Interface IParserExtension
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- All Known Implementing Classes:
FilterExtension
,SyntheticAttributeExtension
public interface IParserExtension
Interface for Flight Recorder parser extensions. Implementations are normally stateless and their prime responsibility is to create and linkIEventSinkFactory
instances.See
the package documentation
for a longer discussion on how parser extensions work.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description IEventSinkFactory
getEventSinkFactory(IEventSinkFactory subFactory)
Get a new event sink factory for use during the reading of one Flight Recording.java.lang.String
getValueInterpretation(java.lang.String eventTypeId, java.lang.String fieldId)
Override the value interpretation.
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Method Detail
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getValueInterpretation
java.lang.String getValueInterpretation(java.lang.String eventTypeId, java.lang.String fieldId)
Override the value interpretation. If not overridden the values types are automatically selected from the read metadata. This is only used for a special case in Mission Control code so normallynull
should be returned.- Parameters:
eventTypeId
- event type ID to get interpretation forfieldId
- field ID within the event type to get interpretation for- Returns:
- the identifier of the value interpretation or
null
to use the default interpretation
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getEventSinkFactory
IEventSinkFactory getEventSinkFactory(IEventSinkFactory subFactory)
Get a new event sink factory for use during the reading of one Flight Recording.Note that it is the implementor's responsibility to make sure that the subfactory is used by the event sink factory. If the
IEventSinkFactory.create
call is not chained to the subfactory, then events will be lost.- Parameters:
subFactory
- Subfactory to nest. Events created by the returned factory will normally be passed on to sinks created by the nested subfactory.- Returns:
- a new event sink factory
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