Package com.qfs.index

Interface ILongArrayTransaction

All Superinterfaces:

ILongArray, ITransaction, IWritableLongArray

All Known Implementing Classes:

LongArrayTransaction

public interface ILongArrayTransaction
extends ITransaction, IWritableLongArray

A transaction on an ILongArray that contains the transient, writable state of the array.

The state is defined as the delta with respect to a base array.
The base array is never modified by those writes.
The writes are propagated to the base array only when and if the transaction is committed.

Author:

ActiveViam

Field Summary

Fields inherited from interface com.qfs.index.ILongArray

DEFAULT_EMPTY_VALUE

Method Summary

Modifier and Type	Method	Description
gnu.trove.map.TIntLongMap	getDelta()	Returns the delta object containing the old values for this transaction.
gnu.trove.map.TIntLongMap	getNewDelta()	Returns the delta object containing the new values for this transaction.
void	reset()	Empties the array.

Methods inherited from interface com.qfs.index.ILongArray

getEmptyValue, getValue, size, transferValues

Methods inherited from interface com.qfs.multiversion.ITransaction

commit, isEmpty, prepareCommit, rollback

Methods inherited from interface com.qfs.index.IWritableLongArray

set

Method Details

getDelta

gnu.trove.map.TIntLongMap getDelta()

Returns the delta object containing the old values for this transaction.

The delta object is a mapping from a row ID to the old value for this row.

Returns:

the delta

getNewDelta

gnu.trove.map.TIntLongMap getNewDelta()

Returns the delta object containing the new values for this transaction.

The delta object is a mapping from a row ID to the new value for this row.

Returns:

the delta

reset

void reset()

Empties the array.

Its size will be set to 0.