org.apache.cassandra.io.util
Class MemoryInputStream

java.lang.Object
  java.io.InputStream
      org.apache.cassandra.io.util.AbstractDataInput
          org.apache.cassandra.io.util.MemoryInputStream

All Implemented Interfaces:

java.io.Closeable, java.io.DataInput

public class MemoryInputStream
extends AbstractDataInput

Constructor Summary

MemoryInputStream(FreeableMemory mem)

Method Summary

void	close()
protected int	getPosition()
int	read()
void	readFully(byte[] buffer, int offset, int count) Read bytes from this file into buffer starting at offset offset.
protected void	seekInternal(int pos)
int	skipBytes(int n)

Methods inherited from class org.apache.cassandra.io.util.AbstractDataInput

readBoolean, readByte, readChar, readDouble, readFloat, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF

Methods inherited from class java.io.InputStream

available, mark, markSupported, read, read, reset, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryInputStream

public MemoryInputStream(FreeableMemory mem)

Method Detail

read

public int read()
         throws java.io.IOException

Specified by:

read in class java.io.InputStream

Throws:

java.io.IOException

readFully

public void readFully(byte[] buffer,
                      int offset,
                      int count)
               throws java.io.IOException

Description copied from class: AbstractDataInput

Read bytes from this file into buffer starting at offset offset. This method blocks until count number of bytes have been read.

Specified by:

readFully in interface java.io.DataInput

Overrides:

readFully in class AbstractDataInput

Parameters:

buffer - the buffer to read bytes into.

offset - the initial position in buffer to store the bytes read from this file.

count - the maximum number of bytes to store in buffer.

Throws:

java.io.EOFException - if the end of this file is detected.

java.io.IOException - if this file is closed or another I/O error occurs.

seekInternal

protected void seekInternal(int pos)

Specified by:

seekInternal in class AbstractDataInput

getPosition

protected int getPosition()

Specified by:

getPosition in class AbstractDataInput

skipBytes

public int skipBytes(int n)
              throws java.io.IOException

Throws:

java.io.IOException

close

public void close()

Specified by:

close in interface java.io.Closeable

Overrides:

close in class java.io.InputStream