org.drools.common
Class ArrayAgendaGroup

java.lang.Object
  org.drools.common.ArrayAgendaGroup

All Implemented Interfaces:

java.io.Serializable, InternalAgendaGroup, AgendaGroup

public class ArrayAgendaGroup
extends java.lang.Object
implements InternalAgendaGroup

AgendaGroup implementation that uses a PriorityQueue to prioritise the evaluation of added ActivationQueues. The AgendaGroup also maintains a Map of ActivationQueues for requested salience values.

Author:

Mark Proctor, Bob McWhirter

See Also:

PriorityQueue, ActivationQueue, Serialized Form

Field Summary

Fields inherited from interface org.drools.spi.AgendaGroup

MAIN

Constructor Summary

ArrayAgendaGroup(java.lang.String name, InternalRuleBase ruleBase)
Construct an AgendaGroup with the given name.

Method Summary

void	add(Activation activation)
void	clear()
boolean	equal(java.lang.Object object)
Activation[]	getActivations()
java.lang.String	getName()
Activation	getNext()
Activation[]	getQueue()
int	hashCode()
boolean	isActive()
boolean	isEmpty() Iterates a PriorityQueue removing empty entries until it finds a populated entry and return true, otherwise it returns false;
void	setActive(boolean activate)
int	size() The total number of activations in this group
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayAgendaGroup

public ArrayAgendaGroup(java.lang.String name,
                        InternalRuleBase ruleBase)

Construct an AgendaGroup with the given name.

Parameters:

name - The name.

Method Detail

getName

public java.lang.String getName()

Specified by:

getName in interface AgendaGroup

Returns:

The AgendaGroup name

clear

public void clear()

Specified by:

clear in interface InternalAgendaGroup

size

public int size()

Description copied from interface: AgendaGroup

The total number of activations in this group

Specified by:

size in interface AgendaGroup

Returns:

int value for the total number of activations

add

public void add(Activation activation)

Specified by:

add in interface InternalAgendaGroup

getNext

public Activation getNext()

Specified by:

getNext in interface InternalAgendaGroup

isActive

public boolean isActive()

Specified by:

isActive in interface AgendaGroup

setActive

public void setActive(boolean activate)

Specified by:

setActive in interface InternalAgendaGroup

isEmpty

public boolean isEmpty()

Iterates a PriorityQueue removing empty entries until it finds a populated entry and return true, otherwise it returns false;

Specified by:

isEmpty in interface AgendaGroup

Parameters:

priorityQueue -

Returns:

getActivations

public Activation[] getActivations()

Specified by:

getActivations in interface AgendaGroup

Returns:

An array of all the activations in the AgendaGroup

getQueue

public Activation[] getQueue()

Specified by:

getQueue in interface InternalAgendaGroup

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equal

public boolean equal(java.lang.Object object)

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object