speiger.src.collections.doubles.utils

Class DoubleCollections

java.lang.Object

speiger.src.collections.doubles.utils.DoubleCollections

public class DoubleCollections
extends java.lang.Object

A Helper class for Collections

Nested Class Summary

Nested Classes

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

Field Summary

Fields

Modifier and Type	Field and Description
static DoubleCollection	EMPTY Empty Collection Reference

Constructor Summary

Constructors

Constructor and Description
DoubleCollections()

Method Summary

Modifier and Type	Method and Description
static DoubleCollection	empty() Returns a Immutable EmptyCollection instance that is automatically casted.
static DoubleCollection	singleton(double element) Creates a Singleton Collection of a given element
static DoubleCollection	synchronize(DoubleCollection c) Returns a synchronized Collection instance based on the instance given.
static DoubleCollection	synchronize(DoubleCollection c, java.lang.Object mutex) Returns a synchronized Collection instance based on the instance given.
static DoubleCollection	unmodifiable(DoubleCollection 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 DoubleCollection EMPTY

Empty Collection Reference

Constructor Detail

DoubleCollections

public DoubleCollections()

Method Detail

empty

public static DoubleCollection empty()

Returns a Immutable EmptyCollection instance that is automatically casted.

Returns:

an empty collection

unmodifiable

public static DoubleCollection unmodifiable(DoubleCollection c)

Returns a Immutable Collection instance based on the instance given.

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 DoubleCollection synchronize(DoubleCollection c)

Returns a synchronized Collection instance based on the instance given.

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 DoubleCollection synchronize(DoubleCollection c,
                                           java.lang.Object mutex)

Returns a synchronized Collection instance based on the instance given.

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.

singleton

public static DoubleCollection singleton(double element)

Creates a Singleton Collection of a given element

Parameters:

element - the element that should be converted into a singleton collection

Returns:

a singletoncollection of the given element