Examples of org.apache.cayenne.map.DerivedDbEntity

org.apache.cayenne.map.DerivedDbEntity
DbEntity subclass that is based on another DbEntity and allows to define complex database expressions like GROUP BY and aggregate functions. @author Andrus Adamchik @deprecated since 3.0M2 (scheduled for removal in 3.0M3) this type of mapping is no longer supported.

        }
    }


    static class DerivedDbEntityFactory extends DbEntityFactory {
        protected Object create(String name, Object namingContext) {
            return new DerivedDbEntity(name);
        }

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        }
    }


    static class DerivedDbEntityFactory extends DbEntityFactory {
        protected Object create(String name, Object namingContext) {
            return new DerivedDbEntity(name);
        }

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    /**
     * @see org.apache.cayenne.modeler.util.CayenneAction#performAction(ActionEvent)
     */
    public void performAction(ActionEvent e) {
        DerivedDbEntity ent = (DerivedDbEntity) getProjectController().getCurrentDbEntity();


        if (ent != null && ent.getParentEntity() != null) {
            ent.resetToParentView();
            ProjectUtil.cleanObjMappings(getProjectController().getCurrentDataMap());


            // fire a chain of "remove/add" events for entity
            // this seems to be the only way to refresh the view
            getProjectController().fireObjEntityEvent(

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            public void actionPerformed(ActionEvent e) {
                DbEntity current = mediator.getCurrentDbEntity();


                if (current instanceof DerivedDbEntity) {
                    DerivedDbEntity derived = (DerivedDbEntity) current;
                    DbEntity parent = (DbEntity) parentEntities.getSelectedItem();


                    if (parent != derived.getParentEntity()) {
                        derived.setParentEntity(parent);
                        derived.resetToParentView();
                        ProjectUtil.cleanObjMappings(mediator.getCurrentDataMap());


                        EntityEvent event = new EntityEvent(this, current);
                        mediator.fireDbEntityEvent(event);
                    }

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        }
    }


    static class DerivedDbEntityFactory extends DbEntityFactory {
        protected Object create(String name, Object namingContext) {
            return new DerivedDbEntity(name);
        }

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