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java.lang.Objectjava.lang.Number
com.google.common.primitives.UnsignedLong
@Beta @GwtCompatible(serializable=true) public class UnsignedLong
A wrapper class for unsigned long values, supporting arithmetic operations.
In some cases, when speed is more important than code readability, it may be faster simply to
treat primitive long values as unsigned, using the methods from UnsignedLongs.
Please do not extend this class; it will be made final in the near future.
| Field Summary | |
|---|---|
static UnsignedLong |
MAX_VALUE
|
static UnsignedLong |
ONE
|
static UnsignedLong |
ZERO
|
| Constructor Summary | |
|---|---|
protected |
UnsignedLong(long value)
|
| Method Summary | |
|---|---|
UnsignedLong |
add(UnsignedLong val)
Returns the result of adding this and val. |
static UnsignedLong |
asUnsigned(long value)
Returns an UnsignedLong that, when treated as signed, is equal to value. |
BigInteger |
bigIntegerValue()
Returns the value of this UnsignedLong as a BigInteger. |
int |
compareTo(UnsignedLong o)
|
UnsignedLong |
divide(UnsignedLong val)
Returns the result of dividing this by val. |
double |
doubleValue()
Returns the value of this UnsignedLong as a double, analogous to a widening
primitive conversion from long to double, and correctly rounded. |
boolean |
equals(Object obj)
|
float |
floatValue()
Returns the value of this UnsignedLong as a float, analogous to a widening
primitive conversion from long to float, and correctly rounded. |
int |
hashCode()
|
int |
intValue()
Returns the value of this UnsignedLong as an int. |
long |
longValue()
Returns the value of this UnsignedLong as a long. |
UnsignedLong |
multiply(UnsignedLong val)
Returns the result of multiplying this and val. |
UnsignedLong |
remainder(UnsignedLong val)
Returns the remainder of dividing this by val. |
UnsignedLong |
subtract(UnsignedLong val)
Returns the result of subtracting this and val. |
String |
toString()
Returns a string representation of the UnsignedLong value, in base 10. |
String |
toString(int radix)
Returns a string representation of the UnsignedLong value, in base radix. |
static UnsignedLong |
valueOf(BigInteger value)
Returns a UnsignedLong representing the same value as the specified BigInteger
. |
static UnsignedLong |
valueOf(String string)
Returns an UnsignedLong holding the value of the specified String, parsed as
an unsigned long value. |
static UnsignedLong |
valueOf(String string,
int radix)
Returns an UnsignedLong holding the value of the specified String, parsed as
an unsigned long value in the specified radix. |
| Methods inherited from class java.lang.Number |
|---|
byteValue, shortValue |
| Methods inherited from class java.lang.Object |
|---|
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Field Detail |
|---|
public static final UnsignedLong ZERO
public static final UnsignedLong ONE
public static final UnsignedLong MAX_VALUE
| Constructor Detail |
|---|
protected UnsignedLong(long value)
| Method Detail |
|---|
public static UnsignedLong asUnsigned(long value)
UnsignedLong that, when treated as signed, is equal to value. The
inverse operation is longValue().
Put another way, if value is negative, the returned result will be equal to
2^64 + value; otherwise, the returned result will be equal to value.
public static UnsignedLong valueOf(BigInteger value)
UnsignedLong representing the same value as the specified BigInteger
. This is the inverse operation of bigIntegerValue().
IllegalArgumentException - if value is negative or value >= 2^64public static UnsignedLong valueOf(String string)
UnsignedLong holding the value of the specified String, parsed as
an unsigned long value.
NumberFormatException - if the string does not contain a parsable unsigned long
value
public static UnsignedLong valueOf(String string,
int radix)
UnsignedLong holding the value of the specified String, parsed as
an unsigned long value in the specified radix.
NumberFormatException - if the string does not contain a parsable unsigned long
value, or radix is not between Character.MIN_RADIX and
Character.MAX_RADIXpublic UnsignedLong add(UnsignedLong val)
val. If the result would have more than 64 bits,
returns the low 64 bits of the result.
public UnsignedLong subtract(UnsignedLong val)
val. If the result would be negative,
returns the low 64 bits of the result.
public UnsignedLong multiply(UnsignedLong val)
val. If the result would have more than 64
bits, returns the low 64 bits of the result.
public UnsignedLong divide(UnsignedLong val)
val.
public UnsignedLong remainder(UnsignedLong val)
val.
public int intValue()
UnsignedLong as an int.
intValue in class Numberpublic long longValue()
UnsignedLong as a long. This is an inverse operation
to asUnsigned(long).
Note that if this UnsignedLong holds a value >= 2^63, the returned value
will be equal to this - 2^64.
longValue in class Numberpublic float floatValue()
UnsignedLong as a float, analogous to a widening
primitive conversion from long to float, and correctly rounded.
floatValue in class Numberpublic double doubleValue()
UnsignedLong as a double, analogous to a widening
primitive conversion from long to double, and correctly rounded.
doubleValue in class Numberpublic BigInteger bigIntegerValue()
UnsignedLong as a BigInteger.
public int compareTo(UnsignedLong o)
compareTo in interface Comparable<UnsignedLong>public int hashCode()
hashCode in class Object
public boolean equals(@Nullable
Object obj)
equals in class Objectpublic String toString()
UnsignedLong value, in base 10.
toString in class Objectpublic String toString(int radix)
UnsignedLong value, in base radix. If
radix < Character.MIN_RADIX or radix > Character.MAX_RADIX, the radix
10 is used.
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