com.timeindexing.appl
Class SelectionWithHeaderStreamer

java.lang.Object
  com.timeindexing.event.OutputEventGenerator
      com.timeindexing.appl.OutputStreamer
          com.timeindexing.appl.SelectionStreamer
              com.timeindexing.appl.SelectionWithHeaderStreamer

public class SelectionWithHeaderStreamer
extends SelectionStreamer

A class to output a selction of the data toghether with a header.

Field Summary

Fields inherited from class com.timeindexing.appl.OutputStreamer

index, out, outputPlugin, outputProperties, writeCount

Fields inherited from class com.timeindexing.event.OutputEventGenerator

outputListenerList

Constructor Summary

SelectionWithHeaderStreamer(Index anIndex, java.io.OutputStream output)
Construct an SelectionWithHeaderStreamer object given an index and an output stream.

Method Summary

long	doOutput(IndexProperties properties) Do some output, given some IndexProperties.
protected long	processHeader(Index index) Process the header and output it.

Methods inherited from class com.timeindexing.appl.OutputStreamer

fetchIndexItem, getOutputPlugin, processTimeIndex, setOutputPlugin

Methods inherited from class com.timeindexing.event.OutputEventGenerator

addOutputEventListener, fireOutputEvent, getOutputEventListeners, hasOutputEventListeners, removeOutputEventListener

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectionWithHeaderStreamer

public SelectionWithHeaderStreamer(Index anIndex,
                                   java.io.OutputStream output)

Construct an SelectionWithHeaderStreamer object given an index and an output stream.

Method Detail

doOutput

public long doOutput(IndexProperties properties)
              throws java.io.IOException,
                     TimeIndexException

Do some output, given some IndexProperties. The IndexProperties specify a selection to make. Only the selection is output.

Overrides:

doOutput in class SelectionStreamer

Throws:

java.io.IOException

TimeIndexException

processHeader

protected long processHeader(Index index)
                      throws java.io.IOException,
                             TimeIndexException

Process the header and output it.

Returns:

the no of bytes output

Throws:

java.io.IOException

TimeIndexException