Package org.apache.cayenne.modeler.dialog.datamap

Source Code of org.apache.cayenne.modeler.dialog.datamap.SchemaUpdateController

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*  to you under the Apache License, Version 2.0 (the
*  "License"); you may not use this file except in compliance
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*
*    http://www.apache.org/licenses/LICENSE-2.0
*
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package org.apache.cayenne.modeler.dialog.datamap;

import java.util.Iterator;

import org.apache.cayenne.map.DataMap;
import org.apache.cayenne.map.DbEntity;
import org.apache.cayenne.map.Procedure;
import org.apache.cayenne.map.event.EntityEvent;
import org.apache.cayenne.map.event.ProcedureEvent;
import org.apache.cayenne.modeler.ProjectController;
import org.apache.cayenne.util.Util;
import org.scopemvc.core.Control;
import org.scopemvc.core.ControlException;
import org.scopemvc.view.swing.SPanel;

/**
* A controller for batch DbEntities schema update.
*
*/
public class SchemaUpdateController extends DefaultsPreferencesController {

    public static final String ALL_CONTROL = "cayenne.modeler.datamap.defaultprefs.schema.radio";
    public static final String UNINIT_CONTROL = "cayenne.modeler.datamap.defaultprefs.schemanull.radio";

    public SchemaUpdateController(ProjectController mediator, DataMap dataMap) {
        super(mediator, dataMap);
    }

    /**
     * Creates and runs the schema update dialog.
     */
    public void startup() {
        SPanel view = new DefaultsPreferencesDialog(ALL_CONTROL, UNINIT_CONTROL);
        view.setTitle("Update DbEntities Schema");
        setView(view);
        super.startup();
    }

    protected void doHandleControl(Control control) throws ControlException {
        if (control.matchesID(UPDATE_CONTROL)) {
            updateSchema();
        }
        else {
            super.doHandleControl(control);
        }
    }

    protected void updateSchema() {
        boolean doAll = ((DefaultsPreferencesModel) getModel()).isAllEntities();
        String defaultSchema = dataMap.getDefaultSchema();

        // set schema for DbEntities
        for (DbEntity entity : dataMap.getDbEntities()) {
            if (doAll || Util.isEmptyString(entity.getSchema())) {
                if (!Util.nullSafeEquals(defaultSchema, entity.getSchema())) {
                    entity.setSchema(defaultSchema);

                    // any way to batch events, a big change will flood the app with
                    // entity events..?
                    mediator.fireDbEntityEvent(new EntityEvent(this, entity));
                }
            }
        }

        // set schema for procedures...
        for (Procedure procedure : dataMap.getProcedures()) {
            if (doAll || Util.isEmptyString(procedure.getSchema())) {
                if (!Util.nullSafeEquals(defaultSchema, procedure.getSchema())) {
                    procedure.setSchema(defaultSchema);

                    // any way to batch events, a big change will flood the app with
                    // procedure events..?
                    mediator.fireProcedureEvent(new ProcedureEvent(this, procedure));
                }
            }
        }
        shutdown();
    }
}
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