org.apache.commons.lang.mutable

Class MutableInt

Implemented Interfaces:
Comparable, Mutable

public class MutableInt
extends Number
implements Comparable, Mutable

A mutable int wrapper.
Version:
$Id: MutableInt.java 161243 2005-04-14 04:30:28Z ggregory $
Since:
2.1
See Also:
Integer

Constructor Summary

MutableInt()
Constructs a new MutableInt with the default value of zero.
MutableInt(Number value)
Constructs a new MutableInt with the specified value.
MutableInt(int value)
Constructs a new MutableInt with the specified value.

Method Summary

int
compareTo(Object obj)
Compares this mutable to another in ascending order.
double
doubleValue()
Returns the value of this MutableInt as a double.
boolean
equals(Object obj)
Compares this object to the specified object.
float
floatValue()
Returns the value of this MutableInt as a float.
Object
getValue()
Gets the value as a Integer instance.
int
hashCode()
Returns a suitable hashcode for this mutable.
int
intValue()
Returns the value of this MutableInt as a int.
long
longValue()
Returns the value of this MutableInt as a long.
void
setValue(Object value)
Sets the value from any Number instance.
void
setValue(int value)
Sets the value.
String
toString()
Returns the String value of this mutable.

Constructor Details

MutableInt

public MutableInt()
Constructs a new MutableInt with the default value of zero.

MutableInt

public MutableInt(Number value)
Constructs a new MutableInt with the specified value.
Parameters:
value - a value.

MutableInt

public MutableInt(int value)
Constructs a new MutableInt with the specified value.
Parameters:
value - a value.

Method Details

compareTo

public int compareTo(Object obj)
Compares this mutable to another in ascending order.
Parameters:
obj - the mutable to compare to
Returns:
negative if this is less, zero if equal, positive if greater

doubleValue

public double doubleValue()
Returns the value of this MutableInt as a double.
Returns:
the numeric value represented by this object after conversion to type double.

equals

public boolean equals(Object obj)
Compares this object to the specified object. The result is true if and only if the argument is not null and is an MutableInt object that contains the same int value as this object.
Parameters:
obj - the object to compare with.
Returns:
true if the objects are the same; false otherwise.

floatValue

public float floatValue()
Returns the value of this MutableInt as a float.
Returns:
the numeric value represented by this object after conversion to type float.

getValue

public Object getValue()
Gets the value as a Integer instance.
Specified by:
getValue in interface Mutable
Returns:
the value as a Integer

hashCode

public int hashCode()
Returns a suitable hashcode for this mutable.
Returns:
a suitable hashcode

intValue

public int intValue()
Returns the value of this MutableInt as a int.
Returns:
the numeric value represented by this object after conversion to type int.

longValue

public long longValue()
Returns the value of this MutableInt as a long.
Returns:
the numeric value represented by this object after conversion to type long.

setValue

public void setValue(Object value)
Sets the value from any Number instance.
Specified by:
setValue in interface Mutable
Parameters:
value - the value to set

setValue

public void setValue(int value)
Sets the value.
Parameters:
value - the value to set

toString

public String toString()
Returns the String value of this mutable.
Returns:
the mutable value as a string

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