@Override
protected void commitInternal() throws SailException {
try {
triples.commit();
unlock();
} catch (SQLException e) {
throw new RdbmsException(e);
} catch (InterruptedException e) {
throw new RdbmsException(e);
}
// create a fresh event object.
triples.setSailChangedEvent(new DefaultSailChangedEvent(sail));
}
@Override
protected void addStatementInternal(Resource subj, URI pred, Value obj, Resource... contexts)
throws SailException {
try {
if (contexts.length == 0) {
triples.add(vf.createStatement(subj, pred, obj));
} else {
for (Resource ctx : contexts) {
triples.add(vf.createStatement(subj, pred, obj, ctx));
}
}
} catch (SQLException e) {
throw new RdbmsException(e);
} catch (InterruptedException e) {
throw new RdbmsException(e);
}
}
@Override
protected long sizeInternal(Resource... contexts) throws SailException {
try {
return triples.size(vf.asRdbmsResource(contexts));
} catch (SQLException e) {
throw new RdbmsException(e);
}
}
@Override
protected RdbmsResourceIteration getContextIDsInternal() throws SailException {
try {
return triples.findContexts();
} catch (SQLException e) {
throw new RdbmsException(e);
}
}
@Override
protected void removeStatementsInternal(Resource subj, URI pred, Value obj, Resource... contexts)
throws SailException {
RdbmsResource s = vf.asRdbmsResource(subj);
RdbmsURI p = vf.asRdbmsURI(pred);
RdbmsValue o = vf.asRdbmsValue(obj);
RdbmsResource[] c = vf.asRdbmsResource(contexts);
triples.remove(s, p, o, c);
}
@Override
protected void rollbackInternal() throws SailException {
try {
triples.rollback();
} catch (SQLException e) {
throw new RdbmsException(e);
} finally {
unlock();
}
}
@Override
protected CloseableIteration<? extends Statement, SailException> getStatementsInternal(
Resource subj, URI pred, Value obj, boolean includeInferred, Resource... contexts)
throws SailException {
RdbmsResource s = vf.asRdbmsResource(subj);
RdbmsURI p = vf.asRdbmsURI(pred);
RdbmsValue o = vf.asRdbmsValue(obj);
RdbmsResource[] c = vf.asRdbmsResource(contexts);
return triples.find(s, p, o, c);
}
@Override
protected void startTransactionInternal() throws SailException {
try {
lock();
triples.begin();
} catch (SQLException e) {
unlock();
throw new RdbmsException(e);
} catch (InterruptedException e) {
unlock();
throw new RdbmsException(e);
}
}
@Override
protected CloseableIteration<BindingSet, QueryEvaluationException> evaluateInternal(
TupleExpr expr, Dataset dataset, BindingSet bindings, boolean includeInferred)
throws SailException {
triples.flush();
try {
TupleExpr tupleExpr;
EvaluationStrategy strategy;
strategy = factory.createRdbmsEvaluation(dataset);
tupleExpr = optimizer.optimize(expr, dataset, bindings, strategy);
return strategy.evaluate(tupleExpr, EmptyBindingSet.getInstance());
} catch (QueryEvaluationException e) {
throw new SailException(e);
}
}