com.sas.table
Interface TableNavigationInterface

All Known Subinterfaces:

TableNavigationV2Interface

All Known Implementing Classes:

BaseDataBean

public interface TableNavigationInterface

Defines an interface for navigating through a table. This will usually be implemented in tandem with the primary interface to tables, StaticTableInterface.

TableNavigationInterface is used by the NavigationBar component to provide quick and easy form building.

Method Summary

boolean	commit() Commits any changes to the current row to the table.
boolean	delete() Deletes the current row from the table.
boolean	first() Move to the first row (or observation).
boolean	insert() Prepares for a new record to be inserted into the table.
boolean	isCommitSupported() Determines whether the commit method can be called.
boolean	isCursorValid() Determines whether the current row position is valid
boolean	isDeleteSupported() Determines whether the delete method can be called.
boolean	isFirstSupported() Determines whether the first method can be called.
boolean	isInsertSupported() Determines whether the insert method can be called.
boolean	isLastSupported() Determines whether the last method can be called.
boolean	isModified() Determines whether the current row has been modified.
boolean	isNextSupported() Determines whether the next method can be called.
boolean	isPreviousSupported() Determines whether the previous method can be called.
boolean	last() Move to the last row (or observation).
boolean	move(int row) Moves to the absolute row number given (1-based)
boolean	next() Move to the next row (or observation).
boolean	previous() Move to the previous row (or observation).

Method Detail

previous

boolean previous()

Move to the previous row (or observation).

Returns:

true if the cursor was positioned to the previous row

next

boolean next()

Move to the next row (or observation).

Returns:

true if the cursor was positioned to the next row

first

boolean first()

Move to the first row (or observation).

Returns:

true if the cursor was positioned to the first row

last

boolean last()

Move to the last row (or observation).

Returns:

true if the cursor was positioned to the last row

insert

boolean insert()

Prepares for a new record to be inserted into the table.

Returns:

true if ready to insert a new row

move

boolean move(int row)

Moves to the absolute row number given (1-based)

Parameters:

row - 1-based row number

Returns:

true if the cursor was positioned to a valid row

commit

boolean commit()

Commits any changes to the current row to the table. This includes any updates or inserting a new row into the table.

Returns:

true if the row was committed

delete

boolean delete()

Deletes the current row from the table.

Returns:

true if the row was deleted

isPreviousSupported

boolean isPreviousSupported()

Determines whether the previous method can be called.

Returns:

true if the previous method can be called

isNextSupported

boolean isNextSupported()

Determines whether the next method can be called.

isFirstSupported

boolean isFirstSupported()

Determines whether the first method can be called.

Returns:

true if the first method can be called

isLastSupported

boolean isLastSupported()

Determines whether the last method can be called.

Returns:

true if the last method can be called

isInsertSupported

boolean isInsertSupported()

Determines whether the insert method can be called.

Returns:

true if the insert method can be called

isCommitSupported

boolean isCommitSupported()

Determines whether the commit method can be called.

Returns:

true if the commit method can be called

isDeleteSupported

boolean isDeleteSupported()

Determines whether the delete method can be called.

Returns:

true if the delete method can be called

isModified

boolean isModified()

Determines whether the current row has been modified.

Returns:

true if the current row has been modified

isCursorValid

boolean isCursorValid()

Determines whether the current row position is valid

Returns:

true if the cursor is positioned on a valid row