org.semarglproject.sink

Class Pipe<S extends DataSink>

java.lang.Object

org.semarglproject.sink.Pipe<S>

Type Parameters:

S - class of output sink

All Implemented Interfaces:

DataSink

public abstract class Pipe<S extends DataSink>
extends Object
implements DataSink

Base class for pipeline procecessing blocks with one source and one sink.

Field Summary

Fields

Modifier and Type	Field and Description
protected S	sink

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Pipe(S sink)

Method Summary

Methods

Modifier and Type	Method and Description
void	endStream() Callback for end stream event.
boolean	setProperty(String key, Object value) Key-value based settings.
protected abstract boolean	setPropertyInternal(String key, Object value)
void	startStream() Callback for start stream event.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.semarglproject.sink.DataSink

setBaseUri

Field Detail

sink

protected final S extends DataSink sink

Constructor Detail

Pipe

protected Pipe(S sink)

Method Detail

startStream

public void startStream()
                 throws ParseException

Description copied from interface: DataSink

Callback for start stream event.

Specified by:

startStream in interface DataSink

Throws:

ParseException

endStream

public void endStream()
               throws ParseException

Description copied from interface: DataSink

Callback for end stream event.

Specified by:

endStream in interface DataSink

Throws:

ParseException

setProperty

public final boolean setProperty(String key,
                  Object value)

Description copied from interface: DataSink

Key-value based settings. Property settings are passed to child sinks.

Specified by:

setProperty in interface DataSink

Parameters:

key - property key

value - property value

Returns:

true if at least one sink understands specified property, false otherwise

setPropertyInternal

protected abstract boolean setPropertyInternal(String key,
                          Object value)