org.apache.commons.lang.mutable

Class MutableLong

Implemented Interfaces:
Comparable, Mutable

public class MutableLong
extends Number
implements Comparable, Mutable

A mutable long wrapper.
Version:
$Id: MutableLong.java 161243 2005-04-14 04:30:28Z ggregory $
Since:
2.1
See Also:
Long

Constructor Summary

MutableLong()
Constructs a new MutableLong with the default value of zero.
MutableLong(Number value)
Constructs a new MutableLong with the specified value.
MutableLong(long value)
Constructs a new MutableLong 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 MutableLong as a double.
boolean
equals(Object obj)
Compares this object against the specified object.
float
floatValue()
Returns the value of this MutableLong as a float.
Object
getValue()
Gets the value as a Long instance.
int
hashCode()
Returns a suitable hashcode for this mutable.
int
intValue()
Returns the value of this MutableLong as a int.
long
longValue()
Returns the value of this MutableLong as a long.
void
setValue(Object value)
Sets the value from any Number instance.
void
setValue(long value)
Sets the value.
String
toString()
Returns the String value of this mutable.

Constructor Details

MutableLong

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

MutableLong

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

MutableLong

public MutableLong(long value)
Constructs a new MutableLong 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 MutableLong 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 against the specified object. The result is true if and only if the argument is not null and is a MutableLong object that contains the same long 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 MutableLong 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 Long instance.
Specified by:
getValue in interface Mutable
Returns:
the value as a Long

hashCode

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

intValue

public int intValue()
Returns the value of this MutableLong 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 MutableLong 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(long 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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