visad.data.in
Class DataInputFilter

java.lang.Object
  visad.data.in.DataInputFilter

All Implemented Interfaces:

DataInputStream

Direct Known Subclasses:

Consolidator, Selector, TimeFactorer

public abstract class DataInputFilter
extends Object
implements DataInputStream

Provides support for a filter-module in a data-import pipe. In general, such a filter-module obtains VisAD data objects its upstream data source and transforms them in some way before passing them on.

Author:

Steven R. Emmerson

Constructor Summary

protected

DataInputFilter(DataInputStream source) Constructs from an upstream data source.

Method Summary

DataInputStream

getSource() Returns the upstream data source.

Methods inherited from class java.lang.Object

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

Methods inherited from interface visad.data.in.DataInputStream

readData

Constructor Detail

DataInputFilter

protected DataInputFilter(DataInputStream source)
                   throws VisADException

Constructs from an upstream data source.

Parameters:

source - The upstream data source. May not be null.

Throws:

VisADException - The upstream data source is null.

Method Detail

getSource

public final DataInputStream getSource()

Returns the upstream data source.

Returns:

The upstream data source.