org.h2.store

类 RangeReader

java.lang.Object

java.io.Reader

org.h2.store.RangeReader

所有已实现的接口:

Closeable, AutoCloseable, Readable

public final class RangeReader
extends Reader

Reader that reads only a specified range from the source reader.

字段概要

从类继承的字段 java.io.Reader

lock

构造器概要

构造器

构造器和说明
RangeReader(Reader r, long offset, long limit) Creates new instance of range reader.

方法概要

限定符和类型	方法和说明
void	close()
void	mark(int readAheadLimit)
boolean	markSupported()
int	read()
int	read(char[] cbuf, int off, int len)
boolean	ready()
void	reset()
long	skip(long n)

从类继承的方法 java.io.Reader

read, read

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

RangeReader

public RangeReader(Reader r,
                   long offset,
                   long limit)
            throws IOException

Creates new instance of range reader.

参数:

r - source reader

offset - offset of the range

limit - length of the range

抛出:

IOException - on I/O exception during seeking to the specified offset

方法详细资料

read

public int read()
         throws IOException

覆盖:

read 在类中 Reader

抛出:

IOException

read

public int read(char[] cbuf,
                int off,
                int len)
         throws IOException

指定者:

read 在类中 Reader

抛出:

IOException

skip

public long skip(long n)
          throws IOException

覆盖:

skip 在类中 Reader

抛出:

IOException

ready

public boolean ready()
              throws IOException

覆盖:

ready 在类中 Reader

抛出:

IOException

markSupported

public boolean markSupported()

覆盖:

markSupported 在类中 Reader

mark

public void mark(int readAheadLimit)
          throws IOException

覆盖:

mark 在类中 Reader

抛出:

IOException

reset

public void reset()
           throws IOException

覆盖:

reset 在类中 Reader

抛出:

IOException

close

public void close()
           throws IOException

指定者:

close 在接口中 Closeable

指定者:

close 在接口中 AutoCloseable

指定者:

close 在类中 Reader

抛出:

IOException