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https://issues.apache.org/jira/browse/RYA-303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16120000#comment-16120000
]
ASF GitHub Bot commented on RYA-303:
------------------------------------
Github user meiercaleb commented on a diff in the pull request:
https://github.com/apache/incubator-rya/pull/172#discussion_r132183937
--- Diff:
extras/indexing/src/main/java/org/apache/rya/indexing/mongodb/pcj/MongoPrecomputedJoinIndexer.java
---
@@ -0,0 +1,89 @@
+/*
+ * 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 com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.util.concurrent.atomic.AtomicReference;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.log4j.Logger;
+import org.apache.rya.indexing.pcj.storage.mongo.MongoPcjDocuments;
+import org.apache.rya.mongodb.MongoDBRdfConfiguration;
+
+import com.mongodb.MongoClient;
+
+import edu.umd.cs.findbugs.annotations.DefaultAnnotation;
+import edu.umd.cs.findbugs.annotations.NonNull;
+
+/**
+ * Updates the state of the Precomputed Join indices that are used by Rya.
+ */
+@DefaultAnnotation(NonNull.class)
+public class MongoPrecomputedJoinIndexer extends BasePcjIndexer {
--- End diff --
It appears this class does nothing. Is this just a stub class for when an
observer framework is in place?
> Mongo PCJ indexer support
> -------------------------
>
> Key: RYA-303
> URL: https://issues.apache.org/jira/browse/RYA-303
> Project: Rya
> Issue Type: Improvement
> Reporter: Andrew Smith
> Assignee: Andrew Smith
>
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