java.lang.Object
- net.shibboleth.utilities.java.support.collection.LazyList<ElementType>

Type Parameters:

ElementType - type of elements within the list

All Implemented Interfaces:

Serializable, Iterable<ElementType>, Collection<ElementType>, List<ElementType>
```
@NotThreadSafe
public class LazyList<ElementType>
extends Object
implements List<ElementType>, Serializable
```
A list that is lazy initialized. This list takes very little memory when storing zero or one item.

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

private List<ElementType> delegate
Delegate list.

private static long serialVersionUID
Serial version UID.

Constructor Summary

Constructors
Constructor Description

LazyList()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`add(int index, ElementType element)`
`boolean`	`add(ElementType item)`
`boolean`	`addAll(int index, Collection<? extends ElementType> collection)`
`boolean`	`addAll(Collection<? extends ElementType> collection)`
`protected List<ElementType>`	`buildList()`	Builds an appropriate delegate for this list.
`void`	`clear()`
`boolean`	`contains(Object element)`
`boolean`	`containsAll(Collection<?> collections)`
`boolean`	`equals(Object obj)`
`ElementType`	`get(int index)`
`int`	`hashCode()`
`int`	`indexOf(Object element)`
`boolean`	`isEmpty()`
`Iterator<ElementType>`	`iterator()`
`int`	`lastIndexOf(Object element)`
`ListIterator<ElementType>`	`listIterator()`
`ListIterator<ElementType>`	`listIterator(int index)`
`ElementType`	`remove(int index)`
`boolean`	`remove(Object element)`
`boolean`	`removeAll(Collection<?> collection)`
`boolean`	`retainAll(Collection<?> collection)`
`ElementType`	`set(int index, ElementType element)`
`int`	`size()`
`List<ElementType>`	`subList(int fromIndex, int toIndex)`
`Object[]`	`toArray()`
`<T> T[]`	`toArray(T[] type)`
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection
parallelStream, removeIf, stream, toArray

Methods inherited from interface java.lang.Iterable
forEach

Methods inherited from interface java.util.List
replaceAll, sort, spliterator

- Field Detail
  - serialVersionUID
```
private static final long serialVersionUID
```
    Serial version UID.
    
    See Also:
    
    Constant Field Values
  - delegate
```
private List<ElementType> delegate
```
    Delegate list.
- Constructor Detail
  - LazyList
```
public LazyList()
```
- Method Detail
  - add
```
public boolean add(ElementType item)
```
    Specified by:
    
    add in interface Collection<ElementType>
    
    Specified by:
    
    add in interface List<ElementType>
  - add
```
public void add(int index,
                ElementType element)
```
    Specified by:
    
    add in interface List<ElementType>
  - addAll
```
public boolean addAll(Collection<? extends ElementType> collection)
```
    Specified by:
    
    addAll in interface Collection<ElementType>
    
    Specified by:
    
    addAll in interface List<ElementType>
  - addAll
```
public boolean addAll(int index,
                      Collection<? extends ElementType> collection)
```
    Specified by:
    
    addAll in interface List<ElementType>
  - clear
```
public void clear()
```
    Specified by:
    
    clear in interface Collection<ElementType>
    
    Specified by:
    
    clear in interface List<ElementType>
  - contains
```
public boolean contains(Object element)
```
    Specified by:
    
    contains in interface Collection<ElementType>
    
    Specified by:
    
    contains in interface List<ElementType>
  - containsAll
```
public boolean containsAll(Collection<?> collections)
```
    Specified by:
    
    containsAll in interface Collection<ElementType>
    
    Specified by:
    
    containsAll in interface List<ElementType>
  - get
```
public ElementType get(int index)
```
    Specified by:
    
    get in interface List<ElementType>
  - indexOf
```
public int indexOf(Object element)
```
    Specified by:
    
    indexOf in interface List<ElementType>
  - isEmpty
```
public boolean isEmpty()
```
    Specified by:
    
    isEmpty in interface Collection<ElementType>
    
    Specified by:
    
    isEmpty in interface List<ElementType>
  - iterator
```
public Iterator<ElementType> iterator()
```
    Specified by:
    
    iterator in interface Collection<ElementType>
    
    Specified by:
    
    iterator in interface Iterable<ElementType>
    
    Specified by:
    
    iterator in interface List<ElementType>
  - lastIndexOf
```
public int lastIndexOf(Object element)
```
    Specified by:
    
    lastIndexOf in interface List<ElementType>
  - listIterator
```
public ListIterator<ElementType> listIterator()
```
    Specified by:
    
    listIterator in interface List<ElementType>
  - listIterator
```
public ListIterator<ElementType> listIterator(int index)
```
    Specified by:
    
    listIterator in interface List<ElementType>
  - remove
```
public boolean remove(Object element)
```
    Specified by:
    
    remove in interface Collection<ElementType>
    
    Specified by:
    
    remove in interface List<ElementType>
  - remove
```
public ElementType remove(int index)
```
    Specified by:
    
    remove in interface List<ElementType>
  - removeAll
```
public boolean removeAll(Collection<?> collection)
```
    Specified by:
    
    removeAll in interface Collection<ElementType>
    
    Specified by:
    
    removeAll in interface List<ElementType>
  - retainAll
```
public boolean retainAll(Collection<?> collection)
```
    Specified by:
    
    retainAll in interface Collection<ElementType>
    
    Specified by:
    
    retainAll in interface List<ElementType>
  - set
```
public ElementType set(int index,
                       ElementType element)
```
    Specified by:
    
    set in interface List<ElementType>
  - size
```
public int size()
```
    Specified by:
    
    size in interface Collection<ElementType>
    
    Specified by:
    
    size in interface List<ElementType>
  - subList
```
public List<ElementType> subList(int fromIndex,
                                 int toIndex)
```
    Specified by:
    
    subList in interface List<ElementType>
  - toArray
```
public Object[] toArray()
```
    Specified by:
    
    toArray in interface Collection<ElementType>
    
    Specified by:
    
    toArray in interface List<ElementType>
  - toArray
```
public <T> T[] toArray(T[] type)
```
    Specified by:
    
    toArray in interface Collection<ElementType>
    
    Specified by:
    
    toArray in interface List<ElementType>
  - buildList
```
protected List<ElementType> buildList()
```
    Builds an appropriate delegate for this list.
    
    Returns:
    
    delegate for this list
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - hashCode
```
public int hashCode()
```
    Specified by:
    
    hashCode in interface Collection<ElementType>
    
    Specified by:
    
    hashCode in interface List<ElementType>
    
    Overrides:
    
    hashCode in class Object
  - equals
```
public boolean equals(Object obj)
```
    Specified by:
    
    equals in interface Collection<ElementType>
    
    Specified by:
    
    equals in interface List<ElementType>
    
    Overrides:
    
    equals in class Object

Modifier and Type	Field	Description
`private List<ElementType>`	`delegate`	Delegate list.
`private static long`	`serialVersionUID`	Serial version UID.

Class LazyList<ElementType>

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface java.util.Collection

Methods inherited from interface java.lang.Iterable

Methods inherited from interface java.util.List

Field Detail

serialVersionUID

delegate

Constructor Detail

LazyList

Method Detail

add

add

addAll

addAll

clear

contains

containsAll

get

indexOf

isEmpty

iterator

lastIndexOf

listIterator

listIterator

remove

remove

removeAll

retainAll

set

size

subList

toArray

toArray

buildList

toString

hashCode

equals