com.itextpdf.kernel.counter

Class DataHandlerCounter<T,V extends EventData<T>>

java.lang.Object

com.itextpdf.kernel.counter.EventCounter

com.itextpdf.kernel.counter.DataHandlerCounter<T,V>

Type Parameters:

T - The data signature class

V - The event data class

All Implemented Interfaces:

Closeable, AutoCloseable

public class DataHandlerCounter<T,V extends EventData<T>>
extends EventCounter
implements Closeable

Counter based on EventDataHandler. Registers shutdown hook and thread for triggering event processing after wait time.

Constructor Summary

Constructors

Constructor and Description
DataHandlerCounter(EventDataHandler<T,V> dataHandler) Create an instance with provided data handler and UnknownContext.PERMISSIVE fallback context.
DataHandlerCounter(EventDataHandler<T,V> dataHandler, IContext fallback) Create an instance with provided data handler and fallback context.

Method Summary

Modifier and Type	Method and Description
void	close() Disable all registered hooks and process the left data.
protected void	onEvent(IEvent event, IMetaInfo metaInfo) Process the event.

Methods inherited from class java.lang.Object

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

Constructor Detail

DataHandlerCounter

public DataHandlerCounter(EventDataHandler<T,V> dataHandler)

Create an instance with provided data handler and UnknownContext.PERMISSIVE fallback context.

Parameters:

dataHandler - the EventDataHandler for events handling

DataHandlerCounter

public DataHandlerCounter(EventDataHandler<T,V> dataHandler,
                          IContext fallback)

Create an instance with provided data handler and fallback context.

Parameters:

dataHandler - the EventDataHandler for events handling

fallback - the fallback context

Method Detail

onEvent

protected void onEvent(IEvent event,
                       IMetaInfo metaInfo)

Process the event.

Specified by:

onEvent in class EventCounter

Parameters:

event - IEvent to count

metaInfo - the IMetaInfo that can hold information about event origin

Throws:

IllegalStateException - if the current instance has been disabled. See close()

close

public void close()

Disable all registered hooks and process the left data. Note that after this method invocation the onEvent(IEvent, IMetaInfo) method would throw an exception.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable