org.apache.kafka.timeline

Class TimelineHashSet<T>

java.lang.Object

org.apache.kafka.timeline.TimelineHashSet<T>

Type Parameters:

T - The value type of the set.

All Implemented Interfaces:

Iterable<T>, Collection<T>, Set<T>

public class TimelineHashSet<T>
extends Object
implements Set<T>

This is a hash set which can be snapshotted. See for more details about the implementation. This class requires external synchronization. Null values are not supported.

Constructor Summary

Constructors

Constructor and Description
TimelineHashSet(SnapshotRegistry snapshotRegistry, int expectedSize)

Method Summary

Modifier and Type	Method and Description
boolean	add(T newValue)
boolean	addAll(Collection<? extends T> collection)
void	clear()
boolean	contains(Object key)
boolean	contains(Object object, long epoch)
boolean	containsAll(Collection<?> collection)
boolean	equals(Object o)
void	executeRevert(long targetEpoch, org.apache.kafka.timeline.Delta delta) Revert to the target epoch.
int	hashCode()
boolean	isEmpty()
boolean	isEmpty(long epoch)
Iterator<T>	iterator()
Iterator<T>	iterator(long epoch)
boolean	remove(Object value)
boolean	removeAll(Collection<?> collection)
void	reset() Reverts to the initial value.
boolean	retainAll(Collection<?> collection)
int	size()
int	size(long epoch)
Object[]	toArray()
<R> R[]	toArray(R[] a)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Set

spliterator

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Constructor Detail

TimelineHashSet

public TimelineHashSet(SnapshotRegistry snapshotRegistry,
                       int expectedSize)

Method Detail

size

public int size()

Specified by:

size in interface Collection<T>

Specified by:

size in interface Set<T>

size

public int size(long epoch)

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<T>

Specified by:

isEmpty in interface Set<T>

isEmpty

public boolean isEmpty(long epoch)

contains

public boolean contains(Object key)

Specified by:

contains in interface Collection<T>

Specified by:

contains in interface Set<T>

contains

public boolean contains(Object object,
                        long epoch)

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Iterable<T>

Specified by:

iterator in interface Collection<T>

Specified by:

iterator in interface Set<T>

iterator

public Iterator<T> iterator(long epoch)

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<T>

Specified by:

toArray in interface Set<T>

toArray

public <R> R[] toArray(R[] a)

Specified by:

toArray in interface Collection<T>

Specified by:

toArray in interface Set<T>

add

public boolean add(T newValue)

Specified by:

add in interface Collection<T>

Specified by:

add in interface Set<T>

remove

public boolean remove(Object value)

Specified by:

remove in interface Collection<T>

Specified by:

remove in interface Set<T>

containsAll

public boolean containsAll(Collection<?> collection)

Specified by:

containsAll in interface Collection<T>

Specified by:

containsAll in interface Set<T>

addAll

public boolean addAll(Collection<? extends T> collection)

Specified by:

addAll in interface Collection<T>

Specified by:

addAll in interface Set<T>

retainAll

public boolean retainAll(Collection<?> collection)

Specified by:

retainAll in interface Collection<T>

Specified by:

retainAll in interface Set<T>

removeAll

public boolean removeAll(Collection<?> collection)

Specified by:

removeAll in interface Collection<T>

Specified by:

removeAll in interface Set<T>

clear

public void clear()

Specified by:

clear in interface Collection<T>

Specified by:

clear in interface Set<T>

hashCode

public int hashCode()

Specified by:

hashCode in interface Collection<T>

Specified by:

hashCode in interface Set<T>

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Specified by:

equals in interface Collection<T>

Specified by:

equals in interface Set<T>

Overrides:

equals in class Object

executeRevert

public void executeRevert(long targetEpoch,
                          org.apache.kafka.timeline.Delta delta)

Revert to the target epoch.

Parameters:

targetEpoch - The epoch to revert to.

delta - The delta associated with this epoch for this object.

reset

public void reset()

Reverts to the initial value.