Java Code Examples for com.bigdata.rdf.store.AbstractTripleStore#getStatementIdentifiers()

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Example 1
Source File: AbstractStatementBuffer.java    From database with GNU General Public License v2.0 3 votes vote down vote up 
/**
     * @param db
     *            The database against which the {@link Value}s will be
     *            resolved (or added). If this database supports statement
     *            identifiers, then statement identifiers for the converted
     *            statements will be resolved (or added) to the lexicon.
     * @param readOnly
     *            When <code>true</code>, {@link Value}s (and statement
     *            identifiers iff enabled) will be resolved against the
     *            {@link LexiconRelation}, but entries WILL NOT be inserted
     *            into the {@link LexiconRelation} for unknown {@link Value}s
     *            (or for statement identifiers for unknown
     *            {@link Statement}s when statement identifiers are
     *            enabled).
     * @param capacity
     *            The capacity of the backing buffer.
     */
    @SuppressWarnings("unchecked")
    public AbstractStatementBuffer(final AbstractTripleStore db,
            final boolean readOnly, final int capacity) {

        if (db == null)
            throw new IllegalArgumentException();

        if (capacity <= 0)
            throw new IllegalArgumentException();
        
        this.capacity = capacity;
        
        this.db = db;
        
        this.readOnly = readOnly;

        this.valueBuffer = new BigdataValue[capacity * 3];

        this.statementBuffer = (G[])new BigdataStatement[capacity];
        
//        this.distinctValues = new HashMap<Value, BigdataValue>(capacity
//                * IRawTripleStore.N);
        this.distinctValues = new HashMap<Value, BigdataValue>(capacity
                * db.getSPOKeyArity());

        this.deferredStatementBuffer = db.getStatementIdentifiers() ? new LinkedList<G>()
                : null;
        
        this.valueFactory = db.getValueFactory();

    }