Java tutorial
/** * The contents of this file are subject to the OpenMRS Public License * Version 1.0 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://license.openmrs.org * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the * License for the specific language governing rights and limitations * under the License. * * Copyright (C) OpenMRS, LLC. All Rights Reserved. */ package org.openmrs.module.clinicalsummary.rule.common; import java.util.Arrays; import java.util.Calendar; import java.util.Date; import java.util.Map; import org.apache.commons.collections.CollectionUtils; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.openmrs.Encounter; import org.openmrs.Location; import org.openmrs.Obs; import org.openmrs.Patient; import org.openmrs.api.context.Context; import org.openmrs.logic.LogicContext; import org.openmrs.logic.result.Result; import org.openmrs.module.clinicalsummary.rule.EvaluableConstants; import org.openmrs.module.clinicalsummary.rule.EvaluableNameConstants; import org.openmrs.module.clinicalsummary.rule.EvaluableRule; import org.openmrs.module.clinicalsummary.rule.encounter.EncounterWithRestrictionRule; import org.openmrs.module.clinicalsummary.rule.encounter.EncounterWithStringRestrictionRule; import org.openmrs.module.clinicalsummary.rule.observation.ObsWithRestrictionRule; import org.openmrs.module.clinicalsummary.rule.observation.ObsWithStringRestrictionRule; import org.openmrs.module.clinicalsummary.rule.util.RuleUtils; public class CohortBuilderRule extends EvaluableRule { private static final Log log = LogFactory.getLog(CohortBuilderRule.class); public static final String TOKEN = "Cohort Builder"; public static final String ENCOUNTER_LOCATION_MTRH_MODULE_4 = "MTRH Module 4"; public static final String ENCOUNTER_LOCATION_TURBO = "Turbo"; public static final String ENCOUNTER_LOCATION_KITALE = "Kitale"; public static final String ENCOUNTER_LOCATION_WEBUYE = "Webuye"; public static final String DATE_CUTOFF_POINT = "01/01/2010"; /** * @see org.openmrs.logic.Rule#eval(org.openmrs.logic.LogicContext, Integer, java.util.Map) */ @Override protected Result evaluate(final LogicContext context, final Integer patientId, final Map<String, Object> parameters) { Result result = new Result(); String dateString = DATE_CUTOFF_POINT; Date initialDate = RuleUtils.parse(dateString, null); if (initialDate != null) { Calendar calendar = Calendar.getInstance(); calendar.setTime(initialDate); calendar.add(Calendar.MONTH, 5); Date cutoffDate = calendar.getTime(); EncounterWithRestrictionRule encounterWithRestrictionRule = new EncounterWithStringRestrictionRule(); parameters.put(EvaluableConstants.ENCOUNTER_FETCH_SIZE, 1); parameters.put(EvaluableConstants.ENCOUNTER_LOCATION, Arrays.asList(ENCOUNTER_LOCATION_MTRH_MODULE_4, ENCOUNTER_LOCATION_TURBO, ENCOUNTER_LOCATION_KITALE, ENCOUNTER_LOCATION_WEBUYE)); Result encounterResults = encounterWithRestrictionRule.eval(context, patientId, parameters); if (CollectionUtils.isNotEmpty(encounterResults) && encounterResults.getResultDate().after(cutoffDate)) { Result encounterResult = encounterResults.latest(); Encounter encounter = (Encounter) encounterResult.getResultObject(); Location encounterLocation = encounter.getLocation(); Patient patient = Context.getPatientService().getPatient(patientId); Integer age = patient.getAge(); if (age != null && age >= 6 && age <= 14) { Result obsResult = null; ObsWithRestrictionRule obsWithRestrictionRule = new ObsWithStringRestrictionRule(); parameters.put(EvaluableConstants.OBS_FETCH_SIZE, 1); parameters.put(EvaluableConstants.OBS_CONCEPT, Arrays.asList(EvaluableNameConstants.PROBLEM_ADDED)); parameters.put(EvaluableConstants.OBS_VALUE_CODED, Arrays.asList(EvaluableNameConstants.HIV_INFECTED)); Result problemAddedResults = obsWithRestrictionRule.eval(context, patientId, parameters); if (CollectionUtils.isNotEmpty(problemAddedResults)) obsResult = problemAddedResults.latest(); parameters.put(EvaluableConstants.OBS_CONCEPT, Arrays.asList(EvaluableNameConstants.HIV_TEST_RESULT_THIS_VISIT)); parameters.put(EvaluableConstants.OBS_VALUE_CODED, Arrays.asList(EvaluableNameConstants.POSITIVE)); Result hivTestResults = obsWithRestrictionRule.eval(context, patientId, parameters); if (CollectionUtils.isNotEmpty(hivTestResults)) obsResult = hivTestResults.latest(); parameters.put(EvaluableConstants.OBS_CONCEPT, Arrays.asList(EvaluableNameConstants.HIV_ENZYME_IMMUNOASSAY_QUALITATIVE)); parameters.put(EvaluableConstants.OBS_VALUE_CODED, Arrays.asList(EvaluableNameConstants.POSITIVE)); Result elisaResults = obsWithRestrictionRule.eval(context, patientId, parameters); if (CollectionUtils.isNotEmpty(elisaResults)) obsResult = elisaResults.latest(); parameters.put(EvaluableConstants.OBS_FETCH_SIZE, 2); parameters.put(EvaluableConstants.OBS_CONCEPT, Arrays.asList(EvaluableNameConstants.HIV_DNA_POLYMERASE_CHAIN_REACTION_QUALITATIVE)); parameters.put(EvaluableConstants.OBS_VALUE_CODED, Arrays.asList(EvaluableNameConstants.POSITIVE)); Result polymeraseResults = obsWithRestrictionRule.eval(context, patientId, parameters); if (CollectionUtils.isNotEmpty(polymeraseResults) && CollectionUtils.size(polymeraseResults) >= 2) obsResult = polymeraseResults.latest(); if (obsResult != null) { Obs obs = (Obs) obsResult.getResultObject(); result.add(new Result(encounter.getEncounterDatetime(), null, null, obs.getConcept(), obs.getObsDatetime(), obs.getObsId().doubleValue(), encounterLocation.getName(), obs.getValueCoded())); } } } } return result; } /** * Get the token name of the rule that can be used to reference the rule from LogicService * * @return the token name */ @Override protected String getEvaluableToken() { return TOKEN; } }