Package org.apache.flink.runtime.state.changelog

Class SequenceNumberRange.GenericSequenceNumberRange

java.lang.Object

org.apache.flink.runtime.state.changelog.SequenceNumberRange.GenericSequenceNumberRange

All Implemented Interfaces:

SequenceNumberRange

Enclosing interface:

SequenceNumberRange

public static class SequenceNumberRange.GenericSequenceNumberRange
extends Object
implements SequenceNumberRange

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.runtime.state.changelog.SequenceNumberRange

SequenceNumberRange.GenericSequenceNumberRange

Constructor Summary

Constructors

Constructor	Description
GenericSequenceNumberRange(SequenceNumber.GenericSequenceNumber from, SequenceNumber.GenericSequenceNumber to)

Method Summary

Modifier and Type	Method	Description
boolean	contains(SequenceNumber sqn)
SequenceNumber	from()	Inclusive.
boolean	isEmpty()
long	size()
SequenceNumber	to()	Exclusive.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

GenericSequenceNumberRange

public GenericSequenceNumberRange(SequenceNumber.GenericSequenceNumber from,
 SequenceNumber.GenericSequenceNumber to)

Method Details

from

public SequenceNumber from()

Description copied from interface: SequenceNumberRange

Inclusive.

Specified by:

from in interface SequenceNumberRange

to

public SequenceNumber to()

Description copied from interface: SequenceNumberRange

Exclusive.

Specified by:

to in interface SequenceNumberRange

size

public long size()

Specified by:

size in interface SequenceNumberRange

Returns:

the size of this range (positive) or zero if it is empty

contains

public boolean contains(SequenceNumber sqn)

Specified by:

contains in interface SequenceNumberRange

Returns:

true if SequenceNumberRange.from() ≤ sqn < SequenceNumberRange.to() (this implies that the range is not empty, i.e. to > from)

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface SequenceNumberRange

Returns:

true if SequenceNumberRange.from() ≥ SequenceNumberRange.to(), false otherwise.

toString

public String toString()

Overrides:

toString in class Object