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.reminder.adult.pregnancy; import org.apache.commons.collections.CollectionUtils; 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.medication.AntiRetroViralRule; import org.openmrs.module.clinicalsummary.rule.observation.ObsWithRestrictionRule; import org.openmrs.module.clinicalsummary.rule.observation.ObsWithStringRestrictionRule; import org.openmrs.module.clinicalsummary.rule.reminder.ReminderParameters; import java.util.Arrays; import java.util.Calendar; import java.util.Date; import java.util.Map; /** */ public class StartARVBreastfeedingHIVReminderRule extends EvaluableRule { public static final String TOKEN = "Adult:Start ARV Breastfeeding HIV Positive Reminder"; @Override protected Result evaluate(LogicContext context, Integer patientId, Map<String, Object> parameters) { Result result = new Result(); EncounterWithRestrictionRule encounterWithRestrictionRule = new EncounterWithStringRestrictionRule(); parameters.put(EvaluableConstants.ENCOUNTER_TYPE, Arrays.asList(EvaluableNameConstants.ENCOUNTER_TYPE_ADULT_INITIAL, EvaluableNameConstants.ENCOUNTER_TYPE_ADULT_RETURN)); parameters.put(EvaluableConstants.ENCOUNTER_FETCH_SIZE, 1); Result encounterResults = encounterWithRestrictionRule.eval(context, patientId, parameters); if (CollectionUtils.isNotEmpty(encounterResults)) { Result encounterResult = encounterResults.latest(); AntiRetroViralRule antiRetroViralRule = new AntiRetroViralRule(); // prepare the encounter types parameters.put(EvaluableConstants.ENCOUNTER_TYPE, Arrays.asList(EvaluableNameConstants.ENCOUNTER_TYPE_ADULT_INITIAL, EvaluableNameConstants.ENCOUNTER_TYPE_ADULT_RETURN, EvaluableNameConstants.ENCOUNTER_TYPE_ADULT_NONCLINICALMEDICATION)); Result arvResults = antiRetroViralRule.eval(context, patientId, parameters); if (CollectionUtils.isEmpty(arvResults)) { Calendar calendar = Calendar.getInstance(); calendar.setTime(encounterResult.getResultDate()); calendar.add(Calendar.WEEK_OF_YEAR, 42); Date fortyTwoWeeksLater = calendar.getTime(); ObsWithRestrictionRule obsWithRestrictionRule = new ObsWithStringRestrictionRule(); parameters.put(EvaluableConstants.OBS_CONCEPT, Arrays.asList("MOTHER CURRENTLY BREASTFEEDING")); parameters.put(EvaluableConstants.OBS_VALUE_CODED, Arrays.asList("YES")); Result currentlyBreastfeedingResults = obsWithRestrictionRule.eval(context, patientId, parameters); if (CollectionUtils.isNotEmpty(currentlyBreastfeedingResults) && currentlyBreastfeedingResults.latest().getResultDate().before(fortyTwoWeeksLater)) { result.add( new Result(String.valueOf(parameters.get(ReminderParameters.DISPLAYED_REMINDER_TEXT)))); return result; } parameters.put(EvaluableConstants.OBS_CONCEPT, Arrays.asList("INFANT FEEDING METHOD")); parameters.put(EvaluableConstants.OBS_VALUE_CODED, Arrays.asList("BREASTFEEDING EXCLUSIVELY", "BREASTFEEDING PREDOMINATELY", "MIXED FEEDING")); Result feedingMethodResults = obsWithRestrictionRule.eval(context, patientId, parameters); if (CollectionUtils.isNotEmpty(feedingMethodResults) && feedingMethodResults.latest().getResultDate().before(fortyTwoWeeksLater)) { result.add( new Result(String.valueOf(parameters.get(ReminderParameters.DISPLAYED_REMINDER_TEXT)))); return result; } } } return result; } /** * @see org.openmrs.logic.Rule#getDependencies() */ @Override public String[] getDependencies() { return new String[] { ObsWithStringRestrictionRule.TOKEN }; } /** * 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; } }