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Hibernate example source code file (Any.java)

This example Hibernate source code file (Any.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

any, any, map, map, mappingexception, mappingexception, metatype, object, simplevalue, string, string, table, type, util

The Hibernate Any.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2010, Red Hat Inc. 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 Inc.
 *
 * 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.mapping;
import java.util.Map;
import org.hibernate.MappingException;
import org.hibernate.cfg.Mappings;
import org.hibernate.type.MetaType;
import org.hibernate.type.Type;

/**
 * A Hibernate "any" type (ie. polymorphic association to
 * one-of-several tables).
 * @author Gavin King
 */
public class Any extends SimpleValue {
	private String identifierTypeName;
	private String metaTypeName = "string";
	private Map metaValues;

	public Any(Mappings mappings, Table table) {
		super( mappings, table );
	}

	public String getIdentifierType() {
		return identifierTypeName;
	}

	public void setIdentifierType(String identifierType) {
		this.identifierTypeName = identifierType;
	}

	public Type getType() throws MappingException {
		final Type metaType = getMappings().getTypeResolver().heuristicType( metaTypeName );

		return getMappings().getTypeResolver().getTypeFactory().any(
				metaValues == null ? metaType : new MetaType( metaValues, metaType ),
				getMappings().getTypeResolver().heuristicType( identifierTypeName )
		);
	}

	public void setTypeByReflection(String propertyClass, String propertyName) {}

	public String getMetaType() {
		return metaTypeName;
	}

	public void setMetaType(String type) {
		metaTypeName = type;
	}

	public Map getMetaValues() {
		return metaValues;
	}

	public void setMetaValues(Map metaValues) {
		this.metaValues = metaValues;
	}

	public void setTypeUsingReflection(String className, String propertyName)
		throws MappingException {
	}

	public Object accept(ValueVisitor visitor) {
		return visitor.accept(this);
	}
}

Other Hibernate examples (source code examples)

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