ucar.unidata.io
Class InMemoryRandomAccessFile

java.lang.Object
  ucar.unidata.io.RandomAccessFile
      ucar.unidata.io.InMemoryRandomAccessFile

All Implemented Interfaces:

DataInput, DataOutput

public class InMemoryRandomAccessFile
extends RandomAccessFile

A RandomAccessFile stored entirely in memory as a byte array.

Author:

john

Field Summary

Fields inherited from class ucar.unidata.io.RandomAccessFile

allFiles, BIG_ENDIAN, bigEndian, buffer, bufferStart, dataEnd, dataSize, debugAccess, debugLeaks, defaultBufferSize, endOfFile, file, fileChannel, filePosition, LITTLE_ENDIAN, location, openFiles, readonly, showOpen, showRead

Constructor Summary

InMemoryRandomAccessFile(String name, byte[] data)
A RandomAccessFile stored entirely in memory as a byte array.

Method Summary

long	length()
protected int	read_(long pos, byte[] b, int offset, int len)
long	readToByteChannel(WritableByteChannel dest, long offset, long nbytes)
void	setBufferSize(int bufferSize)

Methods inherited from class ucar.unidata.io.RandomAccessFile

close, flush, getAllFiles, getBufferSize, getDebugLeaks, getDebugNbytes, getDebugNseeks, getFD, getFilePointer, getLocation, getOpenFiles, getRandomAccessFile, isAtEndOfFile, order, read, read, read, readBoolean, readBuffer, readByte, readBytes, readBytes, readChar, readDouble, readDouble, readFloat, readFloat, readFully, readFully, readInt, readInt, readIntUnbuffered, readLine, readLong, readLong, readShort, readShort, readString, readUnsignedByte, readUnsignedShort, readUTF, searchForward, seek, setDebugAccess, setDebugLeaks, setExtendMode, setMinLength, skipBytes, toString, unread, write, write, write, writeBoolean, writeBoolean, writeByte, writeBytes, writeBytes, writeBytes, writeChar, writeChar, writeChars, writeDouble, writeDouble, writeFloat, writeFloat, writeInt, writeInt, writeLong, writeLong, writeShort, writeShort, writeUTF

Methods inherited from class java.lang.Object

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

Constructor Detail

InMemoryRandomAccessFile

public InMemoryRandomAccessFile(String name,
                                byte[] data)

A RandomAccessFile stored entirely in memory as a byte array.

Parameters:

name - used as the location

data - the complete data file

Method Detail

length

public long length()

Overrides:

length in class RandomAccessFile

setBufferSize

public void setBufferSize(int bufferSize)

Overrides:

setBufferSize in class RandomAccessFile

read_

protected int read_(long pos,
                    byte[] b,
                    int offset,
                    int len)
             throws IOException

Overrides:

read_ in class RandomAccessFile

Throws:

IOException

readToByteChannel

public long readToByteChannel(WritableByteChannel dest,
                              long offset,
                              long nbytes)
                       throws IOException

Overrides:

readToByteChannel in class RandomAccessFile

Throws:

IOException