Class CountingMessageHandler

java.lang.Object

org.aspectj.bridge.CountingMessageHandler

All Implemented Interfaces:

IMessageHandler

public class CountingMessageHandler
extends Object
implements IMessageHandler

Wrap an IMessageHandler to count messages handled. Messages being ignored by the delegate IMessageHandler are not counted.

Field Summary

Fields

Modifier and Type	Field	Description
final IMessageHandler	delegate
final CountingMessageHandler	proxy

Fields inherited from interface org.aspectj.bridge.IMessageHandler

SYSTEM_ERR, SYSTEM_OUT, THROW

Constructor Summary

Constructors

Constructor	Description
CountingMessageHandler(IMessageHandler delegate)

Method Summary

Modifier and Type	Method	Description
void	dontIgnore(IMessage.Kind kind)	Delegate
boolean	handleMessage(IMessage message)	Handle message, by reporting and/or throwing an AbortException.
boolean	hasErrors()
void	ignore(IMessage.Kind kind)	Delegate
boolean	isIgnoring(IMessage.Kind kind)	Signal clients whether this will ignore messages of a given type.
static CountingMessageHandler	makeCountingMessageHandler(IMessageHandler handler)
int	numMessages(IMessage.Kind kind, boolean orGreater)	Return count of messages seen through this interface.
void	reset()
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

delegate

public final IMessageHandler delegate

proxy

public final CountingMessageHandler proxy

Constructor Details

CountingMessageHandler

public CountingMessageHandler(IMessageHandler delegate)

Method Details

makeCountingMessageHandler

public static CountingMessageHandler makeCountingMessageHandler(IMessageHandler handler)

handleMessage

public boolean handleMessage(IMessage message)
                      throws AbortException

Description copied from interface: IMessageHandler

Handle message, by reporting and/or throwing an AbortException.

Specified by:

handleMessage in interface IMessageHandler

Parameters:

message - the IMessage to handle - never null

Returns:

delegate.handleMessage(IMessage)

Throws:

AbortException - depending on handler logic.

isIgnoring

public boolean isIgnoring(IMessage.Kind kind)

Description copied from interface: IMessageHandler

Signal clients whether this will ignore messages of a given type. Clients may use this to avoid constructing or sending certain messages.

Specified by:

isIgnoring in interface IMessageHandler

Returns:

delegate.isIgnoring(IMessage.Kind)

dontIgnore

public void dontIgnore(IMessage.Kind kind)

Delegate

Specified by:

dontIgnore in interface IMessageHandler

Parameters:

kind -

See Also:

• IMessageHandler.isIgnoring(org.aspectj.bridge.IMessage.Kind)

ignore

public void ignore(IMessage.Kind kind)

Delegate

Specified by:

ignore in interface IMessageHandler

Parameters:

kind -

See Also:

• IMessageHandler.ignore(org.aspectj.bridge.IMessage.Kind)

toString

public String toString()

Overrides:

toString in class Object

Returns:

delegate.toString()

numMessages

public int numMessages(IMessage.Kind kind,
 boolean orGreater)

Return count of messages seen through this interface.

Parameters:

kind - the IMessage.Kind of the messages to count (if null, count all)

orGreater - if true, then count this kind and any considered greater by the ordering of IMessage.Kind#COMPARATOR

Returns:

number of messages of this kind (optionally or greater)

See Also:

• IMessage.Kind.COMPARATOR

hasErrors

public boolean hasErrors()

Returns:

true if 0 is less than numMessages(IMessage.ERROR, true)

reset

public void reset()