Package com.qfs.util

Class IRangeUnion.Range

java.lang.Object

com.qfs.util.IRangeUnion.Range

Direct Known Subclasses:

MultiVersionDistributedAxisMember.DistributedRange

Enclosing interface:

IRangeUnion

public static class IRangeUnion.Range
extends Object

Definition of a range [a, b], with both ends a and b included in the range.

Field Summary

Fields

Modifier and Type	Field	Description
long	from	Beginning of the range (inclusive).
long	to	End of the range (inclusive).

Constructor Summary

Constructors

Constructor	Description
Range(long from, long to)	Constructor.

Method Summary

Modifier and Type	Method	Description
boolean	contain(long x)
boolean	equals(Object obj)
long	from()	Gets the defined "from" bound (inclusive).
int	hashCode()
boolean	isDisjoint(IRangeUnion.Range other)	Test if this range is of intersection null with another range.
boolean	isIncludedIn(IRangeUnion.Range other)	Test if this range is included into another range.
IRangeUnion.Range	reverse()	Create a new IRangeUnion.Range which from value is equal to this.to and to value is equal to this.from.
long	to()	Gets the defined "to" bound (inclusive).
String	toString()
IRangeUnion.Range	translate(int dv)	Create a new IRangeUnion.Range which from value is equal to this.from + dv and to value is equal to this.to + dv.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Detail

from

public final long from

Beginning of the range (inclusive).

to

public final long to

End of the range (inclusive).

Constructor Detail

Range

public Range(long from,
             long to)

Constructor.

Parameters:

from - beginning of the range (inclusive)

to - end of the range (inclusive)

Method Detail

from

public long from()

Gets the defined "from" bound (inclusive).

Returns:

the lower bound

to

public long to()

Gets the defined "to" bound (inclusive).

Returns:

the upper bound

reverse

public IRangeUnion.Range reverse()

Create a new IRangeUnion.Range which from value is equal to this.to and to value is equal to this.from.

Returns:

the new reversed IRangeUnion.Range

translate

public IRangeUnion.Range translate(int dv)

Create a new IRangeUnion.Range which from value is equal to this.from + dv and to value is equal to this.to + dv.

Parameters:

dv - the translation amount

Returns:

the new translated IRangeUnion.Range

isIncludedIn

public boolean isIncludedIn(IRangeUnion.Range other)

Test if this range is included into another range. Expects from to be lower than to on this range and the other range.

Parameters:

other - the other range that might include this range.

Returns:

true if this range is included in the other range.

isDisjoint

public boolean isDisjoint(IRangeUnion.Range other)

Test if this range is of intersection null with another range.

Parameters:

other - other range to compare to this

Returns:

true if the range are disjoint, false otherwise

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

contain

public boolean contain(long x)

equals

public boolean equals(Object obj)

Overrides:

equals in class Object