org.jboss.weld.util.collections

Class Iterables

java.lang.Object

org.jboss.weld.util.collections.Iterables

public final class Iterables
extends java.lang.Object

Static utility methods for Iterable.

Author:

Martin Kouba

Method Summary

Modifier and Type	Method and Description
static <T> boolean	addAll(java.util.Collection<T> target, java.lang.Iterable<? extends T> iterable) Add all elements in the iterable to the collection.
static <T> java.lang.Iterable<T>	concat(java.lang.Iterable<? extends java.lang.Iterable<? extends T>> iterables) Combine the iterables into a single one.
static <T> java.util.Iterator<java.util.Iterator<? extends T>>	iterators(java.lang.Iterable<? extends java.lang.Iterable<? extends T>> iterables)

Methods inherited from class java.lang.Object

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

Method Detail

addAll

public static <T> boolean addAll(java.util.Collection<T> target,
                                 java.lang.Iterable<? extends T> iterable)

Add all elements in the iterable to the collection.

Parameters:

target -

iterable -

Returns:

true if the target was modified, false otherwise

concat

public static <T> java.lang.Iterable<T> concat(java.lang.Iterable<? extends java.lang.Iterable<? extends T>> iterables)

Combine the iterables into a single one.

Parameters:

iterables -

Returns:

a single combined iterable

iterators

public static <T> java.util.Iterator<java.util.Iterator<? extends T>> iterators(java.lang.Iterable<? extends java.lang.Iterable<? extends T>> iterables)

Parameters:

iterables -

Returns:

an iterator over iterators from the given iterable of iterables