org.apache.commons.lang.mutable

Class MutableLong

public class MutableLong extends Number implements Comparable, Mutable

A mutable long wrapper.

Since: 2.1

Version: $Id: MutableLong.java 161243 2005-04-14 04:30:28Z ggregory $

See Also: Long

Constructor Summary
MutableLong()
Constructs a new MutableLong with the default value of zero.
MutableLong(long value)
Constructs a new MutableLong with the specified value.
MutableLong(Number value)
Constructs a new MutableLong with the specified value.
Method Summary
intcompareTo(Object obj)
Compares this mutable to another in ascending order.
doubledoubleValue()
Returns the value of this MutableLong as a double.
booleanequals(Object obj)
Compares this object against the specified object.
floatfloatValue()
Returns the value of this MutableLong as a float.
ObjectgetValue()
Gets the value as a Long instance.
inthashCode()
Returns a suitable hashcode for this mutable.
intintValue()
Returns the value of this MutableLong as a int.
longlongValue()
Returns the value of this MutableLong as a long.
voidsetValue(long value)
Sets the value.
voidsetValue(Object value)
Sets the value from any Number instance.
StringtoString()
Returns the String value of this mutable.

Constructor Detail

MutableLong

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

MutableLong

public MutableLong(long value)
Constructs a new MutableLong with the specified value.

Parameters: value a value.

MutableLong

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

Parameters: value a value.

Throws: NullPointerException if the object is null

Method Detail

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

Throws: ClassCastException if the argument is not a MutableLong

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.

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(long value)
Sets the value.

Parameters: value the value to set

setValue

public void setValue(Object value)
Sets the value from any Number instance.

Parameters: value the value to set

Throws: NullPointerException if the object is null ClassCastException if the type is not a {@link Number}

toString

public String toString()
Returns the String value of this mutable.

Returns: the mutable value as a string

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