speiger.src.collections.objects.utils

Interface ObjectStrategy<T>

Type Parameters:

T - the type of elements maintained by this Collection

All Known Implementing Classes:

ObjectStrategy.IdentityStrategy

public interface ObjectStrategy<T>

A Type Specific Strategy class that allows to give control hashcode generation and equals comparason for maps

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	ObjectStrategy.IdentityStrategy<T> A Strategy that uses Identity HashCode instead of the normal hashing function.

Field Summary

Fields

Modifier and Type	Field and Description
static ObjectStrategy<?>	IDENTITY Identity Strategy

Method Summary

Modifier and Type	Method and Description
boolean	equals(T key, T value) Type Specific Equals function
int	hashCode(T o) Type Specific HashCode function
static <T> ObjectStrategy<T>	identityStrategy()

Field Detail

IDENTITY

static final ObjectStrategy<?> IDENTITY

Identity Strategy

Method Detail

identityStrategy

static <T> ObjectStrategy<T> identityStrategy()

Type Parameters:

T - the type of elements maintained by this Collection

Returns:

a IdentityStrategy that allows to emulate a IdentityHashMap

hashCode

int hashCode(T o)

Type Specific HashCode function

Parameters:

o - the element that the hashcode is requested for (if object may be null)

Returns:

hashcode for the given entry

equals

boolean equals(T key,
               T value)

Type Specific Equals function

Parameters:

key - the first element that should be compared with

value - the second element that should be compared with (if object may be null)

Returns:

if the elements match