Package net.emustudio.emulib.plugins.memory

Class AbstractMemoryContext<Type>

java.lang.Object

net.emustudio.emulib.plugins.memory.AbstractMemoryContext<Type>

Type Parameters:

Type - the memory cell type

All Implemented Interfaces:

Context, MemoryContext<Type>

@ThreadSafe
public abstract class AbstractMemoryContext<Type>
extends java.lang.Object
implements MemoryContext<Type>

This class implements some fundamental functionality of MemoryContext interface, that can be useful in the programming of the own memory context.

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.Set<Memory.MemoryListener>	listeners	List of all memory listeners.

Constructor Summary

Constructors

Constructor	Description
AbstractMemoryContext()

Method Summary

Modifier and Type	Method	Description
void	addMemoryListener(Memory.MemoryListener listener)	Adds a listener onto listeners list
boolean	areMemoryNotificationsEnabled()	Determine if notifications of memory changes are globally enabled or disabled.
void	notifyMemoryChanged(int position)	Notify all listeners that memory has changed.
void	notifyMemorySizeChanged()	Notify listeners that memory size has changed.
void	removeMemoryListener(Memory.MemoryListener listener)	Removes the listener from listeners list
void	setMemoryNotificationsEnabled(boolean enabled)	Enable/disable notifications of memory changes globally.

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.emustudio.emulib.plugins.memory.MemoryContext

clear, getDataType, getSize, read, read, write, write, write

Field Detail

listeners

protected final java.util.Set<Memory.MemoryListener> listeners

List of all memory listeners. The listeners are objects implementing the IMemoryListener interface. Methods within the listeners are called on some events that happen inside memory (e.g. value change).

Constructor Detail

AbstractMemoryContext

public AbstractMemoryContext()

Method Detail

areMemoryNotificationsEnabled

public boolean areMemoryNotificationsEnabled()

Description copied from interface: MemoryContext

Determine if notifications of memory changes are globally enabled or disabled.

Specified by:

areMemoryNotificationsEnabled in interface MemoryContext<Type>

Returns:

true if notifications are enabled, false if disabled.

setMemoryNotificationsEnabled

public void setMemoryNotificationsEnabled(boolean enabled)

Description copied from interface: MemoryContext

Enable/disable notifications of memory changes globally.

Enabled by default.

Specified by:

setMemoryNotificationsEnabled in interface MemoryContext<Type>

Parameters:

enabled - - true if enabled, false if disabled.

addMemoryListener

public void addMemoryListener(Memory.MemoryListener listener)

Adds a listener onto listeners list

Specified by:

addMemoryListener in interface MemoryContext<Type>

Parameters:

listener - listener object

removeMemoryListener

public void removeMemoryListener(Memory.MemoryListener listener)

Removes the listener from listeners list

Specified by:

removeMemoryListener in interface MemoryContext<Type>

Parameters:

listener - listener object

notifyMemoryChanged

public void notifyMemoryChanged(int position)

Notify all listeners that memory has changed. This method should be called whenever a some plugin writes to the memory.

Parameters:

position - memory position (address) on which the value has changed

notifyMemorySizeChanged

public void notifyMemorySizeChanged()

Notify listeners that memory size has changed.