EDIT

package eu.etaxonomy.taxeditor.editor.view.derivate.handler;

import eu.etaxonomy.cdm.api.service.IOccurrenceService;

import eu.etaxonomy.cdm.model.molecular.DnaSample;

import eu.etaxonomy.cdm.model.molecular.Sequence;

import eu.etaxonomy.cdm.model.occurrence.DerivationEventType;

import eu.etaxonomy.cdm.model.occurrence.DerivedUnit;

import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationType;

import eu.etaxonomy.taxeditor.store.CdmStore;

public class AddConsensusSequenceHandler extends AbstractAddDerivativeHandler{

    @Override

    protected boolean isAllowed(Object derivative) {

        if(derivative instanceof DnaSample && ((DnaSample)derivative).getRecordBasis()==SpecimenOrObservationType.DnaSample){

            return true;

        }

        return false;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected Object addElement(Object selectedDerivative) {

        Sequence newInstance = Sequence.NewInstance((DnaSample) selectedDerivative, "", 0); //$NON-NLS-1$

        CdmStore.getService(IOccurrenceService.class).merge((DnaSample) selectedDerivative, true);

        return newInstance;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected DerivedUnit createDerivative() {

        //not used here

        return null;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected DerivationEventType getDerivationeType() {

        //not used here

        return null;

    }

}