org.hibernate.metamodel.source.annotations.attribute.type.AbstractAttributeTypeResolver Maven / Gradle / Ivy

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The core O/RM functionality as provided by Hibernate

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/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2011, 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.metamodel.source.annotations.attribute.type;

import java.util.Collections;
import java.util.Map;

import org.hibernate.internal.util.StringHelper;

import org.jboss.jandex.AnnotationInstance;

/**
 * @author Strong Liu
 */
public abstract class AbstractAttributeTypeResolver implements AttributeTypeResolver {
	protected abstract AnnotationInstance getTypeDeterminingAnnotationInstance();

	protected abstract String resolveHibernateTypeName(AnnotationInstance annotationInstance);

	protected Map resolveHibernateTypeParameters(AnnotationInstance annotationInstance) {
		return Collections.emptyMap();
	}

	@Override
	final public String getExplicitHibernateTypeName() {
		return resolveHibernateTypeName( getTypeDeterminingAnnotationInstance() );
	}

	@Override
	final public Map getExplicitHibernateTypeParameters() {
		if ( StringHelper.isNotEmpty( getExplicitHibernateTypeName() ) ) {
			return resolveHibernateTypeParameters( getTypeDeterminingAnnotationInstance() );
		}
		else {
			return Collections.emptyMap();
		}
	}
}