org.eclipse.emf.teneo.hibernate.tuplizer.EMFComponentTuplizer.java Source code

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Here is the source code for org.eclipse.emf.teneo.hibernate.tuplizer.EMFComponentTuplizer.java

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/**
 * <copyright>
 *
 * Copyright (c) 2005, 2006, 2007, 2008 Springsite BV (The Netherlands) and others
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Martin Taal
 * </copyright>
 *
 * $Id: EMFComponentTuplizer.java,v 1.14 2010/08/18 11:50:38 mtaal Exp $
 */

package org.eclipse.emf.teneo.hibernate.tuplizer;

import java.lang.reflect.Method;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.teneo.ERuntime;
import org.eclipse.emf.teneo.hibernate.HbDataStore;
import org.eclipse.emf.teneo.hibernate.HbHelper;
import org.eclipse.emf.teneo.hibernate.HbMapperException;
import org.eclipse.emf.teneo.hibernate.HbUtil;
import org.hibernate.engine.SessionFactoryImplementor;
import org.hibernate.mapping.Component;
import org.hibernate.mapping.Property;
import org.hibernate.property.Getter;
import org.hibernate.property.PropertyAccessor;
import org.hibernate.property.Setter;
import org.hibernate.tuple.Instantiator;
import org.hibernate.tuple.component.AbstractComponentTuplizer;

/**
 * @author <a href="mailto:mtaal@elver.org">Martin Taal</a>
 * @version $Revision: 1.14 $
 */

public class EMFComponentTuplizer extends AbstractComponentTuplizer {

    /**
     * Generated Serial ID
     */
    private static final long serialVersionUID = 6316160569897347041L;

    private EClass eClass;

    /** The logger */
    // private static Log log = LogFactory.getLog(EMFComponentTuplizer.class);
    /** Constructor */
    public EMFComponentTuplizer(Component component) {
        super(component);
    }

    private EClass getEClass(Component component) {
        if (eClass == null) {
            final HbDataStore ds = HbHelper.INSTANCE.getDataStore(component);
            eClass = ds.getEntityNameStrategy().toEClass(component.getComponentClassName());
            if (eClass == null) {
                eClass = ERuntime.INSTANCE.getEClass(component.getComponentClass());
            }
            if (eClass == null) {
                eClass = HbUtil.getEClassFromMeta(component);
            }
        }
        if (eClass == null) {
            throw new HbMapperException("No eclass found for entityname: " + component.getComponentClassName());
        }
        return eClass;
    }

    /** Creates an EMF Instantiator */
    protected Instantiator buildInstantiator(Component component, Property property) {
        return buildInstantiator(component);
    }

    /** Creates an EMF Instantiator */
    @Override
    protected Instantiator buildInstantiator(Component component) {
        return new EMFInstantiator(getEClass(component), component);
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.hibernate.tuple.AbstractEntityTuplizer#buildPropertyGetter(org.hibernate.mapping.Property,
     * org.hibernate.mapping.PersistentClass)
     */
    @Override
    protected Getter buildGetter(Component component, Property mappedProperty) {
        return getPropertyAccessor(mappedProperty, component).getGetter(null, mappedProperty.getName());
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.hibernate.tuple.AbstractEntityTuplizer#buildPropertySetter(org.hibernate.mapping.Property,
     * org.hibernate.mapping.PersistentClass)
     */
    @Override
    protected Setter buildSetter(Component component, Property mappedProperty) {
        return getPropertyAccessor(mappedProperty, component).getSetter(null, mappedProperty.getName());
    }

    /** Returns the correct accessor on the basis of the type of property */
    public PropertyAccessor getPropertyAccessor(Property mappedProperty, Component comp) {
        final HbDataStore ds = HbHelper.INSTANCE.getDataStore(comp);
        return HbUtil.getPropertyAccessor(mappedProperty, ds, comp.getComponentClassName(), getEClass(comp));
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.hibernate.tuple.Tuplizer#getMappedClass()
     */
    public Class<?> getMappedClass() {
        return EObject.class;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.hibernate.tuple.ComponentTuplizer#getParent(java.lang.Object)
     */
    @Override
    public Object getParent(Object component) {
        return null;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.hibernate.tuple.ComponentTuplizer#hasParentProperty()
     */
    @Override
    public boolean hasParentProperty() {
        return false;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.hibernate.tuple.ComponentTuplizer#isMethodOf(java.lang.reflect.Method)
     */
    @Override
    public boolean isMethodOf(Method method) {
        return false;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.hibernate.tuple.ComponentTuplizer#setParent(java.lang.Object, java.lang.Object,
     * org.hibernate.engine.SessionFactoryImplementor)
     */
    @Override
    public void setParent(Object component, Object parent, SessionFactoryImplementor factory) {
    }
}