helma.objectmodel
Interface ITransaction

public interface ITransaction

This interface is kept for databases that are able to run transactions.

Field Summary

static int	ADDED
static int	DELETED
static int	UPDATED

Method Summary

void	abort() Rollback the transaction, forgetting the changed items
void	addResource(java.lang.Object res, int status) Adds a resource to the list of resources encompassed by this transaction
void	commit() Complete the transaction by making its changes persistent.

Field Detail

ADDED

static final int ADDED

See Also:

Constant Field Values

UPDATED

static final int UPDATED

See Also:

Constant Field Values

DELETED

static final int DELETED

See Also:

Constant Field Values

Method Detail

commit

void commit()
            throws DatabaseException

Complete the transaction by making its changes persistent.

Throws:

DatabaseException

abort

void abort()
           throws DatabaseException

Rollback the transaction, forgetting the changed items

Throws:

DatabaseException

addResource

void addResource(java.lang.Object res,
                 int status)
                 throws DatabaseException

Adds a resource to the list of resources encompassed by this transaction

Parameters:

res - the resource to add

status - the status of the resource (ADDED|UPDATED|DELETED)

Throws:

DatabaseException