Examples of org.helidb.txn.Transaction.commit()

org.helidb.txn.Transaction.commit()
Commit the transaction. This persists all changes made and ends it. Future calls to {@link #getCurrentTransactionOrNull()} by this threadwill return {@code null} until a new transaction is started. @throws IllegalStateException If this transaction has already beencommitted or rolled back. @throws UnableToCommitException If the transaction cannot be committedfor some reason. The exception message should contain the reason why.

        db.insert(3, 30L);
        txn.commit();


        txn = Transaction.startTransaction(false);
        db.delete(2);
        txn.commit();


        txn = Transaction.startTransaction(true);
        assertEquals(2, db.size());
        assertEquals(30L, db.get(3).longValue());
        assertEquals(10L, db.get(1).longValue());

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      try
      {
        db.insert(1, 10L);
        db.insert(2, 20L);
        db.insert(3, 30L);
        txn.commit();


        txn = Transaction.startTransaction(false);
        db.delete(2);
        txn.rollback();

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      Transaction txn = Transaction.startTransaction(false);
      try
      {
        db.insert(1, 10L);
        db.insert(2, 20L);
        txn.commit();


        txn = Transaction.startTransaction(false);
        db.update(1, 1000L);
        db.update(1, 10000L);
        txn.commit();

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        txn.commit();


        txn = Transaction.startTransaction(false);
        db.update(1, 1000L);
        db.update(1, 10000L);
        txn.commit();


        txn = Transaction.startTransaction(true);
        assertEquals(2, db.size());
        assertEquals(20L, db.get(2).longValue());
        assertEquals(10000L, db.get(1).longValue());

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      Transaction txn = Transaction.startTransaction(false);
      try
      {
        db.insert(1, 10L);
        db.insert(2, 20L);
        txn.commit();


        txn = Transaction.startTransaction(false);
        db.update(1, 100L);
        db.update(2, 200L);
        txn.commit();

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        txn.commit();


        txn = Transaction.startTransaction(false);
        db.update(1, 100L);
        db.update(2, 200L);
        txn.commit();


        txn = Transaction.startTransaction(false);
        db.update(1, 1000L);
        db.update(1, 10000L);
        txn.rollback();

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          injectCannotCommit(txn.getCollaborator(db2));


          try
          {
            txn.commit();
            fail();
          }
          catch (UnableToCommitException e)
          {
            assertTrue(e.getMessage().contains("inject"));

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  @Test
  public void testClearTransactionAtCommit()
  {
    Transaction txn = Transaction.startTransaction(false);
    assertSame(txn, Transaction.getCurrentTransaction());
    txn.commit();
    assertNull(Transaction.getCurrentTransactionOrNull());
  }


  @Test
  public void testClearTransactionAtRollback()

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    {
      db.fasterInsert("key1", "value1");
      db.fasterInsert("key10", "value10");
      assertEquals("value1", db.get("key1"));
      assertEquals("value10", db.get("key10"));
      txn.commit();
      successful = true;
    }
    finally
    {
      if (!successful)

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        assertNull(db.get("key11"));
      }
      finally
      {
        txn.commit();
      }


      txn = Transaction.startTransaction(true);
      try
      {

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