#9931

Committed 28 Aug 2023 02:32AM UTC coverage: 47.714% (-0.03%) from 47.739%

Build # #9931

Build Type

push

travis_ci

Committed by

web-flow

Commit Message

[IOTDB-6127] Pipe: buffered events in processor stage can not be consumed by connector (#10962) (#10963)

(cherry picked from commit 1ae952ce1)

Run Details

29 of 29 new or added lines in 7 files covered. (100.0%)

79971 of 167605 relevant lines covered (47.71%)

0.48 hits per line

Source File
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0.0

/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/task/connection/PipeEventCollector.java

/*
 * 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.iotdb.db.pipe.task.connection;

import org.apache.iotdb.db.pipe.event.EnrichedEvent;
import org.apache.iotdb.pipe.api.collector.EventCollector;
import org.apache.iotdb.pipe.api.event.Event;

import java.util.LinkedList;
import java.util.Queue;

public class PipeEventCollector implements EventCollector {

  private final BoundedBlockingPendingQueue<Event> pendingQueue;

  private final Queue<Event> bufferQueue;

  public PipeEventCollector(BoundedBlockingPendingQueue<Event> pendingQueue) {
    this.pendingQueue = pendingQueue;
    bufferQueue = new LinkedList<>();
  }

  @Override
  public synchronized void collect(Event event) {
    if (event instanceof EnrichedEvent) {
      ((EnrichedEvent) event).increaseReferenceCount(PipeEventCollector.class.getName());
    }

    while (!bufferQueue.isEmpty()) {
      final Event bufferedEvent = bufferQueue.peek();
      // Try to put already buffered events into pending queue, if pending queue is full, wait for
      // pending queue to be available with timeout.
      if (pendingQueue.waitedOffer(bufferedEvent)) {
        bufferQueue.poll();
      } else {
        bufferQueue.offer(event);
        return;
      }
    }

    if (!pendingQueue.waitedOffer(event)) {
      bufferQueue.offer(event);
    }
  }

  /**
   * Try to collect buffered events into pending queue.
   *
   * @return true if there are still buffered events after this operation, false otherwise.
   */
  public synchronized boolean tryCollectBufferedEvents() {
    while (!bufferQueue.isEmpty()) {
      final Event bufferedEvent = bufferQueue.peek();
      if (pendingQueue.waitedOffer(bufferedEvent)) {
        bufferQueue.poll();
      } else {
        return true;
      }
    }
    return false;
  }
}

1	/*
2	* Licensed to the Apache Software Foundation (ASF) under one
3	* or more contributor license agreements. See the NOTICE file
4	* distributed with this work for additional information
5	* regarding copyright ownership. The ASF licenses this file
6	* to you under the Apache License, Version 2.0 (the
7	* "License"); you may not use this file except in compliance
8	* with the License. You may obtain a copy of the License at
9	*
10	* http://www.apache.org/licenses/LICENSE-2.0
11	*
12	* Unless required by applicable law or agreed to in writing,
13	* software distributed under the License is distributed on an
14	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15	* KIND, either express or implied. See the License for the
16	* specific language governing permissions and limitations
17	* under the License.
18	*/
19
20	package org.apache.iotdb.db.pipe.task.connection;
21
22	import org.apache.iotdb.db.pipe.event.EnrichedEvent;
23	import org.apache.iotdb.pipe.api.collector.EventCollector;
24	import org.apache.iotdb.pipe.api.event.Event;
25
26	import java.util.LinkedList;
27	import java.util.Queue;
28
29	public class PipeEventCollector implements EventCollector {
30
31	private final BoundedBlockingPendingQueue<Event> pendingQueue;
32
33	private final Queue<Event> bufferQueue;
34
35	public PipeEventCollector(BoundedBlockingPendingQueue<Event> pendingQueue) {	×
36	this.pendingQueue = pendingQueue;	×
37	bufferQueue = new LinkedList<>();	×
38	}	×
39
40	@Override
41	public synchronized void collect(Event event) {
42	if (event instanceof EnrichedEvent) {	×
43	((EnrichedEvent) event).increaseReferenceCount(PipeEventCollector.class.getName());	×
44	}
45
46	while (!bufferQueue.isEmpty()) {	×
47	final Event bufferedEvent = bufferQueue.peek();	×
48	// Try to put already buffered events into pending queue, if pending queue is full, wait for
49	// pending queue to be available with timeout.
50	if (pendingQueue.waitedOffer(bufferedEvent)) {	×
51	bufferQueue.poll();	×
52	} else {
53	bufferQueue.offer(event);	×
54	return;	×
55	}
56	}	×
57
58	if (!pendingQueue.waitedOffer(event)) {	×
59	bufferQueue.offer(event);	×
60	}
61	}	×
62
63	/**
64	* Try to collect buffered events into pending queue.
65	*
66	* @return true if there are still buffered events after this operation, false otherwise.
67	*/
68	public synchronized boolean tryCollectBufferedEvents() {
69	while (!bufferQueue.isEmpty()) {	×
70	final Event bufferedEvent = bufferQueue.peek();	×
71	if (pendingQueue.waitedOffer(bufferedEvent)) {	×
72	bufferQueue.poll();	×
73	} else {
74	return true;	×
75	}
76	}	×
77	return false;	×
78	}
79	}

apache / iotdb / #9931

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