hashCode();
		result = 31 * result + ( ownerAlias != null ? ownerAlias.hashCode() : 0 );
		result = 31 * result + ( ownerProperty != null ? ownerProperty.hashCode() : 0 );
		return result;
	}
}