org.cripac.isee.vpe.data

Class Neo4jConnector

java.lang.Object

org.cripac.isee.vpe.data.GraphDatabaseConnector

org.cripac.isee.vpe.data.Neo4jConnector

public class Neo4jConnector
extends GraphDatabaseConnector

\class Neo4jConnector \brief It inherits from GraphDatabaseConnector that inserts results into graph database.

Nested Class Summary

Nested classes/interfaces inherited from class org.cripac.isee.vpe.data.GraphDatabaseConnector

GraphDatabaseConnector.Link

Field Summary

Fields

Modifier and Type	Field and Description
private org.neo4j.driver.v1.Driver	driver

Constructor Summary

Constructors

Constructor and Description
Neo4jConnector()

Method Summary

Modifier and Type	Method and Description
private String	calTrackletStartTime(int trackletStartIdx, String videoStartTime) Calculate the start time of a tracklet based on start frame index, fps and the start time of the video.
protected void	finalize()
GraphDatabaseConnector.Link[]	getLinkedPedestrians(String nodeID) Get relations: (nodA)-[SIMILARITY]-(nodeB)
Attributes	getPedestrianAttributes(String nodeID) Get the attributes of a pedestrian.
float	getPedestrianSimilarity(String idA, String idB) Get the similarity between two pedestrians.
String	getTrackletSavingDir(String nodeID) Get the path of the directory saving the tracklet of a pedestrian.
void	setPedestrianAttributes(String nodeID, Attributes attr) Set the attributes of a pedestrian.
void	setPedestrianSimilarity(String idA, String idB, float similarity) Set the similarity between two pedestrians.
void	setTrackletSavingPath(String nodeID, String path) Set the path of the directory saving the tracklet of a pedestrian.

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

driver

private org.neo4j.driver.v1.Driver driver

Constructor Detail

Neo4jConnector

public Neo4jConnector()

Method Detail

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

calTrackletStartTime

private String calTrackletStartTime(@Nonnull
                                    int trackletStartIdx,
                                    @Nonnull
                                    String videoStartTime)

Calculate the start time of a tracklet based on start frame index, fps and the start time of the video.

Parameters:

trackletStartIdx - start frame index of a tracklet.

videoStartTime - start time of the video.

Returns:

the start time of a tracklevideoStartTime start time of the video. created by da.li on 2014/04/18

setTrackletSavingPath

public void setTrackletSavingPath(@Nonnull
                                  String nodeID,
                                  @Nonnull
                                  String path)

Description copied from class: GraphDatabaseConnector

Set the path of the directory saving the tracklet of a pedestrian.

Specified by:

setTrackletSavingPath in class GraphDatabaseConnector

Parameters:

nodeID - the id of the pedestrian.

path - the path of the directory saving the tracklet of the pedestrian.

getTrackletSavingDir

public String getTrackletSavingDir(@Nonnull
                                   String nodeID)
                            throws NoSuchElementException

Description copied from class: GraphDatabaseConnector

Get the path of the directory saving the tracklet of a pedestrian.

Specified by:

getTrackletSavingDir in class GraphDatabaseConnector

Parameters:

nodeID - the id of the pedestrian.

Returns:

the path of the directory saving the tracklet of the pedestrian.

Throws:

NoSuchElementException - On failure finding the pedestrian.

setPedestrianSimilarity

public void setPedestrianSimilarity(@Nonnull
                                    String idA,
                                    @Nonnull
                                    String idB,
                                    float similarity)

Description copied from class: GraphDatabaseConnector

Set the similarity between two pedestrians.

Specified by:

setPedestrianSimilarity in class GraphDatabaseConnector

Parameters:

idA - the ID of the first pedestrian.

idB - the ID of the second pedestrian.

similarity - the similarity between them.

getPedestrianSimilarity

public float getPedestrianSimilarity(@Nonnull
                                     String idA,
                                     @Nonnull
                                     String idB)
                              throws NoSuchElementException

Description copied from class: GraphDatabaseConnector

Get the similarity between two pedestrians.

Specified by:

getPedestrianSimilarity in class GraphDatabaseConnector

Parameters:

idA - the ID of the first pedestrian.

idB - the ID of the second pedestrian.

Returns:

The similarity between them.

Throws:

NoSuchElementException - On failure finding any of these two pedestrian, or when there is no link between them.

setPedestrianAttributes

public void setPedestrianAttributes(@Nonnull
                                    String nodeID,
                                    @Nonnull
                                    Attributes attr)

Description copied from class: GraphDatabaseConnector

Set the attributes of a pedestrian.

Specified by:

setPedestrianAttributes in class GraphDatabaseConnector

Parameters:

nodeID - the ID of the pedestrian.

attr - the attributes of the pedestrian.

getPedestrianAttributes

public Attributes getPedestrianAttributes(@Nonnull
                                          String nodeID)
                                   throws NoSuchElementException

Description copied from class: GraphDatabaseConnector

Get the attributes of a pedestrian.

Specified by:

getPedestrianAttributes in class GraphDatabaseConnector

Parameters:

nodeID - the ID of the pedestrian.

Returns:

the attributes of the pedestrian.

Throws:

NoSuchElementException - On failure finding the pedestrian.

getLinkedPedestrians

public GraphDatabaseConnector.Link[] getLinkedPedestrians(@Nonnull
                                                          String nodeID)
                                                   throws NoSuchElementException

Description copied from class: GraphDatabaseConnector

Get relations: (nodA)-[SIMILARITY]-(nodeB)

Specified by:

getLinkedPedestrians in class GraphDatabaseConnector

Parameters:

nodeID - the ID of the pedestrian.

Returns:

the relationships related to the input pedestrian.

Throws:

NoSuchElementException - On failure finding the pedestrian.