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

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Here is the source code for com.hmsinc.epicenter.integrator.service.event.AdmitService.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.message.ADT_A01;

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.Admit;
import com.hmsinc.epicenter.model.health.Interaction;
import com.hmsinc.epicenter.model.health.PatientDetail;
import com.hmsinc.mergence.model.HL7Message;

/**
 * Handles admit (ADT_A01) messages.
 * 
 * @author <a href="mailto:steve.kondik@hmsinc.com">Steve Kondik</a>
 * @org.apache.xbean.XBean element="admitService" description="EpiCenter Admit Service"
 */
public class AdmitService extends AbstractHL7EventHandler<Admit> {

    /* (non-Javadoc)
     * @see com.hmsinc.epicenter.integrator.service.event.HL7EventService#handleEvent(com.hmsinc.mergence.model.HL7Message, com.hmsinc.epicenter.model.health.PatientDetail)
     */
    public Admit 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 Admit admit = new Admit();
        configureInteraction(message, admit, details);

        Validate.isTrue(message.getMessage() instanceof ADT_A01);
        final ADT_A01 adt = (ADT_A01) message.getMessage();

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

        // Check for an existing record
        final Long existingId = healthRepository.findExistingAdmit(admit);
        if (existingId != null) {
            throw new DuplicateDataException("Admit already exists.", existingId);
        }

        // Admit date
        admit.setInteractionDate(extractDate(adt.getPV1().getAdmitDateTime().getTime(), message));

        // ICD9 Codes
        admit.setIcd9(extractICD9Codes(adt));

        // Diagnosis - use DG1 first, and PV2-3 if blank.
        final String diagnosis = extractDiagnosis(adt);
        if (diagnosis != null && isValidComplaint(diagnosis)) {
            admit.setReason(diagnosis);
        } else {
            admit.setReason(extractReason(adt));
        }

        if (admit.getReason() == null && admit.getIcd9() == null) {
            throw new IncompleteDataException("No admit reason or ICD9 code provided.", IncompleteDataType.REASON);
        }

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

        return admit;
    }

    /* (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 Admit);
        final Admit admit = (Admit) interaction;

        final Long existingId = healthRepository.findExistingAdmit(admit);
        if (existingId != null) {
            throw new DuplicateDataException("Admit already exists.", existingId);
        }
    }

}