程序包 org.apache.flink.iteration.proxy.state

类 ProxyOperatorStateBackend

java.lang.Object

org.apache.flink.iteration.proxy.state.ProxyOperatorStateBackend

所有已实现的接口:

Closeable, AutoCloseable, org.apache.flink.api.common.state.OperatorStateStore, org.apache.flink.runtime.state.OperatorStateBackend, org.apache.flink.runtime.state.Snapshotable<org.apache.flink.runtime.state.SnapshotResult<org.apache.flink.runtime.state.OperatorStateHandle>>, org.apache.flink.util.Disposable

public class ProxyOperatorStateBackend
extends Object
implements org.apache.flink.runtime.state.OperatorStateBackend

Proxy OperatorStateBackend for the wrapped Operator.

构造器概要

构造器

构造器	说明
ProxyOperatorStateBackend(org.apache.flink.runtime.state.OperatorStateBackend wrappedBackend, StateNamePrefix stateNamePrefix)

方法概要

修饰符和类型	方法	说明
void	close()
void	dispose()
<K,V> org.apache.flink.api.common.state.BroadcastState<K,V>	getBroadcastState(org.apache.flink.api.common.state.MapStateDescriptor<K,V> stateDescriptor)
<S> org.apache.flink.api.common.state.ListState<S>	getListState(org.apache.flink.api.common.state.ListStateDescriptor<S> stateDescriptor)
Set<String>	getRegisteredBroadcastStateNames()
Set<String>	getRegisteredStateNames()
<S> org.apache.flink.api.common.state.ListState<S>	getUnionListState(org.apache.flink.api.common.state.ListStateDescriptor<S> stateDescriptor)
RunnableFuture<org.apache.flink.runtime.state.SnapshotResult<org.apache.flink.runtime.state.OperatorStateHandle>>	snapshot(long checkpointId, long timestamp, org.apache.flink.runtime.state.CheckpointStreamFactory streamFactory, org.apache.flink.runtime.checkpoint.CheckpointOptions checkpointOptions)

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

ProxyOperatorStateBackend

public ProxyOperatorStateBackend(org.apache.flink.runtime.state.OperatorStateBackend wrappedBackend,
                                 StateNamePrefix stateNamePrefix)

方法详细资料

getBroadcastState

public <K,V> org.apache.flink.api.common.state.BroadcastState<K,V> getBroadcastState(org.apache.flink.api.common.state.MapStateDescriptor<K,V> stateDescriptor)
                                                                                          throws Exception

指定者:

getBroadcastState 在接口中 org.apache.flink.api.common.state.OperatorStateStore

抛出:

Exception

getListState

public <S> org.apache.flink.api.common.state.ListState<S> getListState(org.apache.flink.api.common.state.ListStateDescriptor<S> stateDescriptor)
                                                                throws Exception

指定者:

getListState 在接口中 org.apache.flink.api.common.state.OperatorStateStore

抛出:

Exception

getUnionListState

public <S> org.apache.flink.api.common.state.ListState<S> getUnionListState(org.apache.flink.api.common.state.ListStateDescriptor<S> stateDescriptor)
                                                                     throws Exception

指定者:

getUnionListState 在接口中 org.apache.flink.api.common.state.OperatorStateStore

抛出:

Exception

getRegisteredStateNames

public Set<String> getRegisteredStateNames()

指定者:

getRegisteredStateNames 在接口中 org.apache.flink.api.common.state.OperatorStateStore

getRegisteredBroadcastStateNames

public Set<String> getRegisteredBroadcastStateNames()

指定者:

getRegisteredBroadcastStateNames 在接口中 org.apache.flink.api.common.state.OperatorStateStore

dispose

public void dispose()

指定者:

dispose 在接口中 org.apache.flink.util.Disposable

指定者:

dispose 在接口中 org.apache.flink.runtime.state.OperatorStateBackend

close

public void close()
           throws IOException

指定者:

close 在接口中 AutoCloseable

指定者:

close 在接口中 Closeable

抛出:

IOException

snapshot

@Nonnull
public RunnableFuture<org.apache.flink.runtime.state.SnapshotResult<org.apache.flink.runtime.state.OperatorStateHandle>> snapshot(long checkpointId,
                                                                                                                                  long timestamp,
                                                                                                                                  @Nonnull
                                                                                                                                  org.apache.flink.runtime.state.CheckpointStreamFactory streamFactory,
                                                                                                                                  @Nonnull
                                                                                                                                  org.apache.flink.runtime.checkpoint.CheckpointOptions checkpointOptions)
                                                                                                                           throws Exception

指定者:

snapshot 在接口中 org.apache.flink.runtime.state.Snapshotable<org.apache.flink.runtime.state.SnapshotResult<org.apache.flink.runtime.state.OperatorStateHandle>>

抛出:

Exception