edu.iu.dsc.tws.tset.fn.impl

Class TextBasedSourceFunction

java.lang.Object

edu.iu.dsc.tws.api.tset.fn.BaseTFunction<T,T>

edu.iu.dsc.tws.api.tset.fn.BaseSourceFunc<java.lang.String>

edu.iu.dsc.tws.tset.fn.impl.TextBasedSourceFunction

All Implemented Interfaces:

SourceFunc<java.lang.String>, TFunction<java.lang.String,java.lang.String>, java.io.Serializable

public class TextBasedSourceFunction
extends BaseSourceFunc<java.lang.String>

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
TextBasedSourceFunction(java.lang.String dataInputdirectory, int datasize, int parallelism, java.lang.String type)

Method Summary

Modifier and Type	Method and Description
boolean	hasNext() Weather we have more data
java.lang.String	next() Get the next value
void	prepare(TSetContext context) Prepare the function.

Methods inherited from class edu.iu.dsc.tws.api.tset.fn.BaseTFunction

getInput, getTSetContext

Methods inherited from class java.lang.Object

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

Methods inherited from interface edu.iu.dsc.tws.api.tset.fn.SourceFunc

close

Methods inherited from interface edu.iu.dsc.tws.api.tset.fn.TFunction

end

Constructor Detail

TextBasedSourceFunction

public TextBasedSourceFunction(java.lang.String dataInputdirectory,
                               int datasize,
                               int parallelism,
                               java.lang.String type)

Method Detail

prepare

public void prepare(TSetContext context)

Description copied from interface: TFunction

Prepare the function. Use this context in case you need to add/get inputs

Specified by:

prepare in interface TFunction<java.lang.String,java.lang.String>

Overrides:

prepare in class BaseTFunction<java.lang.String,java.lang.String>

Parameters:

context - CONTEXT

hasNext

public boolean hasNext()

Description copied from interface: SourceFunc

Weather we have more data

Returns:

true if there is more data to be read

next

public java.lang.String next()

Description copied from interface: SourceFunc

Get the next value

Returns:

the next value