com.ibm.jtopenlite.ddm
Class DDMReadCallbackAdapter

java.lang.Object
  com.ibm.jtopenlite.ddm.DDMReadCallbackAdapter

All Implemented Interfaces:

DDMReadCallback

public abstract class DDMReadCallbackAdapter
extends Object
implements DDMReadCallback

Helper class for implementing a DDMReadCallback.

Constructor Summary

DDMReadCallbackAdapter()

Method Summary

void	endOfFile(DDMCallbackEvent event) Called by DDMConnection when a read or position operation moved the cursor to before the first record or after the last record.
boolean	isDone() Returns true after an operation calls endOfFile() or recordNotFound().
void	newRecord(DDMCallbackEvent event, DDMDataBuffer dataBuffer) Called by DDMConnection when a new record has been read.
abstract void	newRecord(int recordNumber, byte[] recordData, boolean[] nullFields) Called by the other newRecord().
void	recordNotFound(DDMCallbackEvent event) Called by DDMConnection when a keyed read returned no matching records.
void	reset() Resets the state of this callback adapter.

Methods inherited from class java.lang.Object

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

Constructor Detail

DDMReadCallbackAdapter

public DDMReadCallbackAdapter()

Method Detail

isDone

public boolean isDone()

Returns true after an operation calls endOfFile() or recordNotFound(). To reset the state, call reset().

newRecord

public abstract void newRecord(int recordNumber,
                               byte[] recordData,
                               boolean[] nullFields)
                        throws IOException

Called by the other newRecord().

Throws:

IOException

newRecord

public void newRecord(DDMCallbackEvent event,
                      DDMDataBuffer dataBuffer)
               throws IOException

Description copied from interface: DDMReadCallback

Called by DDMConnection when a new record has been read.

Specified by:

newRecord in interface DDMReadCallback

Throws:

IOException

recordNotFound

public void recordNotFound(DDMCallbackEvent event)

Description copied from interface: DDMReadCallback

Called by DDMConnection when a keyed read returned no matching records.

Specified by:

recordNotFound in interface DDMReadCallback

endOfFile

public void endOfFile(DDMCallbackEvent event)

Description copied from interface: DDMReadCallback

Called by DDMConnection when a read or position operation moved the cursor to before the first record or after the last record.

Specified by:

endOfFile in interface DDMReadCallback

reset

public void reset()

Resets the state of this callback adapter.

See Also:

isDone()