speiger.src.collections.objects.utils

Class ObjectCollections

java.lang.Object

speiger.src.collections.objects.utils.ObjectCollections

public class ObjectCollections
extends java.lang.Object

A Helper class for Collections

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ObjectCollections.EmptyCollection<T> Empty Collection implementation for the empty collection function
static class	ObjectCollections.SynchronizedCollection<T> Synchronized Collection Wrapper for the synchronizedCollection function
static class	ObjectCollections.UnmodifiableCollection<T> Unmodifyable Collection Wrapper for the unmodifyableCollection method

Field Summary

Fields

Modifier and Type	Field and Description
static ObjectCollection<?>	EMPTY Empty Collection Reference

Constructor Summary

Constructors

Constructor and Description
ObjectCollections()

Method Summary

Modifier and Type	Method and Description
static <T> ObjectCollection<T>	empty() Returns a Immutable EmptyCollection instance that is automatically casted.
static <T> ObjectCollection<T>	synchronize(ObjectCollection<T> c) Returns a synchronized Collection instance based on the instance given.
static <T> ObjectCollection<T>	synchronize(ObjectCollection<T> c, java.lang.Object mutex) Returns a synchronized Collection instance based on the instance given.
static <T> ObjectCollection<T>	unmodifiable(ObjectCollection<T> c) Returns a Immutable Collection instance based on the instance given.

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY

public static final ObjectCollection<?> EMPTY

Empty Collection Reference

Constructor Detail

ObjectCollections

public ObjectCollections()

Method Detail

empty

public static <T> ObjectCollection<T> empty()

Returns a Immutable EmptyCollection instance that is automatically casted.

Type Parameters:

T - the type of elements maintained by this Collection

Returns:

an empty collection

unmodifiable

public static <T> ObjectCollection<T> unmodifiable(ObjectCollection<T> c)

Returns a Immutable Collection instance based on the instance given.

Type Parameters:

T - the type of elements maintained by this Collection

Parameters:

c - that should be made immutable/unmodifiable

Returns:

a unmodifiable collection wrapper. If the Collection already a unmodifiable wrapper then it just returns itself.

synchronize

public static <T> ObjectCollection<T> synchronize(ObjectCollection<T> c)

Returns a synchronized Collection instance based on the instance given.

Type Parameters:

T - the type of elements maintained by this Collection

Parameters:

c - that should be synchronized

Returns:

a synchronized collection wrapper. If the Collection already a synchronized wrapper then it just returns itself.

synchronize

public static <T> ObjectCollection<T> synchronize(ObjectCollection<T> c,
                                                  java.lang.Object mutex)

Returns a synchronized Collection instance based on the instance given.

Type Parameters:

T - the type of elements maintained by this Collection

Parameters:

c - that should be synchronized

mutex - is the controller of the synchronization block.

Returns:

a synchronized collection wrapper. If the Collection already a synchronized wrapper then it just returns itself.