org.topbraid.change
Class MoveStatementsToSubjectChange

java.lang.Object
  org.topbraid.core.change.AbstractChange
      org.topbraid.change.MoveStatementsToSubjectChange

All Implemented Interfaces:

IChange

public class MoveStatementsToSubjectChange
extends AbstractChange

Moves a list of predicate/object pairs to a given subject. If objects are blank nodes, the system will create deep copies.

Author:

Holger Knublauch

Constructor Summary

MoveStatementsToSubjectChange(com.hp.hpl.jena.rdf.model.Resource newSubject, com.hp.hpl.jena.rdf.model.Statement[] statements)

Method Summary

java.lang.String	check(ISession session) Checks if this can be executed and returns an error string if not.
void	execute(ISession session, org.eclipse.core.runtime.IProgressMonitor monitor) Executes the change.

Methods inherited from class org.topbraid.core.change.AbstractChange

getImageMetadata, getLabel, isNoop, setImage, setImage, setLabel

Methods inherited from class java.lang.Object

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

Constructor Detail

MoveStatementsToSubjectChange

public MoveStatementsToSubjectChange(com.hp.hpl.jena.rdf.model.Resource newSubject,
                                     com.hp.hpl.jena.rdf.model.Statement[] statements)

Method Detail

check

public java.lang.String check(ISession session)

Description copied from interface: IChange

Checks if this can be executed and returns an error string if not. This method is usually called by the execution environment prior to calling the IChange.execute(org.topbraid.core.session.ISession, org.eclipse.core.runtime.IProgressMonitor) method.

Specified by:

check in interface IChange

Overrides:

check in class AbstractChange

Parameters:

session - the session to check against

Returns:

null if the change can be performed, an error message otherwise

execute

public void execute(ISession session,
                    org.eclipse.core.runtime.IProgressMonitor monitor)
             throws java.lang.InterruptedException

Description copied from interface: IChange

Executes the change. This should perform the changes to a Jena model. In case of an unexpected state, the method may throw an IllegalStateException.

Parameters:

session - the session to execute the change on

monitor - a progress monitor for longish operations (may be null)

Throws:

java.lang.InterruptedException - if the user has cancelled the execution, e.g. using the provided monitor