Class AppenderBasedStreamMonitor
java.lang.Object
de.uka.ipd.sdq.workflow.logging.console.AppenderBasedStreamMonitor
- All Implemented Interfaces:
IAppenderListener
,IStreamMonitor
Base class of appender monitors. An appender monitor watches its added appenders for newly added
log lines. Whenever a new log line arrives at one of the appenders, this monitor sends out an
notification event to Eclipse which then updates its GUI or file based logs.
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Nested Class Summary
Modifier and TypeClassDescriptionstatic enum
The Enum ComparisonOperator. -
Constructor Summary
ConstructorDescriptionAppenderBasedStreamMonitor
(org.apache.log4j.Level logLevel, AppenderBasedStreamMonitor.ComparisonOperator op) Base class constructor. -
Method Summary
Modifier and TypeMethodDescriptionvoid
addAppender
(StreamsProxyAppender appender) Add an appender of type StreamsProxyAppender to this monitor.void
addListener
(IStreamListener listener) protected void
notifyListeners
(String text) Helper method which informs all listeners of the newly recorded text.void
removeAppender
(StreamsProxyAppender appender) Removes the appender.void
removeListener
(IStreamListener listener) void
textAddedEvent
(String text, org.apache.log4j.Level level) Event handler method which is called by an appender whenever a new log message arrives.
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Constructor Details
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AppenderBasedStreamMonitor
public AppenderBasedStreamMonitor(org.apache.log4j.Level logLevel, AppenderBasedStreamMonitor.ComparisonOperator op) Base class constructor.- Parameters:
logLevel
- the log levelop
- the op
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Method Details
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addListener
- Specified by:
addListener
in interfaceIStreamMonitor
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removeListener
- Specified by:
removeListener
in interfaceIStreamMonitor
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getContents
- Specified by:
getContents
in interfaceIStreamMonitor
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addAppender
Add an appender of type StreamsProxyAppender to this monitor. Whenever you write something to the added appender, this monitor will notify all its listeners of the newly added text if it is responsible for it (depending on the log level, see subclasses of this class)- Parameters:
appender
- A Log4J appender which will be used to write to Eclipse's run console
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removeAppender
Removes the appender.- Parameters:
appender
- the appender
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notifyListeners
Helper method which informs all listeners of the newly recorded text.- Parameters:
text
- The new text on one of the Log4J appenders
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textAddedEvent
Description copied from interface:IAppenderListener
Event handler method which is called by an appender whenever a new log message arrives. The handler can then decide what to do with the new log message- Specified by:
textAddedEvent
in interfaceIAppenderListener
- Parameters:
text
- The formatted log messagelevel
- The log level of the log message used to filter events
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