org.hibernate.type.EmbeddedComponentType.java Source code

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Here is the source code for org.hibernate.type.EmbeddedComponentType.java

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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.type;

import java.lang.reflect.Method;

import org.hibernate.HibernateException;
import org.hibernate.engine.spi.SharedSessionContractImplementor;
import org.hibernate.tuple.component.ComponentMetamodel;

/**
 * @author Gavin King
 */
public class EmbeddedComponentType extends ComponentType {

    /**
     * @deprecated Use the other contructor
     */
    @Deprecated
    public EmbeddedComponentType(TypeFactory.TypeScope typeScope, ComponentMetamodel metamodel) {
        super(metamodel);
    }

    public EmbeddedComponentType(ComponentMetamodel metamodel) {
        super(metamodel);
    }

    public boolean isEmbedded() {
        return true;
    }

    public boolean isMethodOf(Method method) {
        return componentTuplizer.isMethodOf(method);
    }

    @Override
    public Object instantiate(Object parent, SharedSessionContractImplementor session) throws HibernateException {
        final boolean useParent = parent != null &&
        //TODO: Yuck! This is not quite good enough, it's a quick
        //hack around the problem of having a to-one association
        //that refers to an embedded component:
                super.getReturnedClass().isInstance(parent);

        return useParent ? parent : super.instantiate(parent, session);
    }
}