org.apache.derby.client.net
Class NetSqldta

java.lang.Object
  org.apache.derby.client.am.Cursor
      org.apache.derby.client.net.NetCursor
          org.apache.derby.client.net.NetSqldta

public class NetSqldta
extends NetCursor

Field Summary

private NetConnection

netConnection_

Fields inherited from class org.apache.derby.client.net.NetCursor

blocking_, extdtaData_, extdtaPositions_, isGraphic_, maximumRowSize_, netAgent_, netResultSet_, numMddOverrides_, qrydscTypdef_, rtnextrow_, targetSqlamForTypdef_, typeToUseForComputingDataLength_

Fields inherited from class org.apache.derby.client.am.Cursor

agent_, BYTES, ccsid_, charsetName_, columnDataComputedLength_, columnDataIsNullCache_, columnDataLengthCache_, columnDataPosition_, columnDataPositionCache_, columns_, currentRowPosition_, dataBuffer_, dataBufferStream_, DBCS_CLOB, fdocaLength_, hasLobs_, isNull_, isUpdateDeleteHole_, isUpdateDeleteHoleCache_, jdbcTypes_, lastValidBytePosition_, MBCS_CLOB, NULL_TERMINATED_BYTES, NULL_TERMINATED_STRING, nullable_, position_, ROW_IS_NOT_NULL, ROW_IS_NULL, SBCS_CLOB, STRING, VARIABLE_BYTES, VARIABLE_SHORT_BYTES, VARIABLE_SHORT_STRING, VARIABLE_STRING

Constructor Summary

NetSqldta(NetAgent netAgent)

Method Summary

protected boolean	calculateColumnOffsetsForRow()
boolean	next() Makes the next row the current row.
private int	readFdocaOneByte()
private int	readFdocaTwoByteLength()
private int	skipFdocaBytes(int length)

Methods inherited from class org.apache.derby.client.net.NetCursor

allocateColumnOffsetAndLengthArrays, allocateDataBuffer, allocateDataBuffer, calculateColumnOffsetsForRow_, calculateLobColumnPositionsForRow, clearLobData_, ensureSpaceForDataBuffer, findExtdtaData, getBlobColumn_, getClobBytes_, getClobColumn_, getDecimalLength, getMoreData_, getQryclsimpEnabled, initializeColumnInfoArrays, isDataBufferNull, isNonTrivialDataLob, locator, nullDataForGC, parseSQLCARD, parseSQLDCTOKS, scanDataBufferForEndOfData, setAllRowsReceivedFromServer, setBlocking, setQryclsimpEnabled

Methods inherited from class org.apache.derby.client.am.Cursor

allocateCharBuffer, allRowsReceivedFromServer, currentRowPositionIsEqualToNextRowPosition, dataBufferHasUnprocessedData, get_INTEGER, getArray, getAsciiStream, getBinaryStream, getBlob, getCharacterStream, getClob, getDataBuffer, getDataBufferLength, getIsRowUpdated, getIsUpdateDeleteHole, getLastValidBytePosition, getObject, getRef, getUnicodeStream, incrementRowsReadEvent, makeNextRowPositionCurrent, markCurrentRowPosition, markNextRowPosition, resetDataBuffer, setBuffer, setIsRowUpdated, setIsUpdataDeleteHole, setNumberOfColumns, stepNext

Methods inherited from class java.lang.Object

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

Field Detail

netConnection_

private NetConnection netConnection_

Constructor Detail

NetSqldta

public NetSqldta(NetAgent netAgent)

Method Detail

next

public boolean next()
             throws SqlException

Description copied from class: Cursor

Makes the next row the current row. Returns true if the current row position is a valid row position.

Overrides:

next in class Cursor

Returns:

true if current row position is valid

Throws:

SqlException - if an error occurs

calculateColumnOffsetsForRow

protected boolean calculateColumnOffsetsForRow()

skipFdocaBytes

private int skipFdocaBytes(int length)

readFdocaOneByte

private int readFdocaOneByte()

readFdocaTwoByteLength

private int readFdocaTwoByteLength()