org.hsqldb.rowio
Class RowInputBinary

java.lang.Object
  java.io.InputStream
      org.hsqldb.lib.HsqlByteArrayInputStream
          org.hsqldb.rowio.RowInputBase
              org.hsqldb.rowio.RowInputBinary

All Implemented Interfaces:

DataInput, RowInputInterface

public class RowInputBinary

extends RowInputBase

implements RowInputInterface

Provides methods for reading the data for a row from a byte array. The format of data is that used for storage of cached tables by v.1.6.x databases, apart from strings.

Since:

1.7.0

Version:

1.7.2

Author:

sqlbob@users (RMP), fredt@users

Field Summary

Fields inherited from class org.hsqldb.rowio.RowInputBase

filePos, makeSystemId, nextPos, size

Fields inherited from class org.hsqldb.lib.HsqlByteArrayInputStream

buf, count, mark, pos

Constructor Summary

RowInputBinary()

RowInputBinary(byte[] buf)

RowInputBinary(RowOutputBinary out)
uses the byte[] buffer from out.

Method Summary

protected boolean	checkNull()
protected Long	readBigint()
protected Binary	readBinary(int type)
protected Boolean	readBit()
protected byte[]	readByteArray()
protected String	readChar(int type)
protected Date	readDate()
protected BigDecimal	readDecimal()
int	readIntData()
protected Integer	readInteger()
protected Object	readOther()
protected Double	readReal(int type)
protected Integer	readSmallint()
String	readString()
protected Time	readTime()
protected Timestamp	readTimestamp()
int	readType()
void	resetRow(int rowsize) Used to reset the row, ready for Result data to be written into the byte[] buffer by an external routine.
void	resetRow(int filepos, int rowsize) Used to reset the row, ready for a new db row to be written into the byte[] buffer by an external routine.

Methods inherited from class org.hsqldb.rowio.RowInputBase

getBuffer, getNextPos, getPos, getSize, newRowInput, readData, readLine, setSystemId, skipBytes

Methods inherited from class org.hsqldb.lib.HsqlByteArrayInputStream

available, close, mark, markSupported, read, read, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, reset, skip

Methods inherited from class java.io.InputStream

read

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hsqldb.rowio.RowInputInterface

getBuffer, getNextPos, getPos, getSize, readData, setSystemId

Constructor Detail

RowInputBinary

public RowInputBinary()

RowInputBinary

public RowInputBinary(byte[] buf)

RowInputBinary

public RowInputBinary(RowOutputBinary out)

uses the byte[] buffer from out. At each reset, the buffer is set to the current one for out.

Method Detail

readByteArray

protected byte[] readByteArray()
                        throws IOException

Throws:

IOException

readType

public int readType()
             throws IOException

Specified by:

readType in interface RowInputInterface

Specified by:

readType in class RowInputBase

Throws:

IOException

readIntData

public int readIntData()
                throws IOException

Specified by:

readIntData in interface RowInputInterface

Specified by:

readIntData in class RowInputBase

Throws:

IOException

readString

public String readString()
                  throws IOException

Specified by:

readString in interface RowInputInterface

Specified by:

readString in class RowInputBase

Throws:

IOException

checkNull

protected boolean checkNull()
                     throws IOException

Specified by:

checkNull in class RowInputBase

Throws:

IOException

readChar

protected String readChar(int type)
                   throws IOException

Specified by:

readChar in class RowInputBase

Throws:

IOException

readSmallint

protected Integer readSmallint()
                        throws IOException,
                               HsqlException

Specified by:

readSmallint in class RowInputBase

Throws:

IOException

HsqlException

readInteger

protected Integer readInteger()
                       throws IOException,
                              HsqlException

Specified by:

readInteger in class RowInputBase

Throws:

IOException

HsqlException

readBigint

protected Long readBigint()
                   throws IOException,
                          HsqlException

Specified by:

readBigint in class RowInputBase

Throws:

IOException

HsqlException

readReal

protected Double readReal(int type)
                   throws IOException,
                          HsqlException

Specified by:

readReal in class RowInputBase

Throws:

IOException

HsqlException

readDecimal

protected BigDecimal readDecimal()
                          throws IOException,
                                 HsqlException

Specified by:

readDecimal in class RowInputBase

Throws:

IOException

HsqlException

readBit

protected Boolean readBit()
                   throws IOException,
                          HsqlException

Specified by:

readBit in class RowInputBase

Throws:

IOException

HsqlException

readTime

protected Time readTime()
                 throws IOException,
                        HsqlException

Specified by:

readTime in class RowInputBase

Throws:

IOException

HsqlException

To Do:

fredt - get time and data longs then normalise before fetching value

readDate

protected Date readDate()
                 throws IOException,
                        HsqlException

Specified by:

readDate in class RowInputBase

Throws:

IOException

HsqlException

readTimestamp

protected Timestamp readTimestamp()
                           throws IOException,
                                  HsqlException

Specified by:

readTimestamp in class RowInputBase

Throws:

IOException

HsqlException

readOther

protected Object readOther()
                    throws IOException,
                           HsqlException

Specified by:

readOther in class RowInputBase

Throws:

IOException

HsqlException

readBinary

protected Binary readBinary(int type)
                     throws IOException,
                            HsqlException

Specified by:

readBinary in class RowInputBase

Throws:

IOException

HsqlException

resetRow

public void resetRow(int rowsize)

Used to reset the row, ready for Result data to be written into the byte[] buffer by an external routine.

resetRow

public void resetRow(int filepos,
                     int rowsize)
              throws IOException

Used to reset the row, ready for a new db row to be written into the byte[] buffer by an external routine.

Specified by:

resetRow in interface RowInputInterface

Overrides:

resetRow in class RowInputBase

Throws:

IOException