Class MemTriple

    • Method Detail

      • stringValue

        public String stringValue()
        Description copied from interface: Value
        Returns the String-value of a Value object. This returns either a Literal's label, a IRI's URI or a BNode's ID.
        Specified by:
        stringValue in interface Value
      • getCreator

        public Object getCreator()
        Description copied from interface: MemValue
        Returns the object that created this MemValue. MemValues are only unique within a single repository, but an application could use several repositories at the same time, passing MemValues generated by one Sail to another Sail. In such situations, the MemValue of the first Sail cannot be used by the second Sail.
        Specified by:
        getCreator in interface MemValue
      • hasStatements

        public boolean hasStatements()
        Description copied from interface: MemValue
        Checks whether this MemValue has any statements. A MemValue object has statements if there is at least one statement where it is used as the subject, predicate, object or context value.
        Specified by:
        hasStatements in interface MemValue
        Returns:
        true if the MemValue has statements, false otherwise.
      • getObjectStatementList

        public MemStatementList getObjectStatementList()
        Description copied from interface: MemValue
        Gets the list of statements for which this MemValue is the object.
        Specified by:
        getObjectStatementList in interface MemValue
        Returns:
        A MemStatementList containing the statements.
      • getObjectStatementCount

        public int getObjectStatementCount()
        Description copied from interface: MemValue
        Gets the number of statements for which this MemValue is the object.
        Specified by:
        getObjectStatementCount in interface MemValue
        Returns:
        An integer larger than or equal to 0.
      • addObjectStatement

        public void addObjectStatement​(MemStatement st)
        Description copied from interface: MemValue
        Adds a statement to this MemValue's list of statements for which it is the object.
        Specified by:
        addObjectStatement in interface MemValue
      • removeObjectStatement

        public void removeObjectStatement​(MemStatement st)
        Description copied from interface: MemValue
        Removes a statement from this MemValue's list of statements for which it is the object.
        Specified by:
        removeObjectStatement in interface MemValue
      • cleanSnapshotsFromObjectStatements

        public void cleanSnapshotsFromObjectStatements​(int currentSnapshot)
        Description copied from interface: MemValue
        Removes statements from old snapshots (those that have expired at or before the specified snapshot version) from this MemValue's list of statements for which it is the object.
        Specified by:
        cleanSnapshotsFromObjectStatements in interface MemValue
        Parameters:
        currentSnapshot - The current snapshot version.
      • getSubjectStatementList

        public MemStatementList getSubjectStatementList()
        Description copied from interface: MemResource
        Gets the list of statements for which this MemResource is the subject.
        Specified by:
        getSubjectStatementList in interface MemResource
        Returns:
        a MemStatementList containing the statements.
      • getSubjectStatementCount

        public int getSubjectStatementCount()
        Description copied from interface: MemResource
        Gets the number of statements for which this MemResource is the subject.
        Specified by:
        getSubjectStatementCount in interface MemResource
        Returns:
        An integer larger than or equal to 0.
      • addSubjectStatement

        public void addSubjectStatement​(MemStatement st)
        Description copied from interface: MemResource
        Adds a statement to this MemResource's list of statements for which it is the subject.
        Specified by:
        addSubjectStatement in interface MemResource
      • removeSubjectStatement

        public void removeSubjectStatement​(MemStatement st)
        Description copied from interface: MemResource
        Removes a statement from this MemResource's list of statements for which it is the subject.
        Specified by:
        removeSubjectStatement in interface MemResource
      • cleanSnapshotsFromSubjectStatements

        public void cleanSnapshotsFromSubjectStatements​(int currentSnapshot)
        Description copied from interface: MemResource
        Removes statements from old snapshots (those that have expired at or before the specified snapshot version) from this MemValue's list of statements for which it is the subject.
        Specified by:
        cleanSnapshotsFromSubjectStatements in interface MemResource
        Parameters:
        currentSnapshot - The current snapshot version.
      • getContextStatementList

        public MemStatementList getContextStatementList()
        Description copied from interface: MemResource
        Gets the list of statements for which this MemResource represents the context.
        Specified by:
        getContextStatementList in interface MemResource
        Returns:
        a MemStatementList containing the statements.
      • getContextStatementCount

        public int getContextStatementCount()
        Description copied from interface: MemResource
        Gets the number of statements for which this MemResource represents the context.
        Specified by:
        getContextStatementCount in interface MemResource
        Returns:
        An integer larger than or equal to 0.
      • addContextStatement

        public void addContextStatement​(MemStatement st)
        Description copied from interface: MemResource
        Adds a statement to this MemResource's list of statements for which it represents the context.
        Specified by:
        addContextStatement in interface MemResource
      • removeContextStatement

        public void removeContextStatement​(MemStatement st)
        Description copied from interface: MemResource
        Removes a statement from this MemResource's list of statements for which it represents the context.
        Specified by:
        removeContextStatement in interface MemResource
      • cleanSnapshotsFromContextStatements

        public void cleanSnapshotsFromContextStatements​(int currentSnapshot)
        Description copied from interface: MemResource
        Removes statements from old snapshots (those that have expired at or before the specified snapshot version) from this MemValue's list of statements for which it is the context.
        Specified by:
        cleanSnapshotsFromContextStatements in interface MemResource
        Parameters:
        currentSnapshot - The current snapshot version.
      • getSubject

        public MemResource getSubject()
        Description copied from interface: Triple
        Gets the subject of this triple.
        Specified by:
        getSubject in interface Triple
        Returns:
        The triple's subject.
      • getPredicate

        public MemIRI getPredicate()
        Description copied from interface: Triple
        Gets the predicate of this triple.
        Specified by:
        getPredicate in interface Triple
        Returns:
        The triple's predicate.
      • getObject

        public MemValue getObject()
        Description copied from interface: Triple
        Gets the object of this triple.
        Specified by:
        getObject in interface Triple
        Returns:
        The triple's object.
      • equals

        public boolean equals​(Object other)
        Description copied from interface: Triple
        Compares this triple to another object.
        Specified by:
        equals in interface Triple
        Overrides:
        equals in class Object
        Parameters:
        other - the object to compare this triple to
        Returns:
        true if the other object is an instance of Triple and if their subjects, predicates and objects are equal; false otherwise