com.hmsinc.epicenter.integrator.service.event.DischargeService.java Source code

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Here is the source code for com.hmsinc.epicenter.integrator.service.event.DischargeService.java

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/**
 * Copyright (C) 2008 University of Pittsburgh
 * 
 * 
 * This file is part of Open EpiCenter
 * 
 *     Open EpiCenter is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     Open EpiCenter is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 * 
 *     You should have received a copy of the GNU General Public License
 *     along with Open EpiCenter.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * 
 *   
 */
package com.hmsinc.epicenter.integrator.service.event;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.Validate;

import ca.uhn.hl7v2.model.v25.datatype.IS;
import ca.uhn.hl7v2.model.v25.message.ADT_A03;

import com.hmsinc.epicenter.integrator.DuplicateDataException;
import com.hmsinc.epicenter.integrator.IncompleteDataException;
import com.hmsinc.epicenter.integrator.IncompleteDataException.IncompleteDataType;
import com.hmsinc.epicenter.model.health.Discharge;
import com.hmsinc.epicenter.model.health.Interaction;
import com.hmsinc.epicenter.model.health.PatientDetail;
import com.hmsinc.mergence.model.HL7Message;

/**
 * Handles discharge (ADT_A03) messages.
 * 
 * @author <a href="mailto:steve.kondik@hmsinc.com">Steve Kondik</a>
 * @org.apache.xbean.XBean element="dischargeService" description="EpiCenter
 *                         Discharge Service"
 */
public class DischargeService extends AbstractHL7EventHandler<Discharge> {

    /*
     * (non-Javadoc)
     * 
     * @see com.hmsinc.epicenter.integrator.service.event.HL7EventService#handleEvent(com.hmsinc.mergence.model.HL7Message,
     *      com.hmsinc.epicenter.model.health.PatientDetail)
     */
    public Discharge handleEvent(HL7Message message, PatientDetail details) throws Exception {

        Validate.notNull(message);
        Validate.notNull(details);

        // Make sure we have a patientId
        if (details.getPatient().getPatientId() == null) {
            throw new IncompleteDataException("No patient ID in message.", IncompleteDataType.PATIENT_ID);
        }

        final Discharge discharge = new Discharge();
        configureInteraction(message, discharge, details);

        Validate.isTrue(message.getMessage() instanceof ADT_A03);
        final ADT_A03 adt = (ADT_A03) message.getMessage();

        // Visit number (PV1-19) - REQUIRED FOR DISCHARGE
        discharge.setVisitNumber(StringUtils.trimToNull(adt.getPV1().getVisitNumber().getIDNumber().getValue()));
        if (discharge.getVisitNumber() == null) {
            throw new IncompleteDataException("No visit number in message.", IncompleteDataType.VISIT_NUMBER);
        }

        // Disposition (PV1-36)
        final IS disposition = adt.getPV1().getDischargeDisposition();
        if (disposition == null) {
            throw new IncompleteDataException("No discharge disposition in message.",
                    IncompleteDataType.DISCHARGE_DISPOSITION);
        }

        discharge.setDisposition(disposition.getValue());

        // Parse integer since that's the main thing we'll use here.
        if (StringUtils.isNumeric(discharge.getDisposition())) {
            discharge.setDisposition(Integer.valueOf(discharge.getDisposition()).toString());
        }

        // Discharge date (PV1-44)
        discharge.setInteractionDate(extractDate(adt.getPV1().getDischargeDateTime(0).getTime(), message));

        if (logger.isDebugEnabled()) {
            logger.debug(discharge.toString());
        }

        return discharge;
    }

    /* (non-Javadoc)
     * @see com.hmsinc.epicenter.integrator.service.event.HL7EventHandler#checkForExistingEvent(com.hmsinc.epicenter.model.health.Interaction)
     */
    public void checkForExistingInteraction(Interaction interaction) throws DuplicateDataException {
        Validate.isTrue(interaction instanceof Discharge);
        final Discharge discharge = (Discharge) interaction;

        final Long existingId = healthRepository.findExistingDischarge(discharge);
        if (existingId != null) {
            throw new DuplicateDataException("Discharge already exists.", existingId);
        }
    }

}