com.thoughtworks.proxy.toys.nullobject
Class Null<T>

java.lang.Object
  com.thoughtworks.proxy.toys.nullobject.Null<T>

public class Null<T>
extends Object

Toy factory to create proxies acting as Null Objects.

Since:

0.1

Author:

Dan North, Aslak Hellesøy, Juan Li, Jörg Schaible

See Also:

com.thoughtworks.proxy.toys.nullobject

Nested Class Summary

static class

Null.NullBuild<T>

Field Summary

static Object	NULL_OBJECT The Null Object.
static SortedMap<Object,Object>	NULL_SORTED_MAP Immutable Null Object implementation of SortedMap.
static SortedSet<Object>	NULL_SORTED_SET Immutable Null Object implementation of SortedSet.

Method Summary

static boolean	isNullObject(Object object) Determine whether an object was created by proxy(Class).
static boolean	isNullObject(Object object, ProxyFactory proxyFactory) Determine whether an object was created by proxy(Class) using a special ProxyFactory with the builder.
static <T> Null.NullBuild<T>	proxy(Class<T> type) Creates a factory for proxy instances that is nullable.

Methods inherited from class java.lang.Object

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

Field Detail

NULL_OBJECT

public static final Object NULL_OBJECT

The Null Object.

Since:

0.1

NULL_SORTED_MAP

public static final SortedMap<Object,Object> NULL_SORTED_MAP

Immutable Null Object implementation of SortedMap.

Since:

0.1

NULL_SORTED_SET

public static final SortedSet<Object> NULL_SORTED_SET

Immutable Null Object implementation of SortedSet.

Since:

0.1

Method Detail

proxy

public static <T> Null.NullBuild<T> proxy(Class<T> type)

Creates a factory for proxy instances that is nullable.

Parameters:

type - the type implemented by the proxy

Returns:

the factory

Since:

1.0

isNullObject

public static boolean isNullObject(Object object)

Determine whether an object was created by proxy(Class).

Parameters:

object - the object to examine

Returns:

true if the object is a Null proxy.

Since:

0.1

isNullObject

public static boolean isNullObject(Object object,
                                   ProxyFactory proxyFactory)

Determine whether an object was created by proxy(Class) using a special ProxyFactory with the builder.

Parameters:

object - the object to examine

proxyFactory - the ProxyFactory to use

Returns:

true if the object is a Null proxy.

Since:

0.1