public class CsvStream extends TupleStream implements Expressible
TupleStream.IgnoreExceptionMapWriter.EntryWriter| 限定符和类型 | 字段和说明 |
|---|---|
protected TupleStream |
originalStream |
| 构造器和说明 |
|---|
CsvStream(StreamExpression expression,
StreamFactory factory) |
| 限定符和类型 | 方法和说明 |
|---|---|
List<TupleStream> |
children() |
void |
close() |
int |
getCost() |
StreamComparator |
getStreamSort()
Return the stream sort - ie, the order in which records are returned
|
void |
open() |
Tuple |
read() |
void |
setStreamContext(StreamContext context) |
protected String[] |
split(String line) |
Explanation |
toExplanation(StreamFactory factory)
Returns an explanation about the stream object
|
StreamExpression |
toExpression(StreamFactory factory) |
getShards, getShards, getStreamNodeId, writeMapclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait_forEachEntry, _forEachEntry, _forEachEntry, _get, _get, _getStr, _getStr, _sizeprotected TupleStream originalStream
public CsvStream(StreamExpression expression, StreamFactory factory) throws IOException
IOExceptionpublic StreamExpression toExpression(StreamFactory factory) throws IOException
toExpression 在接口中 ExpressibleIOExceptionpublic Explanation toExplanation(StreamFactory factory) throws IOException
ExpressibletoExplanation 在接口中 ExpressibletoExplanation 在类中 TupleStreamfactory - Stream factory for this, contains information about the function nameIOException - throw on any errorpublic void setStreamContext(StreamContext context)
setStreamContext 在类中 TupleStreampublic List<TupleStream> children()
children 在类中 TupleStreampublic void open()
throws IOException
open 在类中 TupleStreamIOExceptionpublic void close()
throws IOException
close 在接口中 Closeableclose 在接口中 AutoCloseableclose 在类中 TupleStreamIOExceptionpublic Tuple read() throws IOException
read 在类中 TupleStreamIOExceptionpublic StreamComparator getStreamSort()
getStreamSort 在类中 TupleStreampublic int getCost()
getCost 在类中 TupleStreamCopyright © 2006–2022 The Apache Software Foundation. All rights reserved.