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com.newstep.solid.comm

Class AbstractChannel

All Implemented Interfaces:
Channel

Direct Known Subclasses:
ProtocolElement, TcpChannel, UDPChannel

public abstract class AbstractChannel

Abstract.

Implements:

Channel

Links:

Kernel Association Association Link

to Interface ChannelListener

Associates type:

aggregation

Client cardinality:

Client navigability:

NOT NAVIGABLE

Client visibility:

private

Supplier cardinality:

0..1

Supplier navigability:

NAVIGABLE

Supplier visibility:

private

Custom properties

link:

aggregation

Kernel Association Association Link

to Enumeration ChannelState

Associates type:

aggregation

Client cardinality:

Client navigability:

NOT NAVIGABLE

Client visibility:

private

Supplier cardinality:

Supplier navigability:

NAVIGABLE

Supplier visibility:

private

Custom properties

link:

aggregation

Kernel Association Association Link

to Interface ChannelStatusListener

Associates type:

aggregation

Client cardinality:

Client navigability:

NOT NAVIGABLE

Client visibility:

private

Supplier cardinality:

Supplier navigability:

NAVIGABLE

Supplier visibility:

private

Custom properties

associates:

ChannelStatusListener

link:

aggregation

Implementation Implementation Link

to Interface Channel

Field Summary
ChannelState	state
ChannelListener	channelListener
private ChannelListener	channelListener
protected static Logger	logger
private ChannelState	state
private List	statusListeners

Constructor Summary
public void	AbstractChannel()

Method Summary
public void	addChannelStatusListener(ChannelStatusListener listener)
protected void	cleanListeners()
public abstract void	close()
public ChannelListener	getChannelListener()
public abstract Address	getLocalAddress()
public abstract Address	getRemoteAddress()
public ChannelState	getState()
protected void	notifyStatusChange(ChannelState newState)
public abstract void	open()
public void	removeChannelStatusListener(ChannelStatusListener listener)
public void	setChannelListener(ChannelListener listener)
public void	setState(ChannelState newState)
public String	toString()
public abstract void	write(Message message)

Field Detail

channelListener

ChannelListener channelListener

channelListener

private ChannelListener channelListener

Multiplicity:

logger

protected static Logger logger

Multiplicity:

Static.

state

private ChannelState state

Multiplicity:

state

ChannelState state

statusListeners

private List statusListeners

Multiplicity:

Custom properties

associates:

ChannelStatusListener

Constructor Detail

AbstractChannel

public void AbstractChannel ()

Stereotype:

create

Method Detail

addChannelStatusListener

public void addChannelStatusListener (ChannelStatusListener listener)

Channel interface .Adds a channel status listener to this channel's
status listeners list

Parameters:

listener
ChannelStatusListener

cleanListeners

protected void cleanListeners ()

Cleans the status listener list and gives the garbagge collector a
helping hand.

public abstract void close ()

Channel interface . Closes the channel.

Abstract.

Throws:

ChannelException

getChannelListener

public ChannelListener getChannelListener ()

Channel interface. Returns this channel's listener.

Return:

ChannelListener

getLocalAddress

public abstract Address getLocalAddress ()

Channel interface. Returns the local address of a channel

Abstract.

getRemoteAddress

public abstract Address getRemoteAddress ()

Channel interface . Return the remote address of a channel

Abstract.

getState

public ChannelState getState ()

Returns the channel state

Return:

ChannelState

notifyStatusChange

protected void notifyStatusChange (ChannelState newState)

Sets the state and notifies any status listeners of a change in state.

Parameters:

newState
ChannelState

open

public abstract void open ()

Channel interface. Opens the channel

Abstract.

Throws:

ChannelException

removeChannelStatusListener

public void removeChannelStatusListener (ChannelStatusListener listener)

Channel interface . Removes a channel listener to this channel's status
listeners list

Parameters:

listener
ChannelStatusListener

setChannelListener

public void setChannelListener (ChannelListener listener)

Channel interface. Sets this channel's listener.

Parameters:

listener
ChannelListener

setState

public void setState (ChannelState newState)

Sets the channel state

Parameters:

newState
ChannelState

toString

public String toString ()

write

public abstract void write (Message message)

Channel interface. Writes a message to this channel.

Parameters:

message
Message

Abstract.

Throws:

ChannelException

Class

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