org.aksw.commons.collections

Class CollectionUtils

java.lang.Object

org.aksw.commons.collections.CollectionUtils

public class CollectionUtils
extends Object

User: raven Date: 4/17/11 Time: 12:36 AM

Constructor Summary

Constructors

Constructor and Description
CollectionUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static <T> Set<T>	asSet(Collection<T> c)
static <T> List<List<T>>	chunk(Iterable<T> col, int batchSize)
static <S,T extends Iterable<S>> Iterable<S>	safeGetFirst(Iterable<T> iterable) Given an iterable A whose elements are iterables, this method will return the first element of A.

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionUtils

public CollectionUtils()

Method Detail

safeGetFirst

public static <S,T extends Iterable<S>> Iterable<S> safeGetFirst(Iterable<T> iterable)

Given an iterable A whose elements are iterables, this method will return the first element of A. If no such element exist, an empty iterable is returned rather than null.

Type Parameters:

S -

T -

Parameters:

iterable -

Returns:

chunk

public static <T> List<List<T>> chunk(Iterable<T> col,
                      int batchSize)

asSet

public static <T> Set<T> asSet(Collection<T> c)