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https://issues.apache.org/jira/browse/RYA-303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16319136#comment-16319136
]
ASF GitHub Bot commented on RYA-303:
------------------------------------
Github user kchilton2 commented on a diff in the pull request:
https://github.com/apache/incubator-rya/pull/172#discussion_r160517663
--- Diff:
extras/indexing/src/main/java/org/apache/rya/indexing/pcj/matching/provider/AbstractPcjIndexSetProvider.java
---
@@ -0,0 +1,160 @@
+/*
+ * 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.pcj.matching.provider;
+
+import static java.util.Objects.requireNonNull;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.log4j.Logger;
+import org.apache.rya.api.instance.RyaDetails;
+import
org.apache.rya.indexing.IndexPlanValidator.IndexedExecutionPlanGenerator;
+import
org.apache.rya.indexing.IndexPlanValidator.ValidIndexCombinationGenerator;
+import org.apache.rya.indexing.external.matching.ExternalSetProvider;
+import org.apache.rya.indexing.external.matching.QuerySegment;
+import org.apache.rya.indexing.external.tupleSet.ExternalTupleSet;
+import org.apache.rya.indexing.pcj.matching.PCJOptimizerUtilities;
+import org.apache.rya.indexing.pcj.matching.PCJToSegmentConverter;
+import org.openrdf.query.algebra.TupleExpr;
+
+import com.google.common.annotations.VisibleForTesting;
+
+/**
+ * Abstraction of {@link ExternalSetProvider} that provides {@link
ExternalTupleSet}s.
+ * Implementations of this use either user specified configuration
information or user a specified
--- End diff --
or [a] user specified
> 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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