MWRelationalReadObjectQuery.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.query.relational;

import org.eclipse.persistence.tools.workbench.mappingsmodel.MWModel;
import org.eclipse.persistence.tools.workbench.mappingsmodel.meta.MWClass;
import org.eclipse.persistence.tools.workbench.mappingsmodel.query.MWAbstractQuery;
import org.eclipse.persistence.tools.workbench.mappingsmodel.query.MWReadAllQuery;
import org.eclipse.persistence.tools.workbench.mappingsmodel.query.MWReadObjectQuery;

import org.eclipse.persistence.descriptors.ClassDescriptor;
import org.eclipse.persistence.oxm.XMLDescriptor;
import org.eclipse.persistence.queries.ObjectLevelReadQuery;
import org.eclipse.persistence.queries.ReadObjectQuery;

public final class MWRelationalReadObjectQuery
    extends MWAbstractRelationalReadQuery
    implements MWReadObjectQuery
{

    // **************** static methods ****************

    public static XMLDescriptor buildDescriptor() {
        XMLDescriptor descriptor = new XMLDescriptor();
        descriptor.setJavaClass(MWRelationalReadObjectQuery.class);
        descriptor.getInheritancePolicy().setParentClass(MWAbstractRelationalReadQuery.class);

        return descriptor;
    }

    /** Default constructor - for TopLink use only. */
    private MWRelationalReadObjectQuery() {
        super();
    }

    MWRelationalReadObjectQuery(MWRelationalQueryManager parent, String name) {
        super(parent, name);
    }


    // ******************* Morphing *******************

    public String queryType() {
        return READ_OBJECT_QUERY;
    }


    public MWReadAllQuery asReadAllQuery() {
        getQueryManager().removeQuery(this);
        MWReadAllQuery newQuery = getQueryManager().addReadAllQuery(getName());
        ((MWAbstractQuery) newQuery).initializeFrom((MWReadObjectQuery) this);
        return newQuery;
    }

    public MWReadObjectQuery asReadObjectQuery() {
        return this;
    }

    public MWReportQuery asReportQuery() {
        getQueryManager().removeQuery(this);
        MWReportQuery newQuery = ((MWRelationalQueryManager) getQueryManager()).addReportQuery(getName());
        newQuery.initializeFrom((MWReadObjectQuery) this);
        return newQuery;
    }

    public MWClass findMethodReturnType(MWClass createMethodReturnType) {
        return createMethodReturnType;
    }

    public void formatSetToEjbql() {
        //do nothing
    }

    public void formatSetToSql() {
        //do nothing
    }

    // **************** Runtime conversion ****************

    protected ObjectLevelReadQuery buildRuntimeQuery() {
        return new ReadObjectQuery();
    }

}