MWTypeConversionConverter.java

/*******************************************************************************
 * Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.mappingsmodel.mapping;

import java.util.Set;

import org.eclipse.persistence.tools.workbench.utility.ClassTools;

import org.eclipse.persistence.mappings.DatabaseMapping;
import org.eclipse.persistence.mappings.converters.Converter;
import org.eclipse.persistence.mappings.converters.TypeConversionConverter;
import org.eclipse.persistence.oxm.XMLDescriptor;

//TODO problem messages if the attribute type  changes and no longer matches the
//specified attributeType?  Same goes for dataType, if the databaseField type changes,
//we might not be able to convert to the specified dataType
public abstract class MWTypeConversionConverter extends MWTypeConverter {



    // **************** Static methods ****************************************

    public static XMLDescriptor buildDescriptor() {
        XMLDescriptor descriptor = new XMLDescriptor();

        descriptor.setJavaClass(MWTypeConversionConverter.class);
        descriptor.getInheritancePolicy().setParentClass(MWTypeConverter.class);
        return descriptor;
    }


    // **************** Constructors ******************

    /** Default constructor - for TopLink use only */
    protected MWTypeConversionConverter() {
        super();
    }

    protected MWTypeConversionConverter(MWConverterMapping parent) {
        super(parent);
    }


    public Set getBasicTypes() {
        return this.buildBasicTypes();
    }


    // ************** MWConverter implementation *************

    public String accessibleNameKey() {
        return "ACCESSIBLE_TYPE_CONVERSION_MAPPING_NODE";
    }

    public String getType() {
        return TYPE_CONVERSION_CONVERTER;
    }

    public String iconKey() {
        return "mapping.typeConversion";
    }


    // ************* Runtime Conversion *************

    public Converter runtimeConverter(DatabaseMapping mapping) {
        TypeConversionConverter converter = new TypeConversionConverter(mapping);
        converter.setDataClassName(ClassTools.classNameForTypeDeclaration(getDataType().typeName(), getDataType().getDimensionality()));
        converter.setObjectClassName(ClassTools.classNameForTypeDeclaration(getAttributeType().typeName(), getAttributeType().getDimensionality()));
        return converter;
    }
}