org.apache.flink.state.changelog

类 ChangelogKeyGroupedPriorityQueue<T>

java.lang.Object

org.apache.flink.state.changelog.ChangelogKeyGroupedPriorityQueue<T>

所有已实现的接口:

org.apache.flink.runtime.state.InternalPriorityQueue<T>, org.apache.flink.runtime.state.KeyGroupedInternalPriorityQueue<T>, ChangelogState

public class ChangelogKeyGroupedPriorityQueue<T>
extends Object
implements org.apache.flink.runtime.state.KeyGroupedInternalPriorityQueue<T>, ChangelogState

A KeyGroupedInternalPriorityQueue that keeps state on the underlying delegated KeyGroupedInternalPriorityQueue as well as on the state change log.

构造器概要

构造器

构造器和说明
ChangelogKeyGroupedPriorityQueue(org.apache.flink.runtime.state.KeyGroupedInternalPriorityQueue<T> delegatedPriorityQueue, StateChangeLogger<T,Void> logger, org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer)

方法概要

限定符和类型	方法和说明
boolean	add(T toAdd)
void	addAll(Collection<? extends T> toAdd)
StateChangeApplier	getChangeApplier(ChangelogApplierFactory factory)
StateChangeLogger<T,Void>	getStateChangeLogger()
Set<T>	getSubsetForKeyGroup(int keyGroupId)
boolean	isEmpty()
org.apache.flink.util.CloseableIterator<T>	iterator()
T	peek()
T	poll()
boolean	remove(T toRemove)
void	resetWritingMetaFlag() Enable logging meta data before next writes.
<IS> void	setDelegatedState(IS state)
int	size()

从类继承的方法 java.lang.Object

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

构造器详细资料

ChangelogKeyGroupedPriorityQueue

public ChangelogKeyGroupedPriorityQueue(org.apache.flink.runtime.state.KeyGroupedInternalPriorityQueue<T> delegatedPriorityQueue,
                                        StateChangeLogger<T,Void> logger,
                                        org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer)

方法详细资料

getSubsetForKeyGroup

public Set<T> getSubsetForKeyGroup(int keyGroupId)

指定者:

getSubsetForKeyGroup 在接口中 org.apache.flink.runtime.state.KeyGroupedInternalPriorityQueue<T>

poll

@Nullable
public T poll()

指定者:

poll 在接口中 org.apache.flink.runtime.state.InternalPriorityQueue<T>

peek

@Nullable
public T peek()

指定者:

peek 在接口中 org.apache.flink.runtime.state.InternalPriorityQueue<T>

add

public boolean add(T toAdd)

指定者:

add 在接口中 org.apache.flink.runtime.state.InternalPriorityQueue<T>

remove

public boolean remove(T toRemove)

指定者:

remove 在接口中 org.apache.flink.runtime.state.InternalPriorityQueue<T>

isEmpty

public boolean isEmpty()

指定者:

isEmpty 在接口中 org.apache.flink.runtime.state.InternalPriorityQueue<T>

size

public int size()

指定者:

size 在接口中 org.apache.flink.runtime.state.InternalPriorityQueue<T>

addAll

public void addAll(@Nullable
                   Collection<? extends T> toAdd)

指定者:

addAll 在接口中 org.apache.flink.runtime.state.InternalPriorityQueue<T>

iterator

@Nonnull
public org.apache.flink.util.CloseableIterator<T> iterator()

指定者:

iterator 在接口中 org.apache.flink.runtime.state.InternalPriorityQueue<T>

getChangeApplier

public StateChangeApplier getChangeApplier(ChangelogApplierFactory factory)

指定者:

getChangeApplier 在接口中 ChangelogState

setDelegatedState

public <IS> void setDelegatedState(IS state)

指定者:

setDelegatedState 在接口中 ChangelogState

getStateChangeLogger

public StateChangeLogger<T,Void> getStateChangeLogger()

resetWritingMetaFlag

public void resetWritingMetaFlag()

从接口复制的说明: ChangelogState

Enable logging meta data before next writes.

指定者:

resetWritingMetaFlag 在接口中 ChangelogState