Github user apiri commented on a diff in the pull request:
https://github.com/apache/nifi-minifi/pull/46#discussion_r84304728
--- Diff:
minifi-bootstrap/src/main/java/org/apache/nifi/minifi/bootstrap/status/PeriodicStatusReporter.java
---
@@ -0,0 +1,81 @@
+/*
+ * 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.nifi.minifi.bootstrap.status;
+
+import org.apache.nifi.minifi.bootstrap.QueryableStatusAggregator;
+
+import java.util.Properties;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+
+public abstract class PeriodicStatusReporter {
+
+ private final ScheduledThreadPoolExecutor scheduledExecutorService =
new ScheduledThreadPoolExecutor(1);
+
+ private volatile int period = -1;
+ private volatile int termination_wait = 5000;
+
+ public volatile Runnable reportRunner;
+
+ /**
+ * Provides an opportunity for the implementation to perform
configuration and initialization based on properties received from the
bootstrapping configuration.
+ *
+ * @param properties from the bootstrap configuration
+ */
+ public abstract void initialize(Properties properties,
QueryableStatusAggregator queryableStatusAggregator);
+
+ /**
+ * Begins the associated reporting service provided by the given
implementation. In most implementations, no action will occur until this
method is invoked. The implementing class must have set
+ * 'reportRunner' prior to this method being called.
+ *
+ */
+ public void start() {
+ if (reportRunner == null){
+ throw new IllegalStateException("Programmatic error, the
reportRunner has is still NULL when 'start' was called.");
--- End diff --
minor: has is -> is
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