Package edu.cornell.mannlib.vitro.webapp.rdfservice.impl

Class ChangeSetImpl

java.lang.Object

edu.cornell.mannlib.vitro.webapp.rdfservice.impl.ChangeSetImpl

All Implemented Interfaces:

ChangeSet

public class ChangeSetImpl
extends Object
implements ChangeSet

Constructor Summary

Constructors

Constructor	Description
ChangeSetImpl()

Method Summary

Modifier and Type	Method	Description
void	addAddition(InputStream model, RDFService.ModelSerializationFormat format, String graphURI)	Adds one model change representing an addition to the list of model changes
void	addPostChangeEvent(Object o)	Adds an event that will be be passed to any change listeners after all of the change set additions and retractions are performed.
void	addPreChangeEvent(Object o)	Adds an event that will be be passed to any change listeners in advance of the change set additions and retractions being performed.
void	addRemoval(InputStream model, RDFService.ModelSerializationFormat format, String graphURI)	Adds one model change representing a deletion to the list of model changes
List<ModelChange>	getModelChanges()
List<Object>	getPostChangeEvents()	Returns a list of events to pass to any change listeners after the change set additions and retractions are performed.
List<Object>	getPreChangeEvents()	Returns a list of events to pass to any change listeners in advance of the change set additions and retractions being performed.
String	getPreconditionQuery()
RDFService.SPARQLQueryType	getPreconditionQueryType()
ModelChange	manufactureModelChange()	Creates an instance of the ModelChange class
ModelChange	manufactureModelChange(InputStream serializedModel, RDFService.ModelSerializationFormat serializationFormat, ModelChange.Operation operation, String graphURI)	Creates an instance of the ModelChange class
void	setPreconditionQuery(String preconditionQuery)
void	setPreconditionQueryType(RDFService.SPARQLQueryType queryType)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ChangeSetImpl

public ChangeSetImpl()

Method Detail

getPreconditionQuery

public String getPreconditionQuery()

Specified by:

getPreconditionQuery in interface ChangeSet

Returns:

String - a SPARQL query

setPreconditionQuery

public void setPreconditionQuery(String preconditionQuery)

Specified by:

setPreconditionQuery in interface ChangeSet

Parameters:

preconditionQuery - - a SPARQL query

getPreconditionQueryType

public RDFService.SPARQLQueryType getPreconditionQueryType()

Specified by:

getPreconditionQueryType in interface ChangeSet

Returns:

RDFService.SPARQLQueryType - the precondition query type

setPreconditionQueryType

public void setPreconditionQueryType(RDFService.SPARQLQueryType queryType)

Specified by:

setPreconditionQueryType in interface ChangeSet

Parameters:

queryType - - the precondition query type

getModelChanges

public List<ModelChange> getModelChanges()

Specified by:

getModelChanges in interface ChangeSet

addAddition

public void addAddition(InputStream model,
                        RDFService.ModelSerializationFormat format,
                        String graphURI)

Description copied from interface: ChangeSet

Adds one model change representing an addition to the list of model changes

Specified by:

addAddition in interface ChangeSet

Parameters:

model - - a serialized RDF model (collection of triples)

format - - format of the serialized RDF model

graphURI - - URI of the graph to which the RDF model should be added

addRemoval

public void addRemoval(InputStream model,
                       RDFService.ModelSerializationFormat format,
                       String graphURI)

Description copied from interface: ChangeSet

Adds one model change representing a deletion to the list of model changes

Specified by:

addRemoval in interface ChangeSet

Parameters:

model - - a serialized RDF model (collection of triples)

format - - format of the serialized RDF model

graphURI - - URI of the graph from which the RDF model should be removed

manufactureModelChange

public ModelChange manufactureModelChange()

Description copied from interface: ChangeSet

Creates an instance of the ModelChange class

Specified by:

manufactureModelChange in interface ChangeSet

Returns:

ModelChange - an empty instance of the ModelChange class

manufactureModelChange

public ModelChange manufactureModelChange(InputStream serializedModel,
                                          RDFService.ModelSerializationFormat serializationFormat,
                                          ModelChange.Operation operation,
                                          String graphURI)

Description copied from interface: ChangeSet

Creates an instance of the ModelChange class

Specified by:

manufactureModelChange in interface ChangeSet

Parameters:

serializedModel - - a serialized RDF model (collection of triples)

serializationFormat - - format of the serialized RDF model

operation - - the type of operation to be performed with the serialized RDF model

graphURI - - URI of the graph on which to apply the model change operation

Returns:

ModelChange - a ModelChange instance initialized with the input model, model format, operation and graphURI

addPreChangeEvent

public void addPreChangeEvent(Object o)

Description copied from interface: ChangeSet

Adds an event that will be be passed to any change listeners in advance of the change set additions and retractions being performed. The event will only be fired if the precondition (if any) is met.

Specified by:

addPreChangeEvent in interface ChangeSet

Parameters:

o - - event to notify listeners of in advance of making changes to the triple store.

addPostChangeEvent

public void addPostChangeEvent(Object o)

Description copied from interface: ChangeSet

Adds an event that will be be passed to any change listeners after all of the change set additions and retractions are performed.

Specified by:

addPostChangeEvent in interface ChangeSet

Parameters:

o - - the event to notify listeners of after the changes are performed.

getPreChangeEvents

public List<Object> getPreChangeEvents()

Description copied from interface: ChangeSet

Returns a list of events to pass to any change listeners in advance of the change set additions and retractions being performed.

Specified by:

getPreChangeEvents in interface ChangeSet

getPostChangeEvents

public List<Object> getPostChangeEvents()

Description copied from interface: ChangeSet

Returns a list of events to pass to any change listeners after the change set additions and retractions are performed.

Specified by:

getPostChangeEvents in interface ChangeSet

toString

public String toString()

Overrides:

toString in class Object