lucee.runtime.orm.hibernate.tuplizer.AbstractEntityTuplizerImpl.java Source code

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Here is the source code for lucee.runtime.orm.hibernate.tuplizer.AbstractEntityTuplizerImpl.java

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/**
 *
 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either 
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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 library.  If not, see <http://www.gnu.org/licenses/>.
 * 
 **/
package lucee.runtime.orm.hibernate.tuplizer;

import java.io.Serializable;
import java.util.HashMap;

import lucee.commons.lang.StringUtil;
import lucee.runtime.Component;
import lucee.runtime.ComponentScope;
import lucee.runtime.engine.ThreadLocalPageContext;
import lucee.runtime.exp.PageException;
import lucee.runtime.op.Caster;
import lucee.runtime.op.Decision;
import lucee.runtime.orm.hibernate.CommonUtil;
import lucee.runtime.orm.hibernate.HBMCreator;
import lucee.runtime.orm.hibernate.HibernateCaster;
import lucee.runtime.orm.hibernate.HibernateUtil;
import lucee.runtime.orm.hibernate.tuplizer.accessors.CFCAccessor;
import lucee.runtime.orm.hibernate.tuplizer.proxy.CFCHibernateProxyFactory;
import lucee.runtime.type.Struct;
import lucee.runtime.type.util.KeyConstants;

import org.hibernate.EntityMode;
import org.hibernate.EntityNameResolver;
import org.hibernate.HibernateException;
import org.hibernate.engine.SessionFactoryImplementor;
import org.hibernate.engine.SessionImplementor;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.mapping.Property;
import org.hibernate.property.Getter;
import org.hibernate.property.PropertyAccessor;
import org.hibernate.property.Setter;
import org.hibernate.proxy.ProxyFactory;
import org.hibernate.tuple.Instantiator;
import org.hibernate.tuple.entity.AbstractEntityTuplizer;
import org.hibernate.tuple.entity.EntityMetamodel;

public class AbstractEntityTuplizerImpl extends AbstractEntityTuplizer {

    private static CFCAccessor accessor = new CFCAccessor();

    public AbstractEntityTuplizerImpl(EntityMetamodel entityMetamodel, PersistentClass persistentClass) {
        super(entityMetamodel, persistentClass);
    }

    @Override
    public Serializable getIdentifier(Object entity, SessionImplementor arg1) {
        return toIdentifier(super.getIdentifier(entity, arg1));
    }

    @Override
    public Serializable getIdentifier(Object entity) throws HibernateException {
        return toIdentifier(super.getIdentifier(entity));
    }

    private Serializable toIdentifier(Serializable id) {
        if (id instanceof Component) {
            HashMap<String, Object> map = new HashMap<String, Object>();
            Component cfc = (Component) id;
            ComponentScope scope = cfc.getComponentScope();
            lucee.runtime.component.Property[] props = HibernateUtil.getIDProperties(cfc, true, true);
            lucee.runtime.component.Property p;
            String name;
            Object value;
            for (int i = 0; i < props.length; i++) {
                p = props[i];
                name = p.getName();
                value = scope.get(CommonUtil.createKey(name), null);
                String type = p.getType();
                if (Decision.isAnyType(type)) {
                    type = "string";
                    try {
                        Object o = p.getMetaData();
                        if (o instanceof Struct) {
                            Struct meta = (Struct) o;
                            String gen = Caster.toString(meta.get(KeyConstants._generator, null), null);
                            if (!StringUtil.isEmpty(gen)) {
                                type = HBMCreator.getDefaultTypeForGenerator(gen, "string");
                            }
                        }
                    } catch (Throwable t) {
                    }
                }

                try {
                    value = HibernateCaster.toHibernateValue(ThreadLocalPageContext.get(), value, type);
                } catch (PageException pe) {
                }

                map.put(name, value);
            }
            return map;
        }
        return id;
    }

    @Override
    protected Instantiator buildInstantiator(PersistentClass persistentClass) {
        return new CFCInstantiator(persistentClass);
    }

    /**
     * return accessors 
     * @param mappedProperty
     * @return
     */
    private PropertyAccessor buildPropertyAccessor(Property mappedProperty) {
        if (mappedProperty.isBackRef()) {
            PropertyAccessor ac = mappedProperty.getPropertyAccessor(null);
            if (ac != null)
                return ac;
        }
        return accessor;
    }

    @Override
    protected Getter buildPropertyGetter(Property mappedProperty, PersistentClass mappedEntity) {
        return buildPropertyAccessor(mappedProperty).getGetter(null, mappedProperty.getName());
    }

    @Override
    protected Setter buildPropertySetter(Property mappedProperty, PersistentClass mappedEntity) {
        return buildPropertyAccessor(mappedProperty).getSetter(null, mappedProperty.getName());
    }

    @Override
    protected ProxyFactory buildProxyFactory(PersistentClass pc, Getter arg1, Setter arg2) {
        CFCHibernateProxyFactory pf = new CFCHibernateProxyFactory();
        pf.postInstantiate(pc);

        return pf;
    }

    @Override
    public String determineConcreteSubclassEntityName(Object entityInstance, SessionFactoryImplementor factory) {
        return CFCEntityNameResolver.INSTANCE.resolveEntityName(entityInstance);
    }

    @Override
    public EntityNameResolver[] getEntityNameResolvers() {
        return new EntityNameResolver[] { CFCEntityNameResolver.INSTANCE };
    }

    @Override
    public Class getConcreteProxyClass() {
        return Component.class;// ????
    }

    @Override
    public Class getMappedClass() {
        return Component.class; // ????
    }

    public EntityMode getEntityMode() {
        return EntityMode.MAP;
    }

    @Override
    public boolean isInstrumented() {
        return false;
    }

}