org.apache.flink.streaming.api.operators.collect

类 CollectResultIterator<T>

java.lang.Object

org.apache.flink.streaming.api.operators.collect.CollectResultIterator<T>

所有已实现的接口:

AutoCloseable, Iterator<T>, org.apache.flink.util.CloseableIterator<T>

public class CollectResultIterator<T>
extends Object
implements org.apache.flink.util.CloseableIterator<T>

An iterator which iterates through the results of a query job.

NOTE: After using this iterator, the close method MUST be called in order to release job related resources.

嵌套类概要

从接口继承的嵌套类/接口 org.apache.flink.util.CloseableIterator

org.apache.flink.util.CloseableIterator.IteratorAdapter<E>

字段概要

从接口继承的字段 org.apache.flink.util.CloseableIterator

EMPTY_INSTANCE

构造器概要

构造器

构造器和说明
CollectResultIterator(CompletableFuture<org.apache.flink.runtime.jobgraph.OperatorID> operatorIdFuture, org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer, String accumulatorName)
CollectResultIterator(CompletableFuture<org.apache.flink.runtime.jobgraph.OperatorID> operatorIdFuture, org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer, String accumulatorName, int retryMillis)

方法概要

限定符和类型	方法和说明
void	close()
boolean	hasNext()
T	next()
void	setJobClient(org.apache.flink.core.execution.JobClient jobClient)

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.util.CloseableIterator

adapterForIterator, adapterForIterator, empty, flatten, fromList, ofElement, ofElements

从接口继承的方法 java.util.Iterator

forEachRemaining, remove

构造器详细资料

CollectResultIterator

public CollectResultIterator(CompletableFuture<org.apache.flink.runtime.jobgraph.OperatorID> operatorIdFuture,
                             org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer,
                             String accumulatorName)

CollectResultIterator

@VisibleForTesting
public CollectResultIterator(CompletableFuture<org.apache.flink.runtime.jobgraph.OperatorID> operatorIdFuture,
                                                org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer,
                                                String accumulatorName,
                                                int retryMillis)

方法详细资料

hasNext

public boolean hasNext()

指定者:

hasNext 在接口中 Iterator<T>

next

public T next()

指定者:

next 在接口中 Iterator<T>

close

public void close()
           throws Exception

指定者:

close 在接口中 AutoCloseable

抛出:

Exception

setJobClient

public void setJobClient(org.apache.flink.core.execution.JobClient jobClient)