#9683

pending completion

Build # #9683

Build Type

push

travis_ci

Committed by

web-flow

Commit Message

[IOTDB-6043] Pipe: a framework to support wal hardlink mode (#10440)

Co-authored-by: Steve Yurong Su <rong@apache.org>

Run Details

150 of 150 new or added lines in 17 files covered. (100.0%)

79218 of 164968 relevant lines covered (48.02%)

0.48 hits per line

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93.33

/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/resource/PipeResourceManager.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.resource;

import org.apache.iotdb.commons.pipe.config.PipeConfig;
import org.apache.iotdb.db.pipe.resource.tsfile.PipeTsFileResourceManager;
import org.apache.iotdb.db.pipe.resource.wal.PipeWALResourceManager;
import org.apache.iotdb.db.pipe.resource.wal.hardlink.PipeWALHardlinkResourceManager;
import org.apache.iotdb.db.pipe.resource.wal.selfhost.PipeWALSelfHostResourceManager;

import java.util.concurrent.atomic.AtomicReference;

public class PipeResourceManager {

  private final PipeTsFileResourceManager pipeTsFileResourceManager;
  private final AtomicReference<PipeWALResourceManager> pipeWALResourceManager;

  public static PipeTsFileResourceManager tsfile() {
    return PipeResourceManagerHolder.INSTANCE.pipeTsFileResourceManager;
  }

  public static PipeWALResourceManager wal() {
    if (PipeResourceManagerHolder.INSTANCE.pipeWALResourceManager.get() == null) {
      synchronized (PipeResourceManagerHolder.INSTANCE) {
        if (PipeResourceManagerHolder.INSTANCE.pipeWALResourceManager.get() == null) {
          PipeResourceManagerHolder.INSTANCE.pipeWALResourceManager.set(
              PipeConfig.getInstance().getPipeHardLinkWALEnabled()
                  ? new PipeWALHardlinkResourceManager()
                  : new PipeWALSelfHostResourceManager());
        }
      }
    }
    return PipeResourceManagerHolder.INSTANCE.pipeWALResourceManager.get();
  }

  ///////////////////////////// SINGLETON /////////////////////////////

  private PipeResourceManager() {
    pipeTsFileResourceManager = new PipeTsFileResourceManager();
    pipeWALResourceManager = new AtomicReference<>();
  }

  private static class PipeResourceManagerHolder {
    private static final PipeResourceManager INSTANCE = new PipeResourceManager();
  }
}

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.resource;
21
22	import org.apache.iotdb.commons.pipe.config.PipeConfig;
23	import org.apache.iotdb.db.pipe.resource.tsfile.PipeTsFileResourceManager;
24	import org.apache.iotdb.db.pipe.resource.wal.PipeWALResourceManager;
25	import org.apache.iotdb.db.pipe.resource.wal.hardlink.PipeWALHardlinkResourceManager;
26	import org.apache.iotdb.db.pipe.resource.wal.selfhost.PipeWALSelfHostResourceManager;
27
28	import java.util.concurrent.atomic.AtomicReference;
29
30	public class PipeResourceManager {
31
32	private final PipeTsFileResourceManager pipeTsFileResourceManager;
33	private final AtomicReference<PipeWALResourceManager> pipeWALResourceManager;
34
35	public static PipeTsFileResourceManager tsfile() {
36	return PipeResourceManagerHolder.INSTANCE.pipeTsFileResourceManager;	1✔
37	}
38
39	public static PipeWALResourceManager wal() {
40	if (PipeResourceManagerHolder.INSTANCE.pipeWALResourceManager.get() == null) {	1✔
41	synchronized (PipeResourceManagerHolder.INSTANCE) {	1✔
42	if (PipeResourceManagerHolder.INSTANCE.pipeWALResourceManager.get() == null) {	1✔
43	PipeResourceManagerHolder.INSTANCE.pipeWALResourceManager.set(	1✔
44	PipeConfig.getInstance().getPipeHardLinkWALEnabled()	1✔
45	? new PipeWALHardlinkResourceManager()	×
46	: new PipeWALSelfHostResourceManager());	1✔
47	}
48	}	1✔
49	}
50	return PipeResourceManagerHolder.INSTANCE.pipeWALResourceManager.get();	1✔
51	}
52
53	///////////////////////////// SINGLETON /////////////////////////////
54
55	private PipeResourceManager() {	1✔
56	pipeTsFileResourceManager = new PipeTsFileResourceManager();	1✔
57	pipeWALResourceManager = new AtomicReference<>();	1✔
58	}	1✔
59
60	private static class PipeResourceManagerHolder {
61	private static final PipeResourceManager INSTANCE = new PipeResourceManager();	1✔
62	}
63	}

apache / iotdb / #9683

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