stream.generator

Class MixedStream

java.lang.Object

stream.io.AbstractStream

stream.generator.MixedStream

All Implemented Interfaces:

Source, Stream

public class MixedStream
extends AbstractStream

Author:

chris TODO: this should not extend abstract stream and might be obsolete with the Joins in the future.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) Random	rnd
(package private) List<Stream>	streams
(package private) Double	totalWeight
(package private) List<Double>	weights

Fields inherited from class stream.io.AbstractStream

closed, count, id, in, limit, prefix, seqId, sequenceKey, url

Fields inherited from interface stream.io.Stream

SOURCE_KEY

Constructor Summary

Constructors

Constructor and Description
MixedStream(SourceURL url)

Method Summary

Modifier and Type	Method and Description
void	add(Double weight, Stream stream)
protected int	choose()
Data	readNext()

Methods inherited from class stream.io.AbstractStream

close, getId, getInputStream, getLimit, getPrefix, getSequenceKey, getUrl, init, read, setId, setLimit, setPrefix, setSequenceKey, setUrl

Methods inherited from class java.lang.Object

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

Field Detail

totalWeight

Double totalWeight

weights

List<Double> weights

streams

List<Stream> streams

rnd

Random rnd

Constructor Detail

MixedStream

public MixedStream(SourceURL url)

Parameters:

url -

Method Detail

add

public void add(Double weight,
                Stream stream)

choose

protected int choose()

readNext

public Data readNext()
              throws Exception

Specified by:

readNext in class AbstractStream

Throws:

Exception

See Also:

Source.read()