Github user amihalik commented on a diff in the pull request:
https://github.com/apache/incubator-rya/pull/188#discussion_r129999058
--- Diff:
extras/indexing/src/main/java/org/apache/rya/api/client/accumulo/AccumuloExecuteSparqlQuery.java
---
@@ -0,0 +1,150 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.rya.api.client.accumulo;
+
+import static java.util.Objects.requireNonNull;
+
+import java.text.DecimalFormat;
+
+import org.apache.accumulo.core.client.AccumuloException;
+import org.apache.accumulo.core.client.AccumuloSecurityException;
+import org.apache.accumulo.core.client.Connector;
+import org.apache.log4j.Logger;
+import org.apache.rya.accumulo.AccumuloRdfConfiguration;
+import org.apache.rya.api.client.ExecuteSparqlQuery;
+import org.apache.rya.api.client.InstanceDoesNotExistException;
+import org.apache.rya.api.client.InstanceExists;
+import org.apache.rya.api.client.LoadStatementsFile;
+import org.apache.rya.api.client.RyaClientException;
+import org.apache.rya.api.persist.RyaDAOException;
+import org.apache.rya.rdftriplestore.inference.InferenceEngineException;
+import org.apache.rya.sail.config.RyaSailFactory;
+import org.openrdf.query.MalformedQueryException;
+import org.openrdf.query.QueryEvaluationException;
+import org.openrdf.query.QueryLanguage;
+import org.openrdf.query.TupleQuery;
+import org.openrdf.query.TupleQueryResult;
+import org.openrdf.repository.RepositoryException;
+import org.openrdf.repository.sail.SailRepository;
+import org.openrdf.repository.sail.SailRepositoryConnection;
+import org.openrdf.sail.Sail;
+import org.openrdf.sail.SailException;
+
+import edu.umd.cs.findbugs.annotations.DefaultAnnotation;
+import edu.umd.cs.findbugs.annotations.NonNull;
+
+/**
+ * An Accumulo implementation of the {@link LoadStatementsFile} command.
+ */
+@DefaultAnnotation(NonNull.class)
+public class AccumuloExecuteSparqlQuery extends AccumuloCommand implements
ExecuteSparqlQuery {
+ private static final Logger log =
Logger.getLogger(AccumuloExecuteSparqlQuery.class);
+
+ private final InstanceExists instanceExists;
+
+ /**
+ * Constructs an instance of {@link AccumuloExecuteSparqlQuery}.
+ *
+ * @param connectionDetails - Details about the values that were used
to create
+ * the connector to the cluster. (not null)
+ * @param connector - Provides programmatic access to the instance of
Accumulo
+ * that hosts Rya instance. (not null)
+ */
+ public AccumuloExecuteSparqlQuery(final AccumuloConnectionDetails
connectionDetails, final Connector connector) {
+ super(connectionDetails, connector);
+ instanceExists = new AccumuloInstanceExists(connectionDetails,
connector);
+ }
+
+
+ @Override
+ public String executeSparqlQuery(final String ryaInstanceName, final
String sparqlQuery)
+ throws InstanceDoesNotExistException, RyaClientException {
+ requireNonNull(ryaInstanceName);
+ requireNonNull(sparqlQuery);
+
+ // Ensure the Rya Instance exists.
+ if(!instanceExists.exists(ryaInstanceName)) {
+ throw new InstanceDoesNotExistException(String.format("There
is no Rya instance named '%s'.", ryaInstanceName));
+ }
+
+
+ Sail sail = null;
+ SailRepository sailRepo = null;
+ SailRepositoryConnection sailRepoConn = null;
+
+ try {
+ // Get a Sail object that is connected to the Rya instance.
+ final AccumuloRdfConfiguration ryaConf =
getAccumuloConnectionDetails().buildAccumuloRdfConfiguration(ryaInstanceName);
+ sail = RyaSailFactory.getInstance(ryaConf);
+
+ // Load the file.
--- End diff --
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