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https://issues.apache.org/jira/browse/STREAMS-197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14178868#comment-14178868
]
ASF GitHub Bot commented on STREAMS-197:
----------------------------------------
Github user robdouglas commented on a diff in the pull request:
https://github.com/apache/incubator-streams/pull/107#discussion_r19171663
--- Diff:
streams-runtimes/streams-runtime-local/src/main/java/org/apache/streams/local/counters/StreamsTaskCounter.java
---
@@ -0,0 +1,163 @@
+/*
+ * 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
+ *
+ * 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.streams.local.counters;
+
+import net.jcip.annotations.GuardedBy;
+import net.jcip.annotations.ThreadSafe;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.management.*;
+import java.lang.management.ManagementFactory;
+import java.util.concurrent.atomic.AtomicLong;
+
+/**
+ *
+ */
+@ThreadSafe
+public class StreamsTaskCounter implements StreamsTaskCounterMXBean{
+
+ public static final String NAME_TEMPLATE =
"org.apache.streams.local:type=StreamsTaskCounter,name=%s";
+ private static final Logger LOGGER =
LoggerFactory.getLogger(StreamsTaskCounter.class);
+
+ private AtomicLong emitted;
+ private AtomicLong received;
+ private AtomicLong errors;
+ private AtomicLong totalTime;
+ @GuardedBy("this")
+ private volatile long maxTime;
+
+ /**
+ *
+ * @param id
+ */
+ public StreamsTaskCounter(String id) {
+ this.emitted = new AtomicLong(0);
+ this.received = new AtomicLong(0);
+ this.errors = new AtomicLong(0);
+ this.totalTime = new AtomicLong(0);
+ this.maxTime = -1;
+ try {
--- End diff --
looks like this block gets reused, any chance it could be abstracted out to
a common interface?
> Implement New Counting Classes
> ------------------------------
>
> Key: STREAMS-197
> URL: https://issues.apache.org/jira/browse/STREAMS-197
> Project: Streams
> Issue Type: Sub-task
> Reporter: Ryan Ebanks
>
> Need to implement threadsafe classes that will count datums at the task level
> and process (prov/proc/writer) level.
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