接口的使用
org.apache.flink.runtime.state.changelog.SequenceNumber

使用SequenceNumber的程序包

程序包	说明
org.apache.flink.runtime.state.changelog
org.apache.flink.runtime.state.changelog.inmemory

org.apache.flink.runtime.state.changelog中SequenceNumber的使用

实现SequenceNumber的org.apache.flink.runtime.state.changelog中的类

限定符和类型	类和说明
static class	SequenceNumber.GenericSequenceNumber Generic SequenceNumber.

返回SequenceNumber的org.apache.flink.runtime.state.changelog中的方法

限定符和类型	方法和说明
SequenceNumber	SequenceNumberRange.from() Inclusive.
SequenceNumber	SequenceNumberRange.GenericSequenceNumberRange.from()
SequenceNumber	StateChangelogWriter.initialSequenceNumber() Get the initial SequenceNumber that is used for the first element.
SequenceNumber	SequenceNumber.next()
SequenceNumber	SequenceNumber.GenericSequenceNumber.next()
SequenceNumber	StateChangelogWriter.nextSequenceNumber() Get SequenceNumber to be used for the next element added by append.
static SequenceNumber	SequenceNumber.of(long number)
SequenceNumber	SequenceNumberRange.to() Exclusive.
SequenceNumber	SequenceNumberRange.GenericSequenceNumberRange.to()

参数类型为SequenceNumber的org.apache.flink.runtime.state.changelog中的方法

限定符和类型	方法和说明
int	SequenceNumber.GenericSequenceNumber.compareTo(SequenceNumber o)
void	StateChangelogWriter.confirm(SequenceNumber from, SequenceNumber to, long checkpointId) Mark the given state changes as confirmed by the JM.
boolean	SequenceNumberRange.contains(SequenceNumber sqn)
boolean	SequenceNumberRange.GenericSequenceNumberRange.contains(SequenceNumber sqn)
static SequenceNumberRange	SequenceNumberRange.generic(SequenceNumber from, SequenceNumber to)
CompletableFuture<SnapshotResult<Handle>>	StateChangelogWriter.persist(SequenceNumber from) Durably persist previously appended data starting from the provided SequenceNumber and up to the latest change added.
void	StateChangelogWriter.reset(SequenceNumber from, SequenceNumber to, long checkpointId) Reset the state the given state changes.
void	StateChangelogWriter.truncate(SequenceNumber to) Truncate this state changelog to free up the resources and collect any garbage.
void	StateChangelogWriter.truncateAndClose(SequenceNumber from) Truncate the tail of log and close it.

org.apache.flink.runtime.state.changelog.inmemory中SequenceNumber的使用

参数类型为SequenceNumber的org.apache.flink.runtime.state.changelog.inmemory中的方法

限定符和类型	方法和说明
static InMemoryChangelogStateHandle	InMemoryChangelogStateHandle.restore(List<StateChange> changes, SequenceNumber from, SequenceNumber to, KeyGroupRange keyGroupRange, StateHandleID stateHandleId)

参数类型为SequenceNumber的org.apache.flink.runtime.state.changelog.inmemory中的构造器

构造器和说明
InMemoryChangelogStateHandle(List<StateChange> changes, SequenceNumber from, SequenceNumber to, KeyGroupRange keyGroupRange)