org.h2gis.network.graph_creator
Class ST_ShortestPathTree

java.lang.Object
  org.h2gis.h2spatialapi.AbstractFunction
      org.h2gis.network.graph_creator.GraphFunction
          org.h2gis.network.graph_creator.ST_ShortestPathTree

All Implemented Interfaces:

Function, ScalarFunction

public class ST_ShortestPathTree
extends GraphFunction
implements ScalarFunction

Calculates the shortest path(s) between vertices in a JGraphT graph produced from the input_edges table produced by ST_Graph.

Author:

Adam Gouge

Field Summary

static String

REMARKS

Fields inherited from class org.h2gis.network.graph_creator.GraphFunction

ARG_ERROR

Fields inherited from interface org.h2gis.h2spatialapi.ScalarFunction

PROP_DETERMINISTIC, PROP_NOBUFFER

Fields inherited from interface org.h2gis.h2spatialapi.Function

PROP_NAME, PROP_REMARKS

Constructor Summary

ST_ShortestPathTree()
Constructor

Method Summary

String	getJavaStaticMethod()
static ResultSet	getShortestPathTree(Connection connection, String inputTable, String orientation, int source)
static ResultSet	getShortestPathTree(Connection connection, String inputTable, String orientation, String weight, int source, double radius)
static ResultSet	getShortestPathTree(Connection connection, String inputTable, String orientation, org.h2.value.Value arg4, org.h2.value.Value arg5)

Methods inherited from class org.h2gis.network.graph_creator.GraphFunction

logTime, prepareGraph

Methods inherited from class org.h2gis.h2spatialapi.AbstractFunction

addProperty, getProperty, removeProperty

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.h2gis.h2spatialapi.Function

getProperty

Field Detail

REMARKS

public static final String REMARKS

See Also:

Constant Field Values

Constructor Detail

ST_ShortestPathTree

public ST_ShortestPathTree()

Constructor

Method Detail

getJavaStaticMethod

public String getJavaStaticMethod()

Specified by:

getJavaStaticMethod in interface ScalarFunction

getShortestPathTree

public static ResultSet getShortestPathTree(Connection connection,
                                            String inputTable,
                                            String orientation,
                                            int source)
                                     throws SQLException

Parameters:

connection - connection

inputTable - Edges table produced by ST_Graph

orientation - Orientation string

source - Source vertex id

Returns:

Shortest path tree

Throws:

SQLException

getShortestPathTree

public static ResultSet getShortestPathTree(Connection connection,
                                            String inputTable,
                                            String orientation,
                                            org.h2.value.Value arg4,
                                            org.h2.value.Value arg5)
                                     throws SQLException

Parameters:

connection - connection

inputTable - Edges table produced by ST_Graph

orientation - Orientation string

arg4 - Source vertex id or Weight

arg5 - Search radius or Source vertex id

Returns:

Shortest path tree

Throws:

SQLException

getShortestPathTree

public static ResultSet getShortestPathTree(Connection connection,
                                            String inputTable,
                                            String orientation,
                                            String weight,
                                            int source,
                                            double radius)
                                     throws SQLException

Parameters:

connection - connection

inputTable - Edges table produced by ST_Graph

orientation - Orientation string

weight - Weight

source - Source vertex id

radius - Search radius

Returns:

Shortest path tree

Throws:

SQLException