org.apache.mahout.utils.vectors.csv

Class CSVVectorIterator

java.lang.Object

com.google.common.collect.UnmodifiableIterator<T>

com.google.common.collect.AbstractIterator<Vector>

org.apache.mahout.utils.vectors.csv.CSVVectorIterator

All Implemented Interfaces:

Iterator<Vector>

public class CSVVectorIterator
extends com.google.common.collect.AbstractIterator<Vector>

Iterates a CSV file and produces Vector.
The Iterator returned throws UnsupportedOperationException for the Iterator.remove() method.

Assumes DenseVector for now, but in the future may have the option of mapping columns to sparse format

The Iterator is not thread-safe.

Constructor Summary

Constructors

Constructor and Description
CSVVectorIterator(Reader reader)
CSVVectorIterator(Reader reader, org.apache.commons.csv.CSVStrategy strategy)

Method Summary

Methods

Modifier and Type	Method and Description
protected Vector	computeNext()

Methods inherited from class com.google.common.collect.AbstractIterator

endOfData, hasNext, next, peek

Methods inherited from class com.google.common.collect.UnmodifiableIterator

remove

Methods inherited from class java.lang.Object

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

Constructor Detail

CSVVectorIterator

public CSVVectorIterator(Reader reader)

CSVVectorIterator

public CSVVectorIterator(Reader reader,
                 org.apache.commons.csv.CSVStrategy strategy)

Method Detail

computeNext

protected Vector computeNext()

Specified by:

computeNext in class com.google.common.collect.AbstractIterator<Vector>