Package repast.simphony.context

Class ContextEvent<T>

java.lang.Object

repast.simphony.context.ContextEvent<T>

public class ContextEvent<T>
extends Object

Represents a change occuring to a Context. This includes when objects are added to and removed from a Context (with the getTarget() being valid) or when projections are added and removed (with the getProjection() being valid).

Author:

Tom Howe

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	ContextEvent.EventType	Enum of the types of events.

Field Summary

Fields

Modifier and Type	Field	Description
static ContextEvent.EventType	ADDED	Represents an event where an object is added to the context.
static ContextEvent.EventType	MOVED
static ContextEvent.EventType	REMOVED	Represents an event where an object is removed from the context.

Constructor Summary

Constructors

Constructor	Description
ContextEvent(ContextEvent.EventType type, Context<T> context, Context<? extends T> subContext)	Creates a new instance of ContextEvent with a given type, context and sub-Context.
ContextEvent(ContextEvent.EventType type, Context<T> context, Projection<? super T> projection)	Creates a new instance of ContextEvent with a given type, context and Projection.
ContextEvent(ContextEvent.EventType type, Context<T> context, T target)	Creates a new instance of ContextEvent with a given type, context and target.

Method Summary

Modifier and Type	Method	Description
Context<T>	getContext()	Get the context to which the event occured.
Projection<? super T>	getProjection()	Gets the project that was the target of the event.
Context<? extends T>	getSubContext()	Gets the subcontext that was the target of the event, assuming this was a subcontext event.
T	getTarget()	Get the target of the event.
ContextEvent.EventType	getType()	Get the type of event this represents.

Methods inherited from class java.lang.Object

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

Field Details

ADDED

public static ContextEvent.EventType ADDED

Represents an event where an object is added to the context.

MOVED

public static ContextEvent.EventType MOVED

REMOVED

public static ContextEvent.EventType REMOVED

Represents an event where an object is removed from the context.

Constructor Details

ContextEvent

public ContextEvent(ContextEvent.EventType type,
 Context<T> context,
 T target)

Creates a new instance of ContextEvent with a given type, context and target.

Parameters:

type - The type of event which occured.

context - The context to which the event occured.

target - The object which was the target of the event.

ContextEvent

public ContextEvent(ContextEvent.EventType type,
 Context<T> context,
 Projection<? super T> projection)

Creates a new instance of ContextEvent with a given type, context and Projection.

Parameters:

type - The type of event which occured.

context - The context to which the event occured.

projection - The projection which was the target of the event.

ContextEvent

public ContextEvent(ContextEvent.EventType type,
 Context<T> context,
 Context<? extends T> subContext)

Creates a new instance of ContextEvent with a given type, context and sub-Context.

Parameters:

type - The type of event which occured.

context - The context to which the event occured.

subContext - The subcontext which was the target of the event.

Method Details

getType

public ContextEvent.EventType getType()

Get the type of event this represents.

Returns:

The type of event.

getContext

public Context<T> getContext()

Get the context to which the event occured.

Returns:

The effected Context.

getTarget

public T getTarget()

Get the target of the event.

Returns:

The object which was the target of the event.

getProjection

public Projection<? super T> getProjection()

Gets the project that was the target of the event.

Returns:

a projection that was added or removed

getSubContext

public Context<? extends T> getSubContext()

Gets the subcontext that was the target of the event, assuming this was a subcontext event.

Returns:

the subcontext that was the target of the event, assuming this was a subcontext event.