Examples of TransactionReaper

com.arjuna.ats.arjuna.coordinator.TransactionReaper
Class to record transactions with non-zero timeout values, and class to implement a transaction reaper thread which terminates these transactions once their timeout elapses. @author Mark Little (mark@arjuna.com) @version $Id: TransactionReaper.java 2342 2006-03-30 13:06:17Z $ @since JTS 1.0. @message com.arjuna.ats.arjuna.coordinator.TransactionReaper_1[com.arjuna.ats.arjuna.coordinator.TransactionReaper_1] - TransactionReaper - could not create transaction list. Out of memory. @message com.arjuna.ats.arjuna.coordinator.TransactionReaper_2[com.arjuna.ats.arjuna.coordinator.TransactionReaper_2] - TransactionReaper::check - comparing {0} @message com.arjuna.ats.arjuna.coordinator.TransactionReaper_3[com.arjuna.ats.arjuna.coordinator.TransactionReaper_3] - TransactionReaper::check - rollback for {0} @message com.arjuna.ats.arjuna.coordinator.TransactionReaper_4[com.arjuna.ats.arjuna.coordinator.TransactionReaper_4] - TransactionReaper failed to force rollback on {0} @message com.arjuna.ats.arjuna.coordinator.TransactionReaper_5[com.arjuna.ats.arjuna.coordinator.TransactionReaper_5] - TransactionReaper failed to force rollback_only on {0} @message com.arjuna.ats.arjuna.coordinator.TransactionReaper_6[com.arjuna.ats.arjuna.coordinator.TransactionReaper_6] - TransactionReaper::getTimeout for {0} returning {1}

Examples of com.arjuna.ats.arjuna.coordinator.TransactionReaper

          {
            TransactionInfo info = new TransactionInfo();


            info.currentDepth = ctx.getImplHandle().getHierarchy().depth();


            TransactionReaper reaper = TransactionReaper.transactionReaper();


            info.timeout = reaper.getTimeout(ctx);


            info.numberOfThreads = ctx.getImplHandle().activeThreads();


            return info;
          }

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Examples of com.arjuna.ats.arjuna.coordinator.TransactionReaper

    
    // add this transaction to the reaper list.
    
    if (timeout > 0)
    {
      TransactionReaper reaper = TransactionReaper.transactionReaper(true);
      
      reaper.insert(super.getControlWrapper(), timeout);
    }
  }

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Examples of com.arjuna.ats.arjuna.coordinator.TransactionReaper

        /*
         * Currently we do not remove controls from the list once they
         * have terminated. We should to save time and space!
         */


        TransactionReaper reaper = TransactionReaper.transactionReaper();


        if (reaper == null)
          reaper = TransactionReaper.create();


        reaper.insert(new ControlWrapper((ControlImple) tranControl), theTimeout);
      }


      return tranControl;
    }
    catch (OutOfMemoryError e)

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Examples of com.arjuna.ats.arjuna.coordinator.TransactionReaper

    else
      info.averageLifetime = (float) 0.0;


    info.numberOfHeuristics = com.arjuna.ats.arjuna.coordinator.TxStats.numberOfHeuristics();


    TransactionReaper reaper = TransactionReaper.transactionReaper();


    if (reaper == null)
      info.reaperTimeout = 0;
    else
      info.reaperTimeout = (int) reaper.checkingPeriod();


    info.defaultTimeout = TransactionFactoryImple._defaultTimeout;


    return info;
  }

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Examples of com.arjuna.ats.arjuna.coordinator.TransactionReaper

          {
            TransactionInfo info = new TransactionInfo();


            info.currentDepth = ctx.getImplHandle().getHierarchy().depth();


            TransactionReaper reaper = TransactionReaper.transactionReaper();


            /*
             * If the reaper has not been created yet, then all
             * transactions so far must have 0 timeout.
             */


            if (reaper == null)
              info.timeout = 0;
            else
              info.timeout = (int) reaper.getTimeout(ctx);


            info.numberOfThreads = ctx.getImplHandle().activeThreads();


            return info;
          }

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Examples of com.arjuna.ats.arjuna.coordinator.TransactionReaper

     * interposition classes we add the hierarchy to the reaper list.
     */


    if ((time_out != 0) && (parentImpl == null))
    {
      TransactionReaper reaper = TransactionReaper.transactionReaper();


      if (reaper == null)
        reaper = TransactionReaper.create();


      reaper.insert(new ServerControlWrapper((ControlImple) tranControl), time_out);
    }


    return tranControl;
  }

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Examples of com.arjuna.ats.arjuna.coordinator.TransactionReaper


  public void testReaper() throws Exception {


    // test set+readback of interval
    TransactionReaper.create(100);
    TransactionReaper reaper = TransactionReaper.transactionReaper();
    assertEquals(100, reaper.checkingPeriod());




    Reapable reapable = new MockReapable(new Uid());
    Reapable reapable2 = new MockReapable(new Uid());
    Reapable reapable3 = new MockReapable(new Uid());


    ReaperElement reaperElement = new ReaperElement(reapable, 30);
    ReaperElement reaperElement2 = new ReaperElement(reapable2, 20);
    ReaperElement reaperElement3 = new ReaperElement(reapable3, 10);


    // test that ordering is by timeout, regardless of insertion order
    SortedSet sortedSet = new TreeSet();
    sortedSet.add(reaperElement);
    sortedSet.add(reaperElement3);
    sortedSet.add(reaperElement2);


    assertEquals(sortedSet.first(), reaperElement3);
    assertEquals(sortedSet.last(), reaperElement);


    // test insertion of timeout=0 is a nullop
    assertTrue(reaper.insert(reapable, 0));
    assertEquals(0, reaper.numberOfTransactions());
                assertEquals(0, reaper.numberOfTimeouts());
    assertFalse(reaper.remove(reapable));


    // test that duplicate insertion fails
    assertTrue(reaper.insert(reapable, 10));
    assertFalse(reaper.insert(reapable, 10));
    assertEquals(1, reaper.numberOfTransactions());
                assertEquals(1, reaper.numberOfTimeouts());
    assertTrue(reaper.remove(reapable));
    assertEquals(0, reaper.numberOfTransactions());
                assertEquals(0, reaper.numberOfTimeouts());


    // test that timeout change fails
    assertTrue(reaper.insert(reapable, 10));
    assertFalse(reaper.insert(reapable, 20));
    assertEquals(1, reaper.numberOfTransactions());
                assertEquals(1, reaper.numberOfTimeouts());
                assertEquals(10, reaper.getTimeout(reapable));
    assertTrue(reaper.remove(reapable));
                assertEquals(0, reaper.numberOfTransactions());
                assertEquals(0, reaper.numberOfTimeouts());


    // test reaping
    reaper.insert(reapable, 1); // seconds
    reaper.insert(reapable2, 5);
                assertEquals(2, reaper.numberOfTransactions());
                assertEquals(2, reaper.numberOfTimeouts());
    reaper.check();
                assertEquals(2, reaper.numberOfTransactions());
    Thread.sleep(2*1000);
    reaper.check();
                assertEquals(1, reaper.numberOfTransactions());
                assertEquals(1, reaper.numberOfTimeouts());
    Thread.sleep(4*1000);
    reaper.check();
                assertEquals(0, reaper.numberOfTransactions());
                assertEquals(0, reaper.numberOfTimeouts());


  }

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