Package org.apache.flink.state.forst

Class ForStDBMapKeyIterRequest<K,N,UK,UV>

java.lang.Object

org.apache.flink.state.forst.ForStDBIterRequest<K,N,UK,UV,UK>

org.apache.flink.state.forst.ForStDBMapKeyIterRequest<K,N,UK,UV>

All Implemented Interfaces:

Closeable, AutoCloseable

public class ForStDBMapKeyIterRequest<K,N,UK,UV>
extends ForStDBIterRequest<K,N,UK,UV,UK>

The ForSt ForStDBIterRequest which returns the keys of a ForStMapState.

Constructor Summary

Constructors

Constructor	Description
ForStDBMapKeyIterRequest(ContextKey<K,N> contextKey, ForStMapState<K,N,UK,UV> table, org.apache.flink.runtime.asyncprocessing.StateRequestHandler stateRequestHandler, org.forstdb.RocksIterator rocksIterator, org.apache.flink.core.state.InternalStateFuture<org.apache.flink.api.common.state.v2.StateIterator<UK>> future)

Method Summary

Modifier and Type	Method	Description
void	buildIteratorAndCompleteFuture(Collection<UK> partialResult, boolean encounterEnd)
void	completeStateFutureExceptionally(String message, Throwable ex)
Collection<UK>	deserializeElement(List<org.apache.flink.state.forst.ForStDBIterRequest.RawEntry> entries, int userKeyOffset)

Methods inherited from class org.apache.flink.state.forst.ForStDBIterRequest

close, deserializeUserKey, deserializeUserValue, getKeyPrefixBytes, process, startWithKeyPrefix

Methods inherited from class java.lang.Object

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

Constructor Detail

ForStDBMapKeyIterRequest

public ForStDBMapKeyIterRequest(ContextKey<K,N> contextKey,
                                ForStMapState<K,N,UK,UV> table,
                                org.apache.flink.runtime.asyncprocessing.StateRequestHandler stateRequestHandler,
                                @Nullable
                                org.forstdb.RocksIterator rocksIterator,
                                org.apache.flink.core.state.InternalStateFuture<org.apache.flink.api.common.state.v2.StateIterator<UK>> future)

Method Detail

completeStateFutureExceptionally

public void completeStateFutureExceptionally(String message,
                                             Throwable ex)

Specified by:

completeStateFutureExceptionally in class ForStDBIterRequest<K,N,UK,UV,UK>

deserializeElement

public Collection<UK> deserializeElement(List<org.apache.flink.state.forst.ForStDBIterRequest.RawEntry> entries,
                                         int userKeyOffset)
                                  throws IOException

Specified by:

deserializeElement in class ForStDBIterRequest<K,N,UK,UV,UK>

Throws:

IOException

buildIteratorAndCompleteFuture

public void buildIteratorAndCompleteFuture(Collection<UK> partialResult,
                                           boolean encounterEnd)

Specified by:

buildIteratorAndCompleteFuture in class ForStDBIterRequest<K,N,UK,UV,UK>