Package org.hornetq.core.persistence.impl.journal

Examples of org.hornetq.core.persistence.impl.journal.BatchingIDGenerator

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      journal.start();

      journal.load(new ArrayList<RecordInfo>(), new ArrayList<PreparedTransactionInfo>(), null);

      BatchingIDGenerator batch = new BatchingIDGenerator(0, 1000, journal);
      long id1 = batch.generateID();
      long id2 = batch.generateID();

      Assert.assertTrue(id2 > id1);

      journal.stop();
      batch = new BatchingIDGenerator(0, 1000, journal);
      loadIDs(journal, batch);

      long id3 = batch.generateID();

      Assert.assertEquals(1000, id3);

      long id4 = batch.generateID();

      Assert.assertTrue(id4 > id3 && id4 < 2000);

      batch.close();

      journal.stop();
      batch = new BatchingIDGenerator(0, 1000, journal);
      loadIDs(journal, batch);

      long id5 = batch.generateID();
      Assert.assertTrue(id5 > id4 && id5 < 2000);

      long lastId = id5;

      boolean close = true;
      for (int i = 0; i < 100000; i++)
      {
         if (i % 1000 == 0)
         {
            System.out.println("lastId = " + lastId);
            // interchanging closes and simulated crashes
            if (close)
            {
               batch.close();
            }

            close = !close;

            journal.stop();
            batch = new BatchingIDGenerator(0, 1000, journal);
            loadIDs(journal, batch);
         }

         long id = batch.generateID();

         Assert.assertTrue(id > lastId);

         lastId = id;
      }

      batch.close();
      journal.stop();
      batch = new BatchingIDGenerator(0, 1000, journal);
      loadIDs(journal, batch);

      lastId = batch.getCurrentID();

      journal.stop();
      batch = new BatchingIDGenerator(0, 1000, journal);
      loadIDs(journal, batch);

      Assert.assertEquals("No Ids were generated, so the currentID was supposed to stay the same",
                          lastId,
                          batch.getCurrentID());

   }
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      journal.start();

      journal.load(new ArrayList<RecordInfo>(), new ArrayList<PreparedTransactionInfo>(), null);

      BatchingIDGenerator batch = new BatchingIDGenerator(0, 1000, journal);
      long id1 = batch.generateID();
      long id2 = batch.generateID();

      Assert.assertTrue(id2 > id1);

      journal.stop();
      batch = new BatchingIDGenerator(0, 1000, journal);
      loadIDs(journal, batch);

      long id3 = batch.generateID();

      Assert.assertEquals(1000, id3);

      long id4 = batch.generateID();

      Assert.assertTrue(id4 > id3 && id4 < 2000);

      batch.close();

      journal.stop();
      batch = new BatchingIDGenerator(0, 1000, journal);
      loadIDs(journal, batch);

      long id5 = batch.generateID();
      Assert.assertTrue(id5 > id4 && id5 < 2000);

      long lastId = id5;

      boolean close = true;
      for (int i = 0; i < 100000; i++)
      {
         if (i % 1000 == 0)
         {
            System.out.println("lastId = " + lastId);
            // interchanging closes and simulated crashes
            if (close)
            {
               batch.close();
            }

            close = !close;

            journal.stop();
            batch = new BatchingIDGenerator(0, 1000, journal);
            loadIDs(journal, batch);
         }

         long id = batch.generateID();

         Assert.assertTrue(id > lastId);

         lastId = id;
      }

      batch.close();
      journal.stop();
      batch = new BatchingIDGenerator(0, 1000, journal);
      loadIDs(journal, batch);

      lastId = batch.getCurrentID();

      journal.stop();
      batch = new BatchingIDGenerator(0, 1000, journal);
      loadIDs(journal, batch);

      Assert.assertEquals("No Ids were generated, so the currentID was supposed to stay the same",
                          lastId,
                          batch.getCurrentID());
     
      journal.stop();

   }
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      journal.start();

      journal.load(new ArrayList<RecordInfo>(), new ArrayList<PreparedTransactionInfo>(), null);

      BatchingIDGenerator batch = new BatchingIDGenerator(0, 1000, journal);
      long id1 = batch.generateID();
      long id2 = batch.generateID();

      Assert.assertTrue(id2 > id1);

      journal.stop();
      batch = new BatchingIDGenerator(0, 1000, journal);
      loadIDs(journal, batch);

      long id3 = batch.generateID();

      Assert.assertEquals(1000, id3);

      long id4 = batch.generateID();

      Assert.assertTrue(id4 > id3 && id4 < 2000);

      batch.close();

      journal.stop();
      batch = new BatchingIDGenerator(0, 1000, journal);
      loadIDs(journal, batch);

      long id5 = batch.generateID();
      Assert.assertTrue(id5 > id4 && id5 < 2000);

      long lastId = id5;

      boolean close = true;
      for (int i = 0; i < 100000; i++)
      {
         if (i % 1000 == 0)
         {
            System.out.println("lastId = " + lastId);
            // interchanging closes and simulated crashes
            if (close)
            {
               batch.close();
            }

            close = !close;

            journal.stop();
            batch = new BatchingIDGenerator(0, 1000, journal);
            loadIDs(journal, batch);
         }

         long id = batch.generateID();

         Assert.assertTrue(id > lastId);

         lastId = id;
      }

      batch.close();
      journal.stop();
      batch = new BatchingIDGenerator(0, 1000, journal);
      loadIDs(journal, batch);

      lastId = batch.getCurrentID();

      journal.stop();
      batch = new BatchingIDGenerator(0, 1000, journal);
      loadIDs(journal, batch);

      Assert.assertEquals("No Ids were generated, so the currentID was supposed to stay the same",
                          lastId,
                          batch.getCurrentID());

      journal.stop();

   }
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Related Classes of org.hornetq.core.persistence.impl.journal.BatchingIDGenerator

  • org.hornetq.tests.unit.core.persistence.impl.BatchIDGeneratorUnitTest
  • java.util.concurrent.atomic.AtomicLong
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