Package org.perfectable.introspection.bean

Class Property<B,T>

java.lang.Object

org.perfectable.introspection.bean.Property<B,T>

Type Parameters:

B - Bean type that has this property

T - Type of property value

public final class Property<B,T>
extends Object

Represents a property of a bean.

Method Summary

Modifier and Type	Method	Description
<X extends T> Property<B,X>	as(Class<X> newValueType)	Safely casts expected value to specific type.
void	copy(Bean<B> other)	Copies value of this property to same property of another bean.
boolean	equals(Object obj)
T	get()	Extracts value of this property from bound bean.
int	hashCode()
boolean	isReadable()	Answers if the property is readable, i.e.
boolean	isWritable()	Answers if the property is writeable, i.e.
String	name()	Extracts name of the property.
void	set(T value)	Sets provided value for this property of bound bean.
Type	type()	Extracts type of the property.

Methods inherited from class java.lang.Object

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

Method Detail

as

public <X extends T> Property<B,X> as(Class<X> newValueType)

Safely casts expected value to specific type.

Type Parameters:

X - new value type

Parameters:

newValueType - new value type representation

Returns:

property with new value type

Throws:

IllegalArgumentException - if property value aren't of this type.

get

@Nullable
public T get()

Extracts value of this property from bound bean.

Returns:

Property value

Throws:

IllegalStateException - when this property is not readable

set

public void set(@Nullable
                T value)

Sets provided value for this property of bound bean.

Parameters:

value - new value for this property

Throws:

IllegalStateException - when this property is not writeable

type

public Type type()

Extracts type of the property.

Returns:

property type

name

public String name()

Extracts name of the property.

Returns:

property name

isReadable

public boolean isReadable()

Answers if the property is readable, i.e. get() will succeed.

Returns:

if the property can have value read

isWritable

public boolean isWritable()

Answers if the property is writeable, i.e. set(T) will succeed.

Returns:

if the property can have value written

copy

public void copy(Bean<B> other)

Copies value of this property to same property of another bean.

Parameters:

other - bean to set value on

Throws:

IllegalStateException - when this property is either not readable or not writeable

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object