superwaba.ext.xplat.io
Class RecordPipe

java.lang.Object
  |
  +--waba.io.Stream
        |
        +--superwaba.ext.xplat.io.RecordPipe

public class RecordPipe

extends Stream

Used to make a Catalog act as a single Stream, reading all records in sequence. Note that it does not support writings.

Field Summary

protected Catalog	cat
protected int	endRec
protected boolean	isOpen
protected int	recordOffset
protected int	recSize

Constructor Summary

RecordPipe(Catalog cat, int startRec, int endRec, int recordOffset)

Method Summary

boolean	close() Closes the stream.
boolean	isOpen() Returns true if this Stream is open and false otherwise
int	readBytes(byte[] buf, int start, int count) Reads bytes from the stream.
int	writeBytes(byte[] buf, int start, int count) Writes bytes to the stream.

Methods inherited from class java.lang.Object

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

Field Detail

endRec

protected int endRec

cat

protected Catalog cat

recordOffset

protected int recordOffset

isOpen

protected boolean isOpen

recSize

protected int recSize

Constructor Detail

RecordPipe

public RecordPipe(Catalog cat,
                  int startRec,
                  int endRec,
                  int recordOffset)

Method Detail

isOpen

public boolean isOpen()

Description copied from class: Stream

Returns true if this Stream is open and false otherwise

Overrides:

isOpen in class Stream

close

public boolean close()

Description copied from class: Stream

Closes the stream. Returns true if the operation is successful and false otherwise.

Overrides:

close in class Stream

writeBytes

public int writeBytes(byte[] buf,
                      int start,
                      int count)

Description copied from class: Stream

Writes bytes to the stream. Returns the number of bytes actually written or -1 if an error prevented the write operation from occurring.

Overrides:

writeBytes in class Stream

Tags copied from class: Stream

Parameters:

buf - the byte array to write data from

start - the start position in the byte array

count - the number of bytes to write

readBytes

public int readBytes(byte[] buf,
                     int start,
                     int count)

Description copied from class: Stream

Reads bytes from the stream. Returns the number of bytes actually read or -1 if an error prevented the read operation from occurring.

Overrides:

readBytes in class Stream

Tags copied from class: Stream

Parameters:

buf - the byte array to read data into

start - the start position in the array

count - the number of bytes to read