Github user meiercaleb commented on a diff in the pull request:
https://github.com/apache/incubator-rya/pull/172#discussion_r159754654
--- Diff:
extras/indexing/src/main/java/org/apache/rya/api/client/mongo/MongoBatchUpdatePCJ.java
---
@@ -0,0 +1,243 @@
+/**
+ * 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.mongo;
+
+import static java.util.Objects.requireNonNull;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+import org.apache.accumulo.core.client.AccumuloException;
+import org.apache.accumulo.core.client.AccumuloSecurityException;
+import org.apache.rya.api.client.BatchUpdatePCJ;
+import org.apache.rya.api.client.CreatePCJ;
+import org.apache.rya.api.client.InstanceDoesNotExistException;
+import org.apache.rya.api.client.InstanceExists;
+import org.apache.rya.api.client.PCJDoesNotExistException;
+import org.apache.rya.api.client.RyaClientException;
+import org.apache.rya.api.instance.RyaDetails;
+import org.apache.rya.api.instance.RyaDetails.PCJIndexDetails.PCJDetails;
+import
org.apache.rya.api.instance.RyaDetails.PCJIndexDetails.PCJDetails.PCJUpdateStrategy;
+import org.apache.rya.api.instance.RyaDetailsRepository;
+import
org.apache.rya.api.instance.RyaDetailsRepository.NotInitializedException;
+import
org.apache.rya.api.instance.RyaDetailsRepository.RyaDetailsRepositoryException;
+import org.apache.rya.api.instance.RyaDetailsUpdater;
+import org.apache.rya.api.instance.RyaDetailsUpdater.RyaDetailsMutator;
+import
org.apache.rya.api.instance.RyaDetailsUpdater.RyaDetailsMutator.CouldNotApplyMutationException;
+import org.apache.rya.api.persist.RyaDAOException;
+import org.apache.rya.indexing.pcj.storage.PcjMetadata;
+import org.apache.rya.indexing.pcj.storage.PrecomputedJoinStorage;
+import
org.apache.rya.indexing.pcj.storage.PrecomputedJoinStorage.PCJStorageException;
+import org.apache.rya.indexing.pcj.storage.accumulo.VisibilityBindingSet;
+import org.apache.rya.indexing.pcj.storage.mongo.MongoPcjStorage;
+import org.apache.rya.mongodb.MongoDBRdfConfiguration;
+import org.apache.rya.mongodb.instance.MongoRyaInstanceDetailsRepository;
+import org.apache.rya.rdftriplestore.inference.InferenceEngineException;
+import org.apache.rya.sail.config.RyaSailFactory;
+import org.openrdf.query.BindingSet;
+import org.openrdf.query.MalformedQueryException;
+import org.openrdf.query.QueryEvaluationException;
+import org.openrdf.query.QueryLanguage;
+import org.openrdf.query.TupleQuery;
+import org.openrdf.query.TupleQueryResultHandlerBase;
+import org.openrdf.query.TupleQueryResultHandlerException;
+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.SailConnection;
+import org.openrdf.sail.SailException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.Preconditions;
+import com.mongodb.MongoClient;
+
+/**
+ * A Mongo implementation of {@link CreatePCJ}.
--- End diff --
Mongo Implementation of BatchUpdatePCJ
---
