org.apache.paimon.reader

类 EmptyRecordReader<T>

java.lang.Object

org.apache.paimon.reader.EmptyRecordReader<T>

所有已实现的接口:

Closeable, AutoCloseable, RecordReader<T>

public class EmptyRecordReader<T>
extends Object
implements RecordReader<T>

An empty RecordReader.

嵌套类概要

从接口继承的嵌套类/接口 org.apache.paimon.reader.RecordReader

RecordReader.RecordIterator<T>

构造器概要

构造器

构造器和说明
EmptyRecordReader()

方法概要

限定符和类型	方法和说明
void	close() Closes the reader and should release all resources.
RecordReader.RecordIterator<T>	readBatch() Reads one batch.

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.paimon.reader.RecordReader

filter, forEachRemaining, forEachRemainingWithPosition, toCloseableIterator, transform

构造器详细资料

EmptyRecordReader

public EmptyRecordReader()

方法详细资料

readBatch

@Nullable
public RecordReader.RecordIterator<T> readBatch()
                                                   throws IOException

从接口复制的说明: RecordReader

Reads one batch. The method should return null when reaching the end of the input.

The returned iterator object and any contained objects may be held onto by the source for some time, so it should not be immediately reused by the reader.

指定者:

readBatch 在接口中 RecordReader<T>

抛出:

IOException

close

public void close()
           throws IOException

从接口复制的说明: RecordReader

Closes the reader and should release all resources.

指定者:

close 在接口中 Closeable

指定者:

close 在接口中 AutoCloseable

指定者:

close 在接口中 RecordReader<T>

抛出:

IOException