java.lang.Object
- jadex.bdi.examples.garbagecollector_classic.Environment

public class Environment
extends java.lang.Object

The environment.

Field Summary

Fields
Modifier and Type	Field	Description
`static java.lang.String`	`BURNER`	The world object/agent types.
`static java.lang.String`	`COLLECTOR`
`static java.lang.String`	`DOWN`
`static java.lang.String`	`GARBAGE`
`protected static Environment`	`instance`
`static java.lang.String`	`LEFT`
`protected java.util.Map`	`name_objects`	The agents (name -> agent info).
`SimplePropertyChangeSupport`	`pcs`	The helper object for bean events.
`protected MultiCollection`	`pos_objects`	The garbages.
`protected java.util.Random`	`randgen`	The random number generator.
`static java.lang.String`	`RIGHT`
`protected int`	`size`	The size.
`static java.lang.String`	`UP`	The directions.

Constructor Summary

Constructors
Constructor Description

Environment(int size)
Create an environment.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addPropertyChangeListener(PropertyChangeListener listener)`	Add a PropertyChangeListener to the listener list.
`void`	`addWorldObject(java.lang.String type, java.lang.String name, Position pos)`	Add an object to the environment.
`void`	`burn(java.lang.String name)`	Burn a piece of garbage.
`static void`	`clearInstance()`	Clear the singleton instance.
`void`	`drop(java.lang.String name)`	Drop a piece of garbage.
`Position`	`getBurnerPosition()`	Get the position of a burner.
`protected Position`	`getFreePosition()`	Get a free position on the map.
`jadex.bdi.examples.garbagecollector_classic.WorldObject[]`	`getGarbages(Position pos)`	Get all world objects of a position.
`int`	`getGridSize()`	Get the grid size.
`static Environment`	`getInstance(java.lang.String type, java.lang.String name)`	Get a singleton instance.
`Position`	`getPosition(java.lang.String name)`	Get the position of an object.
`protected Position`	`getRandomPosition()`	Get a free position on the map.
`protected jadex.bdi.examples.garbagecollector_classic.WorldObject`	`getRobot(java.lang.String name)`	Get an robot for a name.
`protected jadex.bdi.examples.garbagecollector_classic.WorldObject`	`getWorldObject(java.lang.String name)`	Get an world object for a name.
`jadex.bdi.examples.garbagecollector_classic.WorldObject[]`	`getWorldObjects()`	Get the world objects.
`protected jadex.bdi.examples.garbagecollector_classic.WorldObject[]`	`getWorldObjects(Position pos)`	Get all world objects of a position.
`void`	`go(java.lang.String name, java.lang.String dir)`	Go in a specific direction.
`boolean`	`hasGarbage(java.lang.String name)`	Test if an agent has garbage.
`boolean`	`isBurnerPresent(Position pos)`	Is a burner on the map.
`boolean`	`isDirty(Position pos)`	Test if a position is dirty.
`protected boolean`	`isFree(Position pos)`	Test if a position is free.
`boolean`	`pickup(java.lang.String name)`	Pickup a piece of garbage.
`void`	`removePropertyChangeListener(PropertyChangeListener listener)`	Remove a PropertyChangeListener from the listener list.
`void`	`setWorldObjects(jadex.bdi.examples.garbagecollector_classic.WorldObject[] objects)`	Set the world objects.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - UP
```
public static final java.lang.String UP
```
    The directions.
    
    See Also:
    
    Constant Field Values
  - DOWN
```
public static final java.lang.String DOWN
```
    See Also:
    
    Constant Field Values
  - LEFT
```
public static final java.lang.String LEFT
```
    See Also:
    
    Constant Field Values
  - RIGHT
```
public static final java.lang.String RIGHT
```
    See Also:
    
    Constant Field Values
  - BURNER
```
public static final java.lang.String BURNER
```
    The world object/agent types.
    
    See Also:
    
    Constant Field Values
  - COLLECTOR
```
public static final java.lang.String COLLECTOR
```
    See Also:
    
    Constant Field Values
  - GARBAGE
```
public static final java.lang.String GARBAGE
```
    See Also:
    
    Constant Field Values
  - size
```
protected int size
```
    The size.
  - name_objects
```
protected java.util.Map name_objects
```
    The agents (name -> agent info).
  - pos_objects
```
protected MultiCollection pos_objects
```
    The garbages.
  - randgen
```
protected java.util.Random randgen
```
    The random number generator.
  - pcs
```
public SimplePropertyChangeSupport pcs
```
    The helper object for bean events.
  - instance
```
protected static volatile Environment instance
```
- Constructor Detail
  - Environment
```
public Environment(int size)
```
    Create an environment.
- Method Detail
  - getInstance
```
public static Environment getInstance(java.lang.String type,
                                      java.lang.String name)
```
    Get a singleton instance.
  - clearInstance
```
public static void clearInstance()
```
    Clear the singleton instance.
  - addWorldObject
```
public void addWorldObject(java.lang.String type,
                           java.lang.String name,
                           Position pos)
```
    Add an object to the environment.
  - go
```
public void go(java.lang.String name,
               java.lang.String dir)
```
    Go in a specific direction.
  - drop
```
public void drop(java.lang.String name)
```
    Drop a piece of garbage.
    
    Parameters:
    
    name - The name of the agent that want to drop.
  - pickup
```
public boolean pickup(java.lang.String name)
```
    Pickup a piece of garbage.
    
    Parameters:
    
    name - The name of the agent that want to pick up.
  - burn
```
public void burn(java.lang.String name)
```
    Burn a piece of garbage.
    
    Parameters:
    
    name - The name of the agent that want to drop.
  - isDirty
```
public boolean isDirty(Position pos)
```
    Test if a position is dirty.
    
    Parameters:
    
    pos - The position.
    
    Returns:
    
    True, if one or more pieces of garbage are present.
  - hasGarbage
```
public boolean hasGarbage(java.lang.String name)
```
    Test if an agent has garbage.
    
    Parameters:
    
    name - The agent name.
    
    Returns:
    
    True, if has garbage.
  - getPosition
```
public Position getPosition(java.lang.String name)
```
    Get the position of an object.
    
    Parameters:
    
    name - The name of the agent.
    
    Returns:
    
    The position.
  - getGridSize
```
public int getGridSize()
```
    Get the grid size.
    
    Returns:
    
    The size of the grid.
  - getBurnerPosition
```
public Position getBurnerPosition()
```
    Get the position of a burner.
    
    Returns:
    
    The (first found, hack) position of a burner.
  - isBurnerPresent
```
public boolean isBurnerPresent(Position pos)
```
    Is a burner on the map.
    
    Parameters:
    
    pos - The position to test.
    
    Returns:
    
    True, if a burner is present.
  - getWorldObject
```
protected jadex.bdi.examples.garbagecollector_classic.WorldObject getWorldObject(java.lang.String name)
```
    Get an world object for a name.
    
    Parameters:
    
    name - The name of the world object.
    
    Returns:
    
    The world object.
  - getRobot
```
protected jadex.bdi.examples.garbagecollector_classic.WorldObject getRobot(java.lang.String name)
```
    Get an robot for a name.
    
    Parameters:
    
    name - The agents name.
    
    Returns:
    
    The agent.
  - getWorldObjects
```
protected jadex.bdi.examples.garbagecollector_classic.WorldObject[] getWorldObjects(Position pos)
```
    Get all world objects of a position.
    
    Parameters:
    
    pos - The position.
    
    Returns:
    
    All objects at the position.
  - getGarbages
```
public jadex.bdi.examples.garbagecollector_classic.WorldObject[] getGarbages(Position pos)
```
    Get all world objects of a position.
    
    Parameters:
    
    pos - The position.
    
    Returns:
    
    All objects at the position.
  - getWorldObjects
```
public jadex.bdi.examples.garbagecollector_classic.WorldObject[] getWorldObjects()
```
    Get the world objects.
    
    Returns:
    
    Get all world objects (except pickuped garbage).
  - setWorldObjects
```
public void setWorldObjects(jadex.bdi.examples.garbagecollector_classic.WorldObject[] objects)
```
    Set the world objects.
  - getFreePosition
```
protected Position getFreePosition()
```
    Get a free position on the map.
    
    Returns:
    
    The next free position on the grid.
  - getRandomPosition
```
protected Position getRandomPosition()
```
    Get a free position on the map.
    
    Returns:
    
    The next free position on the grid.
  - isFree
```
protected boolean isFree(Position pos)
```
    Test if a position is free.
    
    Returns:
    
    True, if a position is free.
  - addPropertyChangeListener
```
public void addPropertyChangeListener(PropertyChangeListener listener)
```
    Add a PropertyChangeListener to the listener list. The listener is registered for all properties.
    
    Parameters:
    
    listener - The PropertyChangeListener to be added.
  - removePropertyChangeListener
```
public void removePropertyChangeListener(PropertyChangeListener listener)
```
    Remove a PropertyChangeListener from the listener list. This removes a PropertyChangeListener that was registered for all properties.
    
    Parameters:
    
    listener - The PropertyChangeListener to be removed.

Class Environment

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

UP

DOWN

LEFT

RIGHT

BURNER

COLLECTOR

GARBAGE

size

name_objects

pos_objects

randgen

pcs

instance

Constructor Detail

Environment

Method Detail

getInstance

clearInstance

addWorldObject

go

drop

pickup

burn

isDirty

hasGarbage

getPosition

getGridSize

getBurnerPosition

isBurnerPresent

getWorldObject

getRobot

getWorldObjects

getGarbages

getWorldObjects

setWorldObjects

getFreePosition

getRandomPosition

isFree

addPropertyChangeListener

removePropertyChangeListener