Package org.apache.commons.lang3.mutable

Class MutableObject<T>

java.lang.Object

org.apache.commons.lang3.mutable.MutableObject<T>

Type Parameters:

T - the type to set and get

All Implemented Interfaces:

Serializable, Mutable<T>

public class MutableObject<T>
extends Object
implements Mutable<T>, Serializable

A mutable Object wrapper.

Since:

2.1

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
MutableObject()	Constructs a new MutableObject with the default value of null.
MutableObject(T value)	Constructs a new MutableObject with the specified value.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)	Compares this object against the specified object.
T	getValue()	Gets the value.
int	hashCode()	Returns the value's hash code or 0 if the value is null.
void	setValue(T value)	Sets the value.
String	toString()	Returns the String value of this mutable.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

MutableObject

public MutableObject()

Constructs a new MutableObject with the default value of null.

MutableObject

public MutableObject(T value)

Constructs a new MutableObject with the specified value.

Parameters:

value - the initial value to store

Method Detail

getValue

public T getValue()

Gets the value.

Specified by:

getValue in interface Mutable<T>

Returns:

the value, may be null

setValue

public void setValue(T value)

Sets the value.

Specified by:

setValue in interface Mutable<T>

Parameters:

value - the value to set

equals

public boolean equals(Object obj)

Compares this object against the specified object. The result is true if and only if the argument is not null and is a MutableObject object that contains the same T value as this object.

Overrides:

equals in class Object

Parameters:

obj - the object to compare with, null returns false

Returns:

true if the objects are the same; true if the objects have equivalent value fields; false otherwise.

hashCode

public int hashCode()

Returns the value's hash code or 0 if the value is null.

Overrides:

hashCode in class Object

Returns:

the value's hash code or 0 if the value is null.

toString

public String toString()

Returns the String value of this mutable.

Overrides:

toString in class Object

Returns:

the mutable value as a string