Java tutorial
package edu.emory.bmi.aiw.i2b2export.output; /* * #%L * i2b2 Export Service * %% * Copyright (C) 2013 Emory University * %% * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * #L% */ import edu.emory.bmi.aiw.i2b2export.entity.I2b2ConceptEntity; import edu.emory.bmi.aiw.i2b2export.entity.OutputConfigurationEntity; import java.io.BufferedWriter; import java.io.IOException; import java.sql.Connection; import java.sql.SQLException; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Collection; import java.util.Collections; import java.util.HashMap; import java.util.List; import java.util.Map; import org.apache.commons.lang3.StringUtils; import org.eurekaclinical.i2b2.client.I2b2CommUtil; import org.eurekaclinical.i2b2.client.pdo.Event; import org.eurekaclinical.i2b2.client.pdo.Observation; import org.eurekaclinical.i2b2.client.pdo.Patient; /** * Output formatter for visit rows. * * @author Michel Mansour * @since 1.0 */ final class VisitDataRowOutputFormatter extends DataRowOutputFormatter { private final Event visit; private final Map<String, List<Observation>> keyToObx; private final DateFormat fmt; VisitDataRowOutputFormatter(OutputConfigurationEntity config, Event visit, Connection con) { super(con, config); this.visit = visit; this.keyToObx = new HashMap<>(); for (Observation o : this.visit.getObservations()) { org.arp.javautil.collections.Collections.putList(this.keyToObx, o.getConceptPath(), o); } this.fmt = new SimpleDateFormat(I2b2CommUtil.I2B2_DATE_FMT); } @Override public int rowPrefix(BufferedWriter writer) throws IOException { int colNum = 0; write(visit.getPatient().getPatientId(), writer, colNum++); write(visit.getEventId(), writer, colNum++); if (null != visit.getStartDate()) { synchronized (this.fmt) { write(fmt.format(visit.getStartDate()), writer, colNum++); } } else { write("", writer, colNum++); } if (null != visit.getEndDate()) { synchronized (this.fmt) { write(fmt.format(visit.getEndDate()), writer, colNum++); } } else { write("", writer, colNum++); } return colNum; } @Override protected Collection<Observation> matchingObservations(I2b2ConceptEntity i2b2Concept) throws SQLException { switch (StringUtils.upperCase(i2b2Concept.getTableName())) { case "CONCEPT_DIMENSION": List<Observation> obxs = this.keyToObx.get(i2b2Concept.getI2b2Key()); if (obxs != null) { return Collections.unmodifiableCollection(obxs); } else { return Collections.emptyList(); } case "PATIENT_DIMENSION": Patient patient = this.visit.getPatient(); if (compareDimensionColumnValue(i2b2Concept, patient)) { Observation.Builder b = new Observation.Builder(this.visit).tval(getParam(patient, i2b2Concept)); Collection<Observation> o = Collections.singleton(b.build()); return o; } else { return Collections.emptyList(); } case "VISIT_DIMENSION": return null; default: return Collections.emptyList(); } } }