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

org.helidb.txn.Transaction.rollback()
Roll back the transaction. This discards 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.

        assertEquals("value1", db.get("key1"));
        assertEquals("value10", db.get("key10"));
      }
      finally
      {
        txn.rollback();
      }
    }
    finally
    {
      tearDownDatabase(db);

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        assertEquals("value1", db.get("key1"));
        assertEquals("value10", db.get("key10"));
      }
      finally
      {
        txn.rollback();
      }


      txn = Transaction.startTransaction(true);
      try
      {

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        assertNull(db.get("key1"));
        assertNull(db.get("key10"));
      }
      finally
      {
        txn.rollback();
      }
    }
    finally
    {
      tearDownDatabase(db);

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      {
        assertEquals("value1", db.get("key1"));
      }
      finally
      {
        txn.rollback();
      }
    }
    finally
    {
      tearDownDatabase(db);

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

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      }
      finally
      {
        if (!committed)
        {
          txn.rollback();
        }
      }
    }
    finally
    {

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        tearDownDatabase(db);
        destroyed = true;
        committed = true;
        try
        {
          txn.rollback();
        }
        catch (IllegalStateException e)
        {
          // ok
        }

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      }
      finally
      {
        if (!committed)
        {
          txn.rollback();
        }
      }
    }
    finally
    {

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        assertEquals("value 2", db.get("key 2"));
        assertEquals("value 1", db.get("key 1"));
      }
      finally
      {
        txn.rollback();
      }
    }
    finally
    {
      tearDownDatabase(db);

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        txn.commit();


        txn = Transaction.startTransaction(false);
        db.insert("key 3", "value 3");
        db.insert("key 4", "value 4");
        txn.rollback();


        txn = Transaction.startTransaction(true);
        assertEquals(2, db.size());
        assertEquals("value 2", db.get("key 2"));
        assertEquals("value 1", db.get("key 1"));

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