Package org.eclipse.rdf4j.federated.write

Interface WriteStrategy

All Superinterfaces:

AutoCloseable

All Known Implementing Classes:

ReadOnlyWriteStrategy, RepositoryWriteStrategy

@Experimental
public interface WriteStrategy
extends AutoCloseable

Interface for the WriteStrategy that is used for writing data to the federation. The implementation can decided upon how is data written to the underlying federation members (e.g. to a designated federation member)

Note: this is an experimental feature which is subject to change in a future version.

Author:

Andreas Schwarte

See Also:

• RepositoryWriteStrategy
• ReadOnlyWriteStrategy

Method Summary

Modifier and Type	Method	Description
void	addStatement(Resource subj, IRI pred, Value obj, Resource... contexts)	Add a statement
void	begin()	Begin a transaction.
void	clear(Resource... contexts)
void	clearNamespaces()
void	close()	Close this write strategy (e.g.
void	commit()	Commit a transaction.
void	removeStatement(Resource subj, IRI pred, Value obj, Resource... contexts)	Remove a statement
void	rollback()	Rollback a transaction.
void	setTransactionSettings(TransactionSetting... transactionSettings)	Assign TransactionSettings to be used for the next transaction.

Method Details

close

void close()
    throws RepositoryException

Close this write strategy (e.g. close a shared RepositoryException).

Specified by:

close in interface AutoCloseable

Throws:

RepositoryException

setTransactionSettings

void setTransactionSettings(TransactionSetting... transactionSettings)
                     throws RepositoryException

Assign TransactionSettings to be used for the next transaction.

Parameters:

transactionSettings - one or more TransactionSettings

Throws:

RepositoryException

begin

void begin()
    throws RepositoryException

Begin a transaction.

Throws:

RepositoryException

commit

void commit()
     throws RepositoryException

Commit a transaction.

Throws:

RepositoryException

rollback

void rollback()
       throws RepositoryException

Rollback a transaction.

Throws:

RepositoryException

addStatement

void addStatement(Resource subj,
 IRI pred,
 Value obj,
 Resource... contexts)
           throws RepositoryException

Add a statement

Parameters:

subj -

pred -

obj -

contexts -

Throws:

RepositoryException

removeStatement

void removeStatement(Resource subj,
 IRI pred,
 Value obj,
 Resource... contexts)
              throws RepositoryException

Remove a statement

Parameters:

subj -

pred -

obj -

contexts -

Throws:

RepositoryException

clear

void clear(Resource... contexts)
    throws RepositoryException

Throws:

RepositoryException

clearNamespaces

void clearNamespaces()
              throws RepositoryException

Throws:

RepositoryException