com.natpryce.makeiteasy
Class Maker<T>

java.lang.Object
  com.natpryce.makeiteasy.Maker<T>

Type Parameters:

T - the type of object to make

All Implemented Interfaces:

Donor<T>, PropertyLookup<T>

public class Maker<T>
extends Object
implements PropertyLookup<T>, Donor<T>

Makes objects of a given type with a specified initial state.

Constructor Summary

Maker(Instantiator<T> instantiator, PropertyValue<? super T,?>... propertyValues)
Creates a Maker for objects of a given type with a given initial state.

Method Summary

Maker<T>	but(PropertyValue<? super T,?>... propertyValues) Returns a new Maker for the same type of object and with the same initial state except where overridden by the given propertyValues.
T	make() Makes a new object.
T	value() Donate the value.
<V> V	valueOf(Property<? super T,V> property, Donor<? extends V> defaultValue)
<V> V	valueOf(Property<? super T,V> property, V defaultValue)

Methods inherited from class java.lang.Object

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

Constructor Detail

Maker

public Maker(Instantiator<T> instantiator,
             PropertyValue<? super T,?>... propertyValues)

Creates a Maker for objects of a given type with a given initial state.

Parameters:

instantiator - creates the new objects

propertyValues - define the initial state of the new objects

Method Detail

make

public T make()

Makes a new object. The MakeItEasy.make method is syntactic sugar to make calls to this method read more naturally in most contexts.

Returns:

a new object

value

public T value()

Description copied from interface: Donor

Donate the value.

Specified by:

value in interface Donor<T>

Returns:

the value donated

but

public Maker<T> but(PropertyValue<? super T,?>... propertyValues)

Returns a new Maker for the same type of object and with the same initial state except where overridden by the given propertyValues.

Parameters:

propertyValues - those initial properties of the new Make that will differ from this Maker

Returns:

a new Maker

valueOf

public <V> V valueOf(Property<? super T,V> property,
                     V defaultValue)

Specified by:

valueOf in interface PropertyLookup<T>

Type Parameters:

V - the type of the value

Parameters:

property - the property for which a value will be returned

defaultValue - the default value to use if no value can be found

Returns:

the value for the given property, or defaultValue if no value can be found.

valueOf

public <V> V valueOf(Property<? super T,V> property,
                     Donor<? extends V> defaultValue)

Specified by:

valueOf in interface PropertyLookup<T>

Type Parameters:

V - the type of the value

Parameters:

property - the property for which a value will be returned

defaultValue - an object that can provide the default value to use if no value can be found

Returns:

the value for the given property, or defaultValueDonor.value() if no value can be found.