org.apache.iotdb.hadoop.fileSystem

类 HDFSOutput

java.lang.Object

org.apache.iotdb.hadoop.fileSystem.HDFSOutput

所有已实现的接口:

TsFileOutput

public class HDFSOutput
extends Object
implements TsFileOutput

This class is used to wrap the FSDataOutputStream and implement the interface TsFileOutput

构造器概要

构造器

构造器和说明
HDFSOutput(org.apache.hadoop.fs.Path path, org.apache.hadoop.conf.Configuration configuration, boolean overwrite)
HDFSOutput(String filePath, boolean overwrite)
HDFSOutput(String filePath, org.apache.hadoop.conf.Configuration configuration, boolean overwrite)

方法概要

限定符和类型	方法和说明
void	close()
void	flush()
long	getPosition()
void	truncate(long size)
OutputStream	wrapAsStream()
void	write(byte b)
void	write(byte[] b)
void	write(ByteBuffer b)

从类继承的方法 java.lang.Object

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

构造器详细资料

HDFSOutput

public HDFSOutput(String filePath,
                  boolean overwrite)
           throws IOException

抛出:

IOException

HDFSOutput

public HDFSOutput(String filePath,
                  org.apache.hadoop.conf.Configuration configuration,
                  boolean overwrite)
           throws IOException

抛出:

IOException

HDFSOutput

public HDFSOutput(org.apache.hadoop.fs.Path path,
                  org.apache.hadoop.conf.Configuration configuration,
                  boolean overwrite)
           throws IOException

抛出:

IOException

方法详细资料

write

public void write(byte[] b)
           throws IOException

指定者:

write 在接口中 TsFileOutput

抛出:

IOException

write

public void write(byte b)
           throws IOException

指定者:

write 在接口中 TsFileOutput

抛出:

IOException

write

public void write(ByteBuffer b)

指定者:

write 在接口中 TsFileOutput

getPosition

public long getPosition()
                 throws IOException

指定者:

getPosition 在接口中 TsFileOutput

抛出:

IOException

close

public void close()
           throws IOException

指定者:

close 在接口中 TsFileOutput

抛出:

IOException

wrapAsStream

public OutputStream wrapAsStream()

指定者:

wrapAsStream 在接口中 TsFileOutput

flush

public void flush()
           throws IOException

指定者:

flush 在接口中 TsFileOutput

抛出:

IOException

truncate

public void truncate(long size)
              throws IOException

指定者:

truncate 在接口中 TsFileOutput

抛出:

IOException