Inheritance diagram for org.matsim.utils.eventsfilecomparison.FingerprintEventHandler:

Public Member Functions
	FingerprintEventHandler ()

	FingerprintEventHandler (EventFingerprint compareFingerprint)

EventFingerprint	getEventFingerprint ()

ComparisonResult	getComparisonResult ()

String	getComparisonMessage ()

void	handleEvent (Event event)

default void	reset (int iteration)

Private Member Functions
void	accumulateHash ()

String	toLexicographicSortedString (Event event)

Private Attributes
final EventFingerprint	eventFingerprint = new EventFingerprint()

final List< String >	hashAccumulationList = new ArrayList<>()

final EventFingerprint	compareFingerprint

FloatListIterator	iterator = null

ComparisonResult	comparisonResult

String	comparisonMessage

Static Private Attributes
static final float	EPS = 1e-8f

Detailed Description

Handler for creating and comparing EventFingerprint.

Definition at line 13 of file FingerprintEventHandler.java.

Constructor & Destructor Documentation

◆ FingerprintEventHandler() [1/2]

org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.FingerprintEventHandler ( )

Definition at line 43 of file FingerprintEventHandler.java.

                                      {
         this.compareFingerprint = null;
     }

◆ FingerprintEventHandler() [2/2]

org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.FingerprintEventHandler ( EventFingerprint compareFingerprint )

Definition at line 47 of file FingerprintEventHandler.java.

References org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.compareFingerprint.

                                                                         {
         this.compareFingerprint = compareFingerprint;
         this.comparisonResult = null;
     }

Member Function Documentation

◆ getEventFingerprint()

EventFingerprint org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.getEventFingerprint ( )

Definition at line 52 of file FingerprintEventHandler.java.

References org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.eventFingerprint.

Referenced by org.matsim.core.events.EventsUtils.assertEqualEventsFingerprint(), org.matsim.core.events.EventsUtils.createAndCompareEventsFingerprint(), and org.matsim.core.events.EventsUtils.createEventsFingerprint().

                                                   {
         return eventFingerprint;
     }

◆ getComparisonResult()

ComparisonResult org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.getComparisonResult ( )

Definition at line 56 of file FingerprintEventHandler.java.

References org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.comparisonResult.

Referenced by org.matsim.core.events.EventsUtils.assertEqualEventsFingerprint(), and org.matsim.core.events.EventsUtils.createAndCompareEventsFingerprint().

                                                   {
         return comparisonResult;
     }

◆ getComparisonMessage()

String org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.getComparisonMessage ( )

Definition at line 64 of file FingerprintEventHandler.java.

References org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.comparisonMessage.

Referenced by org.matsim.core.events.EventsUtils.assertEqualEventsFingerprint(), and org.matsim.core.events.EventsUtils.createAndCompareEventsFingerprint().

                                          {
         return comparisonMessage;
     }

◆ handleEvent()

void org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.handleEvent ( Event event )

Implements org.matsim.core.events.handler.BasicEventHandler.

Definition at line 73 of file FingerprintEventHandler.java.

References org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.accumulateHash(), org.matsim.utils.eventsfilecomparison.ComparisonResult.DIFFERENT_TIMESTEPS, org.matsim.api.core.v01.events.Event.getEventType(), org.matsim.api.core.v01.events.Event.getTime(), and org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.toLexicographicSortedString().

                                          {
 
 
         String lexicographicSortedString = toLexicographicSortedString(event);
 
         if (compareFingerprint != null) {
             if (iterator == null) {
                 this.iterator = compareFingerprint.timeArray.iterator();
             }
 
             if (this.comparisonResult == null) {
                 if (iterator.hasNext()) {
                     float entry = iterator.nextFloat();
                     //Comparing floats with precision
                     if (Math.abs((float) event.getTime() - entry) >= EPS) {
                         this.comparisonResult = ComparisonResult.DIFFERENT_TIMESTEPS;
                         this.comparisonMessage = "Difference occurred in this event time=" + event.getTime() + lexicographicSortedString;
                     }
                 } else {
                     this.comparisonResult = ComparisonResult.DIFFERENT_TIMESTEPS;
                     this.comparisonMessage = "Additional event time=" + event.getTime() + lexicographicSortedString;
                 }
             }
         }
 
         eventFingerprint.addEventType(event.getEventType());
 
 
         //First timestep, nothing to accumulate
         if (eventFingerprint.timeArray.isEmpty()) {
             hashAccumulationList.add(lexicographicSortedString);
         } else {
             float lastTime = eventFingerprint.timeArray.getFloat(eventFingerprint.timeArray.size() - 1);
             //If new time is the same as previous, add to accumulation list, event hash calculation is not ready
             if (lastTime == event.getTime()) {
                 hashAccumulationList.add(lexicographicSortedString);
             }
             //if new time differs from previous, all hash can be calculated
             else {
                 accumulateHash();
                 hashAccumulationList.add(lexicographicSortedString);
             }
         }
 
         eventFingerprint.addTimeStamp(event.getTime());
 
         //eventFingerprint.addHashCode(lexicographicSortedString);
     }

Here is the call graph for this function:

◆ accumulateHash()

void org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.accumulateHash ( )

private

Definition at line 122 of file FingerprintEventHandler.java.

References org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.comparisonMessage, org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.comparisonResult, org.matsim.utils.eventsfilecomparison.ComparisonResult.DIFFERENT_EVENT_ATTRIBUTES, org.matsim.utils.eventsfilecomparison.ComparisonResult.FILES_ARE_EQUAL, and org.matsim.utils.eventsfilecomparison.ComparisonResult.WRONG_EVENT_COUNT.

Referenced by org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.handleEvent().

                                   {
 
         Collections.sort(hashAccumulationList);
 
         for (String str : hashAccumulationList) {
             eventFingerprint.addHashCode(str);
         }
 
         hashAccumulationList.clear();
     }

◆ toLexicographicSortedString()

String org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.toLexicographicSortedString ( Event event )

private

Definition at line 183 of file FingerprintEventHandler.java.

References org.matsim.api.core.v01.events.Event.ATTRIBUTE_TIME, org.matsim.api.core.v01.events.Event.ATTRIBUTE_X, org.matsim.api.core.v01.events.Event.ATTRIBUTE_Y, and org.matsim.api.core.v01.events.Event.getAttributes().

Referenced by org.matsim.utils.eventsfilecomparison.FingerprintEventHandler.handleEvent().

                                                             {
         List<String> strings = new ArrayList<String>();
         for (Map.Entry<String, String> e : event.getAttributes().entrySet()) {
             StringBuilder tmp = new StringBuilder();
             final String key = e.getKey();
 
             // don't look at certain attributes
             switch (key) {
                 case Event.ATTRIBUTE_X:
                 case Event.ATTRIBUTE_Y:
                 case Event.ATTRIBUTE_TIME:
                     continue;
             }
 
             tmp.append(key);
             tmp.append("=");
             tmp.append(e.getValue());
             strings.add(tmp.toString());
         }
         Collections.sort(strings);
         StringBuilder eventStr = new StringBuilder();
         for (String str : strings) {
             eventStr.append(" | ");
             eventStr.append(str);
         }
 
         eventStr.append(" | ");
         return eventStr.toString();
     }