Github user isper3at commented on a diff in the pull request:
https://github.com/apache/incubator-rya/pull/172#discussion_r160569137
--- Diff:
extras/indexing/src/main/java/org/apache/rya/indexing/mongodb/pcj/MongoPcjIndexSetProvider.java
---
@@ -0,0 +1,130 @@
+/*
+ * 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.indexing.mongodb.pcj;
+
+import static java.util.Objects.requireNonNull;
+
+import java.util.List;
+import java.util.Map;
+
+import org.apache.rya.api.instance.RyaDetailsRepository;
+import
org.apache.rya.api.instance.RyaDetailsRepository.RyaDetailsRepositoryException;
+import org.apache.rya.indexing.external.tupleSet.ExternalTupleSet;
+import
org.apache.rya.indexing.pcj.matching.provider.AbstractPcjIndexSetProvider;
+import org.apache.rya.indexing.pcj.storage.PrecomputedJoinStorage;
+import
org.apache.rya.indexing.pcj.storage.PrecomputedJoinStorage.PCJStorageException;
+import org.apache.rya.indexing.pcj.storage.mongo.MongoPcjDocuments;
+import org.apache.rya.indexing.pcj.storage.mongo.MongoPcjStorage;
+import org.apache.rya.mongodb.StatefulMongoDBRdfConfiguration;
+import org.apache.rya.mongodb.instance.MongoRyaInstanceDetailsRepository;
+import org.openrdf.query.MalformedQueryException;
+
+import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
+import com.mongodb.MongoClient;
+
+/**
+ * Implementation of {@link AbstractPcjIndexSetProvider} for MongoDB.
+ */
+public class MongoPcjIndexSetProvider extends AbstractPcjIndexSetProvider {
+ /**
+ * Creates a new {@link MongoPcjIndexSetProvider}.
+ * @param conf - The configuration for this provider. (not null)
+ */
+ public MongoPcjIndexSetProvider(final StatefulMongoDBRdfConfiguration
conf) {
+ super(conf);
+ }
+
+ /**
+ * Creates a new {@link MongoPcjIndexSetProvider}.
+ * @param conf - The configuration for this provider.
+ * @param indices - The predefined indicies on this provider.
+ * @param client - The {@link MongoClient} used to connect to mongo.
+ */
+ public MongoPcjIndexSetProvider(final StatefulMongoDBRdfConfiguration
conf, final List<ExternalTupleSet> indices) {
+ super(conf, indices);
+ }
+
+ @Override
+ protected List<ExternalTupleSet> getIndices() throws
PcjIndexSetException {
+ requireNonNull(conf);
+ try {
+ final StatefulMongoDBRdfConfiguration mongoConf =
(StatefulMongoDBRdfConfiguration) conf;
+ final MongoClient client = mongoConf.getMongoClient();
+ final MongoPcjDocuments pcjDocs = new
MongoPcjDocuments(client, mongoConf.getRyaInstanceName());
+ List<String> tables = null;
--- End diff --
there should really only be the PCJ collection. I may take a look at just
cleaning this up to use the PCJ collection
---
