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Hibernate example source code file (TypeLocatorImpl.java)

This example Hibernate source code file (TypeLocatorImpl.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

basictype, basictype, class, class, io, properties, serializable, suppresswarnings, type, type, typehelper, typelocatorimpl, typelocatorimpl, typeresolver, util

The Hibernate TypeLocatorImpl.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.internal;
import java.io.Serializable;
import java.util.Properties;
import org.hibernate.TypeHelper;
import org.hibernate.type.BasicType;
import org.hibernate.type.Type;
import org.hibernate.type.TypeResolver;
import org.hibernate.usertype.CompositeUserType;

/**
 * Implementation of {@link org.hibernate.TypeHelper}
 *
 * @todo Do we want to cache the results of {@link #entity}, {@link #custom} and {@link #any} ?
 *
 * @author Steve Ebersole
 */
public class TypeLocatorImpl implements TypeHelper, Serializable {
	private final TypeResolver typeResolver;

	public TypeLocatorImpl(TypeResolver typeResolver) {
		this.typeResolver = typeResolver;
	}

	/**
	 * {@inheritDoc}
	 */
	public BasicType basic(String name) {
		return typeResolver.basic( name );
	}

	/**
	 * {@inheritDoc}
	 */
	public BasicType basic(Class javaType) {
		BasicType type = typeResolver.basic( javaType.getName() );
		if ( type == null ) {
			final Class variant = resolvePrimitiveOrPrimitiveWrapperVariantJavaType( javaType );
			if ( variant != null ) {
				type = typeResolver.basic( variant.getName() );
			}
		}
		return type;
	}

	private Class resolvePrimitiveOrPrimitiveWrapperVariantJavaType(Class javaType) {
		// boolean
		if ( Boolean.TYPE.equals( javaType ) ) {
			return Boolean.class;
		}
		if ( Boolean.class.equals( javaType ) ) {
			return Boolean.TYPE;
		}

		// char
		if ( Character.TYPE.equals( javaType ) ) {
			return Character.class;
		}
		if ( Character.class.equals( javaType ) ) {
			return Character.TYPE;
		}

		// byte
		if ( Byte.TYPE.equals( javaType ) ) {
			return Byte.class;
		}
		if ( Byte.class.equals( javaType ) ) {
			return Byte.TYPE;
		}

		// short
		if ( Short.TYPE.equals( javaType ) ) {
			return Short.class;
		}
		if ( Short.class.equals( javaType ) ) {
			return Short.TYPE;
		}

		// int
		if ( Integer.TYPE.equals( javaType ) ) {
			return Integer.class;
		}
		if ( Integer.class.equals( javaType ) ) {
			return Integer.TYPE;
		}

		// long
		if ( Long.TYPE.equals( javaType ) ) {
			return Long.class;
		}
		if ( Long.class.equals( javaType ) ) {
			return Long.TYPE;
		}

		// float
		if ( Float.TYPE.equals( javaType ) ) {
			return Float.class;
		}
		if ( Float.class.equals( javaType ) ) {
			return Float.TYPE;
		}

		// double
		if ( Double.TYPE.equals( javaType ) ) {
			return Double.class;
		}
		if ( Double.class.equals( javaType ) ) {
			return Double.TYPE;
		}

		return null;
	}

	/**
	 * {@inheritDoc}
	 */
	public Type heuristicType(String name) {
		return typeResolver.heuristicType( name );
	}

	/**
	 * {@inheritDoc}
	 */
	public Type entity(Class entityClass) {
		return entity( entityClass.getName() );
	}

	/**
	 * {@inheritDoc}
	 */
	public Type entity(String entityName) {
		return typeResolver.getTypeFactory().manyToOne( entityName );
	}

	/**
	 * {@inheritDoc}
	 */
	@SuppressWarnings({ "unchecked" })
	public Type custom(Class userTypeClass) {
		return custom( userTypeClass, null );
	}

	/**
	 * {@inheritDoc}
	 */
	@SuppressWarnings({ "unchecked" })
	public Type custom(Class userTypeClass, Properties parameters) {
		if ( CompositeUserType.class.isAssignableFrom( userTypeClass ) ) {
			return typeResolver.getTypeFactory().customComponent( userTypeClass, parameters );
		}
		else {
			return typeResolver.getTypeFactory().custom( userTypeClass, parameters );
		}
	}

	/**
	 * {@inheritDoc}
	 */
	public Type any(Type metaType, Type identifierType) {
		return typeResolver.getTypeFactory().any( metaType, identifierType );
	}
}

Other Hibernate examples (source code examples)

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