Package com.yahoo.omid.tso.messages

Examples of com.yahoo.omid.tso.messages.TimestampRequest

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   @Test
   public void testCommitQuery() throws Exception {
      // Disable auto full abort for testing every commit query request case
      clientHandler.setAutoFullAbort(false);

      clientHandler.sendMessage(new TimestampRequest());
      clientHandler.receiveBootstrap();
      TimestampResponse tr1 = clientHandler.receiveMessage(TimestampResponse.class);

      clientHandler.sendMessage(new TimestampRequest());
      TimestampResponse tr2 = clientHandler.receiveMessage(TimestampResponse.class);
      assertTrue(tr2.timestamp > tr1.timestamp);

      //
      // Test Commit query of uncommitted transaction
      //
      clientHandler.sendMessage(new CommitQueryRequest(tr2.timestamp, tr1.timestamp));
      CommitQueryResponse cqr1 = clientHandler.receiveMessage(CommitQueryResponse.class);
      assertFalse(cqr1.committed);
      assertFalse(cqr1.retry);

      clientHandler.sendMessage(new CommitRequest(tr1.timestamp, new RowKey[] { r1 }));
      CommitResponse cr1 = clientHandler.receiveMessage(CommitResponse.class);
      assertTrue(cr1.committed);
      assertTrue(cr1.commitTimestamp > tr1.timestamp);
      assertEquals(tr1.timestamp, cr1.startTimestamp);

      //
      // Test Commit query of concurrent committed transaction
      //
      clientHandler.sendMessage(new CommitQueryRequest(tr2.timestamp, tr1.timestamp));
      CommitQueryResponse cqr2 = clientHandler.receiveMessage(CommitQueryResponse.class);
      assertFalse(cqr2.committed);
      assertFalse(cqr2.retry);

      clientHandler.sendMessage(new CommitRequest(tr2.timestamp, new RowKey[] { r1, r2 }));
      CommitResponse cr2 = clientHandler.receiveMessage(CommitResponse.class);
      assertFalse(cr2.committed);

      // Queued reports
      clientHandler.sendMessage(new TimestampRequest());
      clientHandler.receiveMessage(CommittedTransactionReport.class);
      clientHandler.receiveMessage(AbortedTransactionReport.class);

      TimestampResponse tr3 = clientHandler.receiveMessage(TimestampResponse.class);
      assertTrue(tr3.timestamp > tr2.timestamp);
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public class TestCommit extends TSOTestBase {
  
   @Test
   public void testCommit() throws Exception {
      clientHandler.sendMessage(new TimestampRequest());
      clientHandler.receiveBootstrap();
      TimestampResponse tr1 = clientHandler.receiveMessage(TimestampResponse.class);

      clientHandler.sendMessage(new CommitRequest(tr1.timestamp));
      CommitResponse cr1 = clientHandler.receiveMessage(CommitResponse.class);
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public class TestBasicTransaction extends TSOTestBase {

   @Test
   public void testConflicts() throws IOException, InterruptedException {
      clientHandler.sendMessage(new TimestampRequest());
      clientHandler.receiveBootstrap();
      TimestampResponse tr1 = clientHandler.receiveMessage(TimestampResponse.class);

      clientHandler.sendMessage(new TimestampRequest());
      TimestampResponse tr2 = clientHandler.receiveMessage(TimestampResponse.class);

      clientHandler.sendMessage(new CommitRequest(tr1.timestamp, new RowKey[] { r1 }));
      CommitResponse cr1 = clientHandler.receiveMessage(CommitResponse.class);
      assertTrue(cr1.committed);
      assertEquals(tr1.timestamp, cr1.startTimestamp);

      clientHandler.sendMessage(new CommitRequest(tr2.timestamp, new RowKey[] { r1, r2 }));
      CommitResponse cr2 = clientHandler.receiveMessage(CommitResponse.class);
      assertFalse(cr2.committed);

      // TODO fix this. Commiting an already committed value (either failed or commited) should fail
      // FIXME to do this.
//      clientHandler.sendMessage(new CommitRequest(tr1.timestamp, new RowKey[] { r2 }));
//      messageReceived = clientHandler.receiveMessage();
//      assertThat(messageReceived, is(CommitResponse.class));
//      CommitResponse cr3 = (CommitResponse) messageReceived;
//      assertFalse(cr3.committed);
     
      clientHandler.sendMessage(new TimestampRequest());
      // Pending commit report
      CommittedTransactionReport ctr1 = clientHandler.receiveMessage(CommittedTransactionReport.class);
      assertEquals(cr1.startTimestamp, ctr1.startTimestamp);
      assertEquals(cr1.commitTimestamp, ctr1.commitTimestamp);
      // Aborted transaction report
      AbortedTransactionReport atr = clientHandler.receiveMessage(AbortedTransactionReport.class);
      assertEquals(cr2.startTimestamp, atr.startTimestamp);
      // Full Abort report
      CleanedTransactionReport cltr = clientHandler.receiveMessage(CleanedTransactionReport.class);
      assertEquals(cr2.startTimestamp, cltr.startTimestamp);
     
      TimestampResponse tr3 = clientHandler.receiveMessage(TimestampResponse.class);

      clientHandler.sendMessage(new CommitRequest(tr3.timestamp, new RowKey[] { r1, r2 }));
      CommitResponse cr3 = clientHandler.receiveMessage(CommitResponse.class);
      assertTrue(cr3.committed);
      assertEquals(tr3.timestamp, cr3.startTimestamp);

      clientHandler.sendMessage(new TimestampRequest());

      // Pending commit report
      CommittedTransactionReport ctr3 = clientHandler.receiveMessage(CommittedTransactionReport.class);
      assertEquals(cr3.startTimestamp, ctr3.startTimestamp);
      assertEquals(cr3.commitTimestamp, ctr3.commitTimestamp);
     
      TimestampResponse tr4 = clientHandler.receiveMessage(TimestampResponse.class);

      clientHandler.sendMessage(new CommitRequest(tr4.timestamp, new RowKey[] { r2 }));
      CommitResponse cr4 = clientHandler.receiveMessage(CommitResponse.class);
      assertTrue(cr4.committed);
      assertEquals(tr4.timestamp, cr4.startTimestamp);
     
      // Fetch commit report
      clientHandler.sendMessage(new TimestampRequest());
      clientHandler.receiveMessage(CommittedTransactionReport.class);
      clientHandler.receiveMessage(TimestampResponse.class);
   }
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public class TestConflict extends TSOTestBase {

   @Test
   public void testConflict() throws Exception {
      clientHandler.sendMessage(new TimestampRequest());
      clientHandler.receiveBootstrap();
      TimestampResponse tr1 = clientHandler.receiveMessage(TimestampResponse.class);

      clientHandler.sendMessage(new TimestampRequest());
      TimestampResponse tr2 = clientHandler.receiveMessage(TimestampResponse.class);
      assertTrue(tr2.timestamp > tr1.timestamp);

      clientHandler.sendMessage(new CommitRequest(tr1.timestamp, new RowKey[] { r1 }));
      CommitResponse cr1 = clientHandler.receiveMessage(CommitResponse.class);
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public class TestMultipleCommitsWithoutConflict extends TSOTestBase {

   @Test
   public void testMultipleCommitsWithoutConflict() throws Exception {
      clientHandler.sendMessage(new TimestampRequest());
      clientHandler.receiveBootstrap();
      TimestampResponse tr1 = clientHandler.receiveMessage(TimestampResponse.class);

      clientHandler.sendMessage(new CommitRequest(tr1.timestamp, new RowKey[] { r1 }));
      CommitResponse cr1 = clientHandler.receiveMessage(CommitResponse.class);
      assertTrue(cr1.committed);
      assertTrue(cr1.commitTimestamp > tr1.timestamp);
      assertEquals(tr1.timestamp, cr1.startTimestamp);

      // Queued commit report
      clientHandler.sendMessage(new TimestampRequest());
      clientHandler.receiveMessage(CommittedTransactionReport.class);
     
      TimestampResponse tr2 = clientHandler.receiveMessage(TimestampResponse.class);
      assertTrue(tr2.timestamp > tr1.timestamp);

      clientHandler.sendMessage(new CommitRequest(tr2.timestamp, new RowKey[] { r1, r2 }));
      CommitResponse cr2 = clientHandler.receiveMessage(CommitResponse.class);
      assertTrue(cr2.committed);
      assertTrue(cr2.commitTimestamp > tr2.timestamp);
      assertEquals(tr2.timestamp, cr2.startTimestamp);

      // Queued commit report
      clientHandler.sendMessage(new TimestampRequest());
      clientHandler.receiveMessage(CommittedTransactionReport.class);
     
      TimestampResponse tr3 = clientHandler.receiveMessage(TimestampResponse.class);
      assertTrue(tr3.timestamp > tr1.timestamp);
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            try {
                synchronized (createCallbacks) {
                    createCallbacks.add(cb);
                }

                TimestampRequest tr = new TimestampRequest();
                ChannelFuture f = channel.write(tr);
                f.addListener(new ChannelFutureListener() {
                    public void operationComplete(ChannelFuture future) {
                        if (!future.isSuccess()) {
                            error(new IOException("Error writing to socket"));
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   }
  
   @After
   public void teardownTSO() throws Exception {
    
      clientHandler.sendMessage(new TimestampRequest());
      while (!(clientHandler.receiveMessage() instanceof TimestampResponse))
         ; // Do nothing
      clientHandler.clearMessages();
      clientHandler.setAutoFullAbort(true);
      secondClientHandler.sendMessage(new TimestampRequest());
      while (!(secondClientHandler.receiveMessage() instanceof TimestampResponse))
         ; // Do nothing
      secondClientHandler.clearMessages();
      secondClientHandler.setAutoFullAbort(true);
     
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public class TestBasicTransaction extends TSOTestBase {

   @Test
   public void testConflicts() throws IOException, InterruptedException {
      clientHandler.sendMessage(new TimestampRequest());
      clientHandler.receiveBootstrap();
      TimestampResponse tr1 = clientHandler.receiveMessage(TimestampResponse.class);

      clientHandler.sendMessage(new TimestampRequest());
      TimestampResponse tr2 = clientHandler.receiveMessage(TimestampResponse.class);

      clientHandler.sendMessage(new CommitRequest(tr1.timestamp, new RowKey[] { r1 }));
      CommitResponse cr1 = clientHandler.receiveMessage(CommitResponse.class);
      assertTrue(cr1.committed);
      assertEquals(tr1.timestamp, cr1.startTimestamp);

      clientHandler.sendMessage(new CommitRequest(tr2.timestamp, new RowKey[] { r1, r2 }));
      CommitResponse cr2 = clientHandler.receiveMessage(CommitResponse.class);
      assertFalse(cr2.committed);

      // TODO fix this. Commiting an already committed value (either failed or commited) should fail
      // FIXME to do this.
//      clientHandler.sendMessage(new CommitRequest(tr1.timestamp, new RowKey[] { r2 }));
//      messageReceived = clientHandler.receiveMessage();
//      assertThat(messageReceived, is(CommitResponse.class));
//      CommitResponse cr3 = (CommitResponse) messageReceived;
//      assertFalse(cr3.committed);
     
      clientHandler.sendMessage(new TimestampRequest());
      // Pending commit report
      CommittedTransactionReport ctr1 = clientHandler.receiveMessage(CommittedTransactionReport.class);
      assertEquals(cr1.startTimestamp, ctr1.startTimestamp);
      assertEquals(cr1.commitTimestamp, ctr1.commitTimestamp);
      // Aborted transaction report
      AbortedTransactionReport atr = clientHandler.receiveMessage(AbortedTransactionReport.class);
      assertEquals(cr2.startTimestamp, atr.startTimestamp);
      // Full Abort report
      CleanedTransactionReport cltr = clientHandler.receiveMessage(CleanedTransactionReport.class);
      assertEquals(cr2.startTimestamp, cltr.startTimestamp);
     
      TimestampResponse tr3 = clientHandler.receiveMessage(TimestampResponse.class);

      clientHandler.sendMessage(new CommitRequest(tr3.timestamp, new RowKey[] { r1, r2 }));
      CommitResponse cr3 = clientHandler.receiveMessage(CommitResponse.class);
      assertTrue(cr3.committed);
      assertEquals(tr3.timestamp, cr3.startTimestamp);

      clientHandler.sendMessage(new TimestampRequest());

      // Pending commit report
      CommittedTransactionReport ctr3 = clientHandler.receiveMessage(CommittedTransactionReport.class);
      assertEquals(cr3.startTimestamp, ctr3.startTimestamp);
      assertEquals(cr3.commitTimestamp, ctr3.commitTimestamp);
     
      TimestampResponse tr4 = clientHandler.receiveMessage(TimestampResponse.class);

      clientHandler.sendMessage(new CommitRequest(tr4.timestamp, new RowKey[] { r2 }));
      CommitResponse cr4 = clientHandler.receiveMessage(CommitResponse.class);
      assertTrue(cr4.committed);
      assertEquals(tr4.timestamp, cr4.startTimestamp);
     
      // Fetch commit report
      clientHandler.sendMessage(new TimestampRequest());
      clientHandler.receiveMessage(CommittedTransactionReport.class);
      clientHandler.receiveMessage(TimestampResponse.class);
   }
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            if (LOG.isTraceEnabled()) {
                LOG.trace("Decoding message : " + type);
            }
            switch (type) {
            case TSOMessage.TimestampRequest:
                msg = new TimestampRequest();
                break;
            case TSOMessage.TimestampResponse:
                msg = new TimestampResponse();
                break;
            case TSOMessage.CommitRequest:
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Related Classes of com.yahoo.omid.tso.messages.TimestampRequest

  • com.yahoo.omid.client.TSOClient$NewTimestampOp
  • com.yahoo.omid.tso.serialization.TSODecoder
  • com.yahoo.omid.tso.TestBasicTransaction
  • com.yahoo.omid.tso.TestCommit
  • com.yahoo.omid.tso.TestCommitAbortedReport
  • com.yahoo.omid.tso.TestCommitQuery
  • com.yahoo.omid.tso.TestCommitReport
  • com.yahoo.omid.tso.TestConflict
  • com.yahoo.omid.tso.TestMultipleCommitsWithoutConflict
  • com.yahoo.omid.tso.TestPersistence
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