Package org.apache.jena.rdf.listeners
Class StatementListener
- java.lang.Object
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- org.apache.jena.rdf.listeners.StatementListener
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- All Implemented Interfaces:
ModelChangedListener
public class StatementListener extends java.lang.Object implements ModelChangedListener
A listener that filters all its listening down to the single-statement level. Users of this class overrideaddedStatement(Statement)
andremovedStatement(Statement)
.
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Constructor Summary
Constructors Constructor Description StatementListener()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
addedStatement(Statement s)
Override this to listen to all incoming added statementsvoid
addedStatements(java.util.List<Statement> statements)
Method to call when a list of statements has been added to the attached model.void
addedStatements(Model m)
Method to call when a model has been used to define the statements to be added to our attached model.void
addedStatements(Statement[] statements)
Method to call when an array of statements has been added to the attached model.void
addedStatements(StmtIterator statements)
Method to call when a statement iterator has supplied elements to be added to the attached model.void
notifyEvent(Model m, java.lang.Object event)
void
removedStatement(Statement s)
Override this to listen to all incoming removed statementsvoid
removedStatements(java.util.List<Statement> statements)
Method to call when a list of statements has been deleted from the attached model.void
removedStatements(Model m)
Method to call when a model has been used to remove statements from our attached model.void
removedStatements(Statement[] statements)
Method to call when an array of statements has been removed from the attached model.void
removedStatements(StmtIterator statements)
Method to call when a statement iterator has been used to remove statements from the attached model.
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Method Detail
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addedStatement
public void addedStatement(Statement s)
Override this to listen to all incoming added statements- Specified by:
addedStatement
in interfaceModelChangedListener
- Parameters:
s
- the statement that has been presented for addition.
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removedStatement
public void removedStatement(Statement s)
Override this to listen to all incoming removed statements- Specified by:
removedStatement
in interfaceModelChangedListener
- Parameters:
s
- the statement that has been presented for removal.
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addedStatements
public void addedStatements(Statement[] statements)
Description copied from interface:ModelChangedListener
Method to call when an array of statements has been added to the attached model. NOTE. This array need not be == to the array added using Model::add(Statement[]).- Specified by:
addedStatements
in interfaceModelChangedListener
- Parameters:
statements
- the array of added statements
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addedStatements
public void addedStatements(java.util.List<Statement> statements)
Description copied from interface:ModelChangedListener
Method to call when a list of statements has been added to the attached model. NOTE. This list need not be == to the list added using Model::add(List).- Specified by:
addedStatements
in interfaceModelChangedListener
- Parameters:
statements
- the list of statements that has been removed.
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addedStatements
public void addedStatements(StmtIterator statements)
Description copied from interface:ModelChangedListener
Method to call when a statement iterator has supplied elements to be added to the attached model.statements
is a copy of the original iterator.- Specified by:
addedStatements
in interfaceModelChangedListener
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addedStatements
public void addedStatements(Model m)
Description copied from interface:ModelChangedListener
Method to call when a model has been used to define the statements to be added to our attached model.- Specified by:
addedStatements
in interfaceModelChangedListener
- Parameters:
m
- a model equivalent to [and sharing with] the added model
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removedStatements
public void removedStatements(Statement[] statements)
Description copied from interface:ModelChangedListener
Method to call when an array of statements has been removed from the attached model. NOTE. This array need not be == to the array added using Model::remove(Statement[]).- Specified by:
removedStatements
in interfaceModelChangedListener
- Parameters:
statements
- the array of removed statements
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removedStatements
public void removedStatements(java.util.List<Statement> statements)
Description copied from interface:ModelChangedListener
Method to call when a list of statements has been deleted from the attached model. NOTE. This list need not be == to the list added using Model::remove(List).- Specified by:
removedStatements
in interfaceModelChangedListener
- Parameters:
statements
- the list of statements that have been removed.
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removedStatements
public void removedStatements(StmtIterator statements)
Description copied from interface:ModelChangedListener
Method to call when a statement iterator has been used to remove statements from the attached model. The iterator will be a copy, in the correct order, of the iterator supplied for the removal.- Specified by:
removedStatements
in interfaceModelChangedListener
- Parameters:
statements
- a statement-type copy of the updating iterator
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removedStatements
public void removedStatements(Model m)
Description copied from interface:ModelChangedListener
Method to call when a model has been used to remove statements from our attached model.- Specified by:
removedStatements
in interfaceModelChangedListener
- Parameters:
m
- a model equivalent to [and sharing with] the one removed
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notifyEvent
public void notifyEvent(Model m, java.lang.Object event)
- Specified by:
notifyEvent
in interfaceModelChangedListener
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