eu.stratosphere.core.testing

Class IteratorUtil

java.lang.Object

eu.stratosphere.core.testing.IteratorUtil

public class IteratorUtil
extends Object

Convenience methods for working with Objects that should be used as records in Stratosphere.

Constructor Summary

Constructors

Constructor and Description
IteratorUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static <T> String	stringify(TypeStringifier<T> typeStringifier, Iterator<T> iterator) Generates a string for the Objects using the given TypeStringifier. This method stringifies at most 20 records. To exert more control over the amounts of records, use stringify(TypeStringifier, Iterator, int).
static <T> String	stringify(TypeStringifier<T> typeStringifier, Iterator<T> iterator, int maxNum) Generates a string for the Objects using the given TypeStringifier for the first maxNum Objects.

Methods inherited from class java.lang.Object

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

Constructor Detail

IteratorUtil

public IteratorUtil()

Method Detail

stringify

public static <T> String stringify(TypeStringifier<T> typeStringifier,
                   Iterator<T> iterator)

Generates a string for the Objects using the given TypeStringifier.
This method stringifies at most 20 records.
To exert more control over the amounts of records, use stringify(TypeStringifier, Iterator, int).

Returns:

a string representation of the records

stringify

public static <T> String stringify(TypeStringifier<T> typeStringifier,
                   Iterator<T> iterator,
                   int maxNum)

Generates a string for the Objects using the given TypeStringifier for the first maxNum Objects.

Returns:

a string representation of the records