Java tutorial
/** * MOTECH PLATFORM OPENSOURCE LICENSE AGREEMENT * * Copyright (c) 2010-11 The Trustees of Columbia University in the City of * New York and Grameen Foundation USA. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. Neither the name of Grameen Foundation USA, Columbia University, or * their respective contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY GRAMEEN FOUNDATION USA, COLUMBIA UNIVERSITY * AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRAMEEN FOUNDATION * USA, COLUMBIA UNIVERSITY OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.motechproject.server.service.impl; import org.apache.commons.collections.CollectionUtils; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.motechproject.server.model.ExpectedObs; import org.motechproject.server.service.ExpectedCareEvent; import org.openmrs.Obs; import org.openmrs.Patient; import java.util.Date; import java.util.List; public class ExpectedObsSchedule extends ExpectedCareScheduleImpl { private static Log log = LogFactory.getLog(ExpectedObsSchedule.class); protected String conceptName; protected String valueConceptName; @Override protected void performScheduleUpdate(Patient patient, Date date) { Date referenceDate = getReferenceDate(patient); if (!validReferenceDate(referenceDate, date)) { // Handle missing reference date as failed requirement log.debug( "Failed to meet reference date requisite: " + referenceDate + ", removing events for schedule"); removeExpectedCare(patient); return; } log.debug("Performing " + name + " schedule update: patient: " + patient.getPatientId()); List<Obs> obsList = registrarBean.getObs(patient, conceptName, valueConceptName, referenceDate); List<ExpectedObs> expectedObsList = registrarBean.getExpectedObs(patient, name); Date previousEventObsDate = null; Integer largestDoseValue = getLargestDoseValue(obsList); ObsPredicate obsPredicate = new ObsPredicate(); ExpectedObsPredicate expectedObsPredicate = new ExpectedObsPredicate(); for (ExpectedCareEvent event : events) { // Calculate dates for event Date minDate = getMinDate(referenceDate, event); Date dueDate = null; // Use previous event's satisfying obs date as reference if // specified, clear previous obs date after if (Boolean.TRUE.equals(event.getDueReferencePrevious())) { dueDate = getDueDate(previousEventObsDate, event); previousEventObsDate = null; } else { dueDate = getDueDate(referenceDate, event); } // Set due date to min date if calculated due date is before min // date if (dueDate != null && minDate != null && dueDate.before(minDate)) { dueDate = minDate; } Date lateDate = getLateDate(dueDate, event); Date maxDate = getMaxDate(referenceDate, event); // Find Obs satisfying event obsPredicate.setMinDate(minDate); obsPredicate.setMaxDate(maxDate); obsPredicate.setValue(event.getNumber()); Obs eventObs = getEventObs(obsList, obsPredicate); // Store satisfying Obs date for possible reference in next event if (eventObs != null) { previousEventObsDate = eventObs.getObsDatetime(); } // Find ExpectedObs previously created for event expectedObsPredicate.setName(event.getName()); ExpectedObs expectedObs = getEventExpectedObs(expectedObsList, expectedObsPredicate); boolean eventDoseBelowLargest = false; if (largestDoseValue != null && event.getNumber() != null) { eventDoseBelowLargest = event.getNumber() <= largestDoseValue; } boolean eventExpired = maxDate != null && date.after(maxDate); if (expectedObs != null) { if (eventObs != null) { // Remove existing satisfied ExpectedObs expectedObs.setObs(eventObs); expectedObs.setVoided(true); registrarBean.saveExpectedObs(expectedObs); } else { // Update existing ExpectedObs, removing if expired or lower // dose than current patient dose expectedObs.setMinObsDatetime(minDate); if (dueDate != null) { expectedObs.setDueObsDatetime(dueDate); } if (lateDate != null) { expectedObs.setLateObsDatetime(lateDate); } expectedObs.setMaxObsDatetime(maxDate); if (eventExpired || eventDoseBelowLargest) { expectedObs.setVoided(true); } registrarBean.saveExpectedObs(expectedObs); } } else if (!eventExpired && eventObs == null && dueDate != null && lateDate != null && !eventDoseBelowLargest) { // Create new ExpectedObs if not expired, not satisfied, due // date and late date are defined, and // dose not lower than patient current dose registrarBean.createExpectedObs(patient, conceptName, valueConceptName, event.getNumber(), minDate, dueDate, lateDate, maxDate, event.getName(), name); } } // Remove any remaining Expected Obs not already updated removeExpectedObs(expectedObsList); } protected Integer getLargestDoseValue(List<Obs> obsList) { Double largestDoseValue = null; for (Obs obs : obsList) { Double obsValue = obs.getValueNumeric(); if (obsValue != null) { if (largestDoseValue == null || obsValue > largestDoseValue) { largestDoseValue = obsValue; } } } if (largestDoseValue != null) { return largestDoseValue.intValue(); } return null; } @SuppressWarnings("unchecked") protected Obs getEventObs(List<Obs> obsList, ObsPredicate obsPredicate) { List<Obs> eventObs = (List<Obs>) CollectionUtils.select(obsList, obsPredicate); if (!eventObs.isEmpty()) { if (eventObs.size() > 1) { log.debug("Multiple matches for delivered care : " + eventObs.size()); } // List is descending by date, remove match last in list Obs obs = eventObs.get(eventObs.size() - 1); obsList.remove(obs); return obs; } return null; } @SuppressWarnings("unchecked") protected ExpectedObs getEventExpectedObs(List<ExpectedObs> expectedObsList, ExpectedObsPredicate expectedObsPredicate) { List<ExpectedObs> eventExpectedObs; eventExpectedObs = (List<ExpectedObs>) CollectionUtils.select(expectedObsList, expectedObsPredicate); if (!eventExpectedObs.isEmpty()) { if (eventExpectedObs.size() > 1) { log.debug("Multiple matches for expected care : " + eventExpectedObs.size()); } // List is ascending by due date, remove first match ExpectedObs expectedObs = eventExpectedObs.get(0); expectedObsList.remove(expectedObs); return expectedObs; } return null; } @Override protected void removeExpectedCare(Patient patient) { List<ExpectedObs> expectedObsList = registrarBean.getExpectedObs(patient, name); removeExpectedObs(expectedObsList); } protected void removeExpectedObs(List<ExpectedObs> expectedObsList) { for (ExpectedObs expectedObs : expectedObsList) { expectedObs.setVoided(true); registrarBean.saveExpectedObs(expectedObs); } } public String getConceptName() { return conceptName; } public void setConceptName(String conceptName) { this.conceptName = conceptName; } public String getValueConceptName() { return valueConceptName; } public void setValueConceptName(String valueConceptName) { this.valueConceptName = valueConceptName; } }