Class VisitorHandler
- java.lang.Object
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- org.apache.sling.scripting.sightly.impl.compiler.util.stream.VisitorHandler
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- All Implemented Interfaces:
CommandHandler
public class VisitorHandler extends Object implements CommandHandler
Delegates commands to a visitor.
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Constructor Summary
Constructors Constructor Description VisitorHandler(CommandVisitor visitor)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
onDone()
This method is called when the stream has been closed.void
onEmit(Command command)
Allows this handler to process theCommand
that was just written into the stream to which this handler was attached.void
onError(String errorMessage)
Allows this handler to process error states.
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Constructor Detail
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VisitorHandler
public VisitorHandler(CommandVisitor visitor)
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Method Detail
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onEmit
public void onEmit(Command command)
Description copied from interface:CommandHandler
Allows this handler to process theCommand
that was just written into the stream to which this handler was attached.- Specified by:
onEmit
in interfaceCommandHandler
- Parameters:
command
- the received command
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onError
public void onError(String errorMessage)
Description copied from interface:CommandHandler
Allows this handler to process error states.- Specified by:
onError
in interfaceCommandHandler
- Parameters:
errorMessage
- the error's message
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onDone
public void onDone()
Description copied from interface:CommandHandler
This method is called when the stream has been closed. The contract is that after this call, no other commands or errors will be emitted.- Specified by:
onDone
in interfaceCommandHandler
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