oracle.toplink.queryframework
Class Cursor

java.lang.Object
  |
  +--oracle.toplink.queryframework.Cursor

All Implemented Interfaces:

java.util.Enumeration, java.io.Serializable

Direct Known Subclasses:

CursoredStream, ScrollableCursor

public abstract class Cursor

extends java.lang.Object

implements java.util.Enumeration, java.io.Serializable

Purpose: Abstract class for CursoredStream and ScrolableCursor

See Also:

Serialized Form

Field Summary

Type	Field
CursorPolicy	policy Object-level read query that initialize the stream.

Constructor Summary

Method Summary

Type	Method
void	close() PUBLIC: Closes the stream.
boolean	isClosed() PUBLIC: Return if the stream is closed.
int	size() PUBLIC: Retreive the size of the open cursor by executing a count on the same query as the cursor.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Enumeration

hasMoreElements, nextElement

Field Detail

policy

public transient CursorPolicy policy

Object-level read query that initialize the stream.

Constructor Detail

Method Detail

close

public void close()
           throws DatabaseException

PUBLIC: Closes the stream. This should be performed whenever the user has finished with the stream.

isClosed

public boolean isClosed()

PUBLIC: Return if the stream is closed.

size

public int size()
         throws DatabaseException

PUBLIC: Retreive the size of the open cursor by executing a count on the same query as the cursor.