ou4.message

Class Query

java.lang.Object

ou4.message.Message

ou4.message.Query

public class Query
extends Message

Query is a type of message that contains an event.

Field Summary

Fields inherited from class ou4.message.Message

currentNode, maxSteps

Constructor Summary

Constructors

Constructor and Description
Query(int maxSteps, Node node, int queryId) Creates a query.

Method Summary

Modifier and Type	Method and Description
void	age() ages the query one step.
boolean	findRoute() Find the shortest path for the Query to travel.
int	getAge() Returns the time the query has been alive.
int	getSendTries() Return amount of times query has been sent.
boolean	move() Move the Query one step.
void	trySend() Increments amount of times query has been tried with 1.
void	update(Node n) Sets the message handle for the Query.

Methods inherited from class ou4.message.Message

die, isAlive

Methods inherited from class java.lang.Object

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

Constructor Detail

Query

public Query(int maxSteps,
             Node node,
             int queryId)
      throws java.lang.IllegalArgumentException

Creates a query.

Parameters:

maxSteps - max steps of query

node - node wich spawned query

queryId - id of event to be queried.

Throws:

java.lang.IllegalArgumentException - if the inputs are invalid.

Method Detail

findRoute

public boolean findRoute()

Find the shortest path for the Query to travel.

move

public boolean move()

Move the Query one step.

Specified by:

move in class Message

Returns:

true if possible to move

update

public void update(Node n)

Sets the message handle for the Query.

Specified by:

update in class Message

Parameters:

n - node message is waiting in

trySend

public void trySend()

Increments amount of times query has been tried with 1.

getSendTries

public int getSendTries()

Return amount of times query has been sent.

Returns:

amount of tries for query.

getAge

public int getAge()

Returns the time the query has been alive.

Returns:

the time the query has been alive.

age

public void age()

ages the query one step.