org.apache.flink.api.java.io

类 CollectionInputFormat<T>

java.lang.Object

org.apache.flink.api.common.io.RichInputFormat<OT,org.apache.flink.core.io.GenericInputSplit>

org.apache.flink.api.common.io.GenericInputFormat<T>

org.apache.flink.api.java.io.CollectionInputFormat<T>

所有已实现的接口:

Serializable, org.apache.flink.api.common.io.InputFormat<T,org.apache.flink.core.io.GenericInputSplit>, org.apache.flink.api.common.io.NonParallelInput, org.apache.flink.core.io.InputSplitSource<org.apache.flink.core.io.GenericInputSplit>

@PublicEvolving
public class CollectionInputFormat<T>
extends org.apache.flink.api.common.io.GenericInputFormat<T>
implements org.apache.flink.api.common.io.NonParallelInput

An input format that returns objects from a collection.

另请参阅:

序列化表格

字段概要

从类继承的字段 org.apache.flink.api.common.io.GenericInputFormat

partitionNumber

构造器概要

构造器

构造器和说明
CollectionInputFormat(Collection<T> dataSet, org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer)

方法概要

限定符和类型	方法和说明
static <X> void	checkCollection(Collection<X> elements, Class<X> viewedAs)
T	nextRecord(T record)
void	open(org.apache.flink.core.io.GenericInputSplit split)
boolean	reachedEnd()
String	toString()

从类继承的方法 org.apache.flink.api.common.io.GenericInputFormat

close, configure, createInputSplits, getInputSplitAssigner, getStatistics

从类继承的方法 org.apache.flink.api.common.io.RichInputFormat

closeInputFormat, getRuntimeContext, openInputFormat, setRuntimeContext

从类继承的方法 java.lang.Object

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

构造器详细资料

CollectionInputFormat

public CollectionInputFormat(Collection<T> dataSet,
                             org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer)

方法详细资料

reachedEnd

public boolean reachedEnd()
                   throws IOException

指定者:

reachedEnd 在接口中 org.apache.flink.api.common.io.InputFormat<T,org.apache.flink.core.io.GenericInputSplit>

抛出:

IOException

open

public void open(org.apache.flink.core.io.GenericInputSplit split)
          throws IOException

指定者:

open 在接口中 org.apache.flink.api.common.io.InputFormat<T,org.apache.flink.core.io.GenericInputSplit>

覆盖:

open 在类中 org.apache.flink.api.common.io.GenericInputFormat<T>

抛出:

IOException

nextRecord

public T nextRecord(T record)
             throws IOException

指定者:

nextRecord 在接口中 org.apache.flink.api.common.io.InputFormat<T,org.apache.flink.core.io.GenericInputSplit>

抛出:

IOException

toString

public String toString()

覆盖:

toString 在类中 Object

checkCollection

public static <X> void checkCollection(Collection<X> elements,
                                       Class<X> viewedAs)