How to use

setToString

method

in

org.matsim.core.utils.collections.CollectionUtils

@StringGetter(BUS_ID_IDENTIFIER)
private String getBusIdPrefixes() {
  return CollectionUtils.setToString(busIdIdentifier);
}

@StringGetter( "joinableTypes" )
public String getJoinableTypesString() {
  return CollectionUtils.setToString( joinableTypes );
}

@StringGetter(SEEP_MODE)
private String getSeepModesAsString() {
  return CollectionUtils.setToString(new HashSet<>(getSeepModes()));
}
@StringSetter(SEEP_MODE)

@StringGetter(MAIN_MODE)
private String getMainModesAsString() {
  return CollectionUtils.setToString(new HashSet<>(getMainModes()));
}

@StringGetter( "joinableActivityTypes" )
private String getJoinableActivityTypesString() {
  return CollectionUtils.setToString( getJoinableActivityTypes() );
}

@Override
public final Map<String, String> getParams() {
  Map<String, String> params = super.getParams();
  params.put(REGRESSION_INERTIA, Double.toString(getRegressionInertia()));
  params.put(MIN_FLOW_STDDEV, Double.toString(getMinFlowStddev_vehPerHour()));
  params.put(FREEZE_ITERATION, Integer.toString(getFreezeIteration()));
  params.put(PREPARATORY_ITERATIONS, Integer.toString(getPreparatoryIterations()));
  params.put(VARIANCE_SCALE, Double.toString(getVarianceScale()));
  params.put(USE_BRUTE_FORCE, Boolean.toString(useBruteForce()));
  params.put(WRITE_ANALYSIS_FILE, Boolean.toString(isWriteAnalysisFile()));
  params.put(START_TIME, Integer.toString(getStartTime()));
  params.put(END_TIME, Integer.toString(getEndTime()));
  params.put(CALIBRATED_ITEMS, CollectionUtils.setToString(this.calibratedItems));
  params.put(TIME_BIN_SIZE, Integer.toString(getTimeBinSize())) ;
  return params;
}

@Test
public void testSetToString() {
  Set<String> set = new LinkedHashSet<String>();
  set.add("Aaa");
  set.add("Bbb");
  set.add("Ddd");
  set.add("Ccc");
  Assert.assertEquals("Aaa,Bbb,Ddd,Ccc", CollectionUtils.setToString(set));
}