Github user meiercaleb commented on a diff in the pull request:
https://github.com/apache/incubator-rya/pull/177#discussion_r128042903
--- Diff:
extras/rya.periodic.service/periodic.service.notification/src/main/java/org/apache/rya/periodic/notification/processor/NotificationProcessorExecutor.java
---
@@ -0,0 +1,117 @@
+
+/*
+ * 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.periodic.notification.processor;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.log4j.Logger;
+import org.apache.rya.indexing.pcj.storage.PeriodicQueryResultStorage;
+import org.apache.rya.periodic.notification.api.LifeCycle;
+import org.apache.rya.periodic.notification.api.NodeBin;
+import org.apache.rya.periodic.notification.exporter.BindingSetRecord;
+import
org.apache.rya.periodic.notification.notification.TimestampedNotification;
+
+import com.google.common.base.Preconditions;
+
+/**
+ * Executor service that runs {@link TimestampedNotificationProcessor}s
with basic
+ * functionality for starting, stopping, and determining whether
notification processors are
+ * being executed.
+ *
+ */
+public class NotificationProcessorExecutor implements LifeCycle {
+
+ private static final Logger log =
Logger.getLogger(TimestampedNotificationProcessor.class);
+ private BlockingQueue<TimestampedNotification> notifications; //
notifications
+ private BlockingQueue<NodeBin> bins; // entries to delete from Fluo
+ private BlockingQueue<BindingSetRecord> bindingSets; // query results
to
+ // export
+ private PeriodicQueryResultStorage periodicStorage;
+ private List<TimestampedNotificationProcessor> processors;
+ private int numberThreads;
+ private ExecutorService executor;
+ private boolean running = false;
+
+ /**
+ * Creates NotificationProcessorExecutor.
+ * @param periodicStorage - storage layer that periodic results are
read from
+ * @param notifications - notifications are pulled from this queue,
and the timestamp indicates which bin of results to query for
+ * @param bins - after notifications are processed, they are added to
the bin to be deleted
+ * @param bindingSets - results read from the storage layer to be
exported
+ * @param numberThreads - number of threads used for processing
+ */
+ public NotificationProcessorExecutor(PeriodicQueryResultStorage
periodicStorage, BlockingQueue<TimestampedNotification> notifications,
+ BlockingQueue<NodeBin> bins, BlockingQueue<BindingSetRecord>
bindingSets, int numberThreads) {
+ Preconditions.checkNotNull(notifications);
+ Preconditions.checkNotNull(bins);
+ Preconditions.checkNotNull(bindingSets);
+ this.notifications = notifications;
--- End diff --
done
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