Github user meiercaleb commented on a diff in the pull request:
https://github.com/apache/incubator-rya/pull/240#discussion_r145811793
--- Diff:
extras/rya.pcj.fluo/pcj.fluo.app/src/main/java/org/apache/rya/indexing/pcj/fluo/app/util/AggregationStateMetadataVisitor.java
---
@@ -0,0 +1,74 @@
+/*
+ * 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.fluo.app.util;
+
+import static jline.internal.Preconditions.checkNotNull;
+
+import org.apache.rya.indexing.pcj.fluo.app.query.CommonNodeMetadataImpl;
+import org.apache.rya.indexing.pcj.fluo.app.query.ConstructQueryMetadata;
+import org.apache.rya.indexing.pcj.fluo.app.query.FilterMetadata;
+import org.apache.rya.indexing.pcj.fluo.app.query.FluoQuery;
+import org.apache.rya.indexing.pcj.fluo.app.query.JoinMetadata;
+import org.apache.rya.indexing.pcj.fluo.app.query.PeriodicQueryMetadata;
+import org.apache.rya.indexing.pcj.fluo.app.query.ProjectionMetadata;
+import org.apache.rya.indexing.pcj.fluo.app.query.QueryMetadata;
+
+/**
+ * This builder visitor inserts the aggregation metadata into all of its
+ * ancestors.
+ */
+public class AggregationStateMetadataVisitor extends StopNodeVisitor {
+
+ private CommonNodeMetadataImpl aggStateMeta;
+
+ public AggregationStateMetadataVisitor(FluoQuery.Builder
fluoQueryBuilder, String stopNodeId, CommonNodeMetadataImpl aggStateMeta) {
+ super(fluoQueryBuilder, stopNodeId);
+ this.aggStateMeta = checkNotNull(aggStateMeta);
+ }
+
+ public void visit(QueryMetadata.Builder builder) {
--- End diff --
Done
---
