org.dbe.eve.simulator
Class SMERelationships

java.lang.Object
  org.dbe.eve.simulator.SMERelationships

public class SMERelationships
extends java.lang.Object

SMERelationships stores a table with Relationships between SMEs Example: This table A B C A 0 1 0 B 1 0 1 C 0 1 0 is stored in the 3 vectors smeNames = {A, B, C} relationShips = {{0, 1, 0}, {1, 0, 1}, {0, 1, 0}}

Author:

Roman Greil

Nested Class Summary

private class

SMERelationships.DijstraComparator DijstraComparator is used by the findNewFriend method, as Java anonymous classes do not support closures and the distance array is needed for the comparison.

Field Summary

(package private) static org.apache.log4j.Logger	logger
private double	maxWeight
private java.util.Vector	relationShips
private java.util.HashMap	smeNames

Constructor Summary

SMERelationships()

Method Summary

void	addRelationship(java.lang.String from, java.lang.String to, int value) add a relationship to the table.
int	findNewFriend(int source, int target) Calculates the strenght of the connection between two companies that do not know each other.
int	getNumSMEs() returns the number of smes
java.util.Vector	getRelationships() returns the vector with the relationships
int	getSmeId(java.lang.String smeName) return the id of a sme
java.lang.String	getSmeNameById(int id) returns the name of a sme
java.util.Vector	getSMENames() returns all sme names as a vector
private int	getWeight(int i, int j) Gets the strength of the connection between company i and company j
java.lang.String	toString() Returns the relations ships as string

Methods inherited from class java.lang.Object

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

Field Detail

logger

static org.apache.log4j.Logger logger

maxWeight

private double maxWeight

relationShips

private java.util.Vector relationShips

smeNames

private java.util.HashMap smeNames

Constructor Detail

SMERelationships

public SMERelationships()

Method Detail

addRelationship

public void addRelationship(java.lang.String from,
                            java.lang.String to,
                            int value)

add a relationship to the table. If from or to sme does not exist, a new column and row will be created

Parameters:

from - the row name

to - the column name

value - the strength

toString

public java.lang.String toString()

Returns the relations ships as string

Overrides:

toString in class java.lang.Object

getSMENames

public java.util.Vector getSMENames()

returns all sme names as a vector

getRelationships

public java.util.Vector getRelationships()

returns the vector with the relationships

getSmeId

public int getSmeId(java.lang.String smeName)

return the id of a sme

Parameters:

smeName - the name of the sme

getSmeNameById

public java.lang.String getSmeNameById(int id)

returns the name of a sme

Parameters:

id - the id of the sme

getNumSMEs

public int getNumSMEs()

returns the number of smes

getWeight

private final int getWeight(int i,
                            int j)

Gets the strength of the connection between company i and company j

Parameters:

i - Company from

j - Company to

Returns:

The strength of the link (weight) from i to j

findNewFriend

public int findNewFriend(int source,
                         int target)

Calculates the strenght of the connection between two companies that do not know each other.

Parameters:

source - Company from

target - Company to

Returns:

the calculated strenght of the link