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("key 3", "value 3");
        txn.commit();


        txn = Transaction.startTransaction(false);
        db.compact();
        txn.commit();


        txn = Transaction.startTransaction(true);
        assertEquals(2, db.size());
        assertEquals("value 3", db.get("key 3"));
        assertEquals("value 2", db.get("key 2"));

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      Transaction txn = Transaction.startTransaction(false);
      try
      {
        db.insert("key 1", "value 1");
        db.insert("key 2", "value 2");
        txn.commit();


        txn = Transaction.startTransaction(false);
        db.delete("key 1");
        db.insert("key 3", "value 3");
        txn.commit();

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        txn.commit();


        txn = Transaction.startTransaction(false);
        db.delete("key 1");
        db.insert("key 3", "value 3");
        txn.commit();


        txn = Transaction.startTransaction(false);
        db.compact();
        txn.rollback();

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      try
      {
        db.insert("key 1", "value 1");
        db.insert("key 2", "value 2");
        db.insert("key 3", "value 3");
        txn.commit();


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

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        db.insert("key 3", "value 3");
        txn.commit();


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


        txn = Transaction.startTransaction(true);
        assertEquals(2, db.size());
        assertEquals("value 3", db.get("key 3"));
        assertEquals("value 1", db.get("key 1"));

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      try
      {
        db.insert("key 1", "value 1");
        db.insert("key 2", "value 2");
        db.insert("key 3", "value 3");
        txn.commit();


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

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      Transaction txn = Transaction.startTransaction(false);
      try
      {
        db.insert("key 1", "value 1");
        db.insert("key 2", "value 2");
        txn.commit();


        txn = Transaction.startTransaction(false);
        db.update("key 1", "value 1pp");
        db.update("key 1", "value 1ppp");
        txn.commit();

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        txn.commit();


        txn = Transaction.startTransaction(false);
        db.update("key 1", "value 1pp");
        db.update("key 1", "value 1ppp");
        txn.commit();


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

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      Transaction txn = Transaction.startTransaction(false);
      try
      {
        db.insert("key 1", "value 1");
        db.insert("key 2", "value 2");
        txn.commit();


        txn = Transaction.startTransaction(false);
        db.update("key 1", "value 1p");
        db.update("key 2", "value 2p");
        txn.commit();

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        txn.commit();


        txn = Transaction.startTransaction(false);
        db.update("key 1", "value 1p");
        db.update("key 2", "value 2p");
        txn.commit();


        txn = Transaction.startTransaction(false);
        db.update("key 1", "value 1pp");
        db.update("key 1", "value 1ppp");
        txn.rollback();

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