LazyWrappingIterable

java.lang.Object

com.polarion.alm.shared.api.utils.collections.LazyWrappingIterable<E,W>

All Implemented Interfaces:: IterableWithSize<W>, Iterable<W>

public abstract class LazyWrappingIterable<E,W> extends Object implements IterableWithSize<W>

The iterator never returns null values

Since:: 3.9.0

Constructor Summary

Constructors

Constructor

Description

LazyWrappingIterable(IterableWithSize<E> elements)

LazyWrappingIterable(StrictList<E> elements)
Method Summary

Modifier and Type

Method

Description

final void

addAllTo(Collection<? super W> collection)

final boolean

isEmpty()

final Iterator<W>

iterator()

final int

size()

final W[]

toArray(W[] a)

Iterating over array is faster, when checking for concurrent modification is not needed.

final ArrayList<W>

toArrayList()

Returns new ArrayList containing the same elements, so modifying the returned list does not modify the original collection.

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.lang.Iterable
forEach, spliterator

Constructor Details
- LazyWrappingIterable
  
  public LazyWrappingIterable(@NotNull StrictList<E> elements)
- LazyWrappingIterable
  
  public LazyWrappingIterable(@NotNull IterableWithSize<E> elements)
  
  Since:
  
  3.17.2
Method Details
- iterator
  
  public final Iterator<W> iterator()
  
  Specified by:
  
  iterator in interface Iterable<E>
- size
  
  public final int size()
  
  Specified by:
  
  size in interface IterableWithSize<E>
- isEmpty
  
  public final boolean isEmpty()
  
  Specified by:
  
  isEmpty in interface IterableWithSize<E>
- addAllTo
  
  public final void addAllTo(@NotNull Collection<? super W> collection)
  
  Specified by:
  
  addAllTo in interface IterableWithSize<E>
- toArrayList
  
  @NotNull public final ArrayList<W> toArrayList()
  
  Description copied from interface: IterableWithSize
  
  Returns new ArrayList containing the same elements, so modifying the returned list does not modify the original collection.
  
  Specified by:
  
  toArrayList in interface IterableWithSize<E>
- toArray
  
  @NotNull public final W[] toArray(@NotNull W[] a)
  
  Description copied from interface: IterableWithSize
  
  Iterating over array is faster, when checking for concurrent modification is not needed.
  
  Specified by:
  
  toArray in interface IterableWithSize<E>
  
  Parameters:
  
  a - - must have exactly the same size as the collection