Examples of com.sleepycat.je.Transaction.commitNoSync()

com.sleepycat.je.Transaction.commitNoSync()
End the transaction, not writing to stable storage and not committing synchronously. This means the transaction will exhibit the ACI (atomicity, consistency, and isolation) properties, but not D (durability); that is, database integrity will be maintained, but it is possible this transaction may be undone during recovery.
This behavior may be set for a database environment using the {@link com.sleepycat.je.EnvironmentConfig#setTxnNoSync EnvironmentConfig.setTxnNoSync} method or for a single transaction usingthe {@link com.sleepycat.je.Environment#beginTransaction Environment.beginTransaction} method. Any value specified to thismethod overrides both of those settings.

All cursors opened within the transaction must be closed before the transaction is committed.

If the method encounters an error, the transaction will have been aborted when the call returns.

After this method has been called, regardless of its return, the {@link Transaction} handle may not be accessed again, with oneexception: the {@code abort} method may be called any number of timesto simplify error handling.
@throws com.sleepycat.je.rep.InsufficientReplicasException if the masterin a replicated environment could not contact enough replicas to initiate the commit. @throws com.sleepycat.je.rep.InsufficientAcksException if the master ina replicated environment did not receive enough replica acknowledgments, althought the commit succeeded locally. @throws com.sleepycat.je.rep.ReplicaWriteException if a write operationwas performed with this transaction, but this node is now a Replica. @throws OperationFailureException if this exception occurred earlier andcaused the transaction to be invalidated. @throws EnvironmentFailureException if an unexpected, internal orenvironment-wide failure occurs. @throws IllegalStateException if the transaction or environment has beenclosed, or cursors associated with the transaction are still open.

            assertEquals(3, IntegerBinding.entryToInt(key));
        }


        /* Close reader to allow writer to finish. */
        cursor.close();
        readerTxn.commitNoSync();
        waitForInsert();


        /* getSearchBothRange returns key 3. */
        readerTxn = env.beginTransaction(null, txnConfig);
        cursor = db.openCursor(readerTxn, null);

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            assertEquals(1, IntegerBinding.entryToInt(data));
        }


        /* Close reader to allow writer to finish. */
        cursor.close();
        readerTxn.commitNoSync();
        waitForInsert();


        /* getSearchBothRange returns {3,1}. */
        readerTxn = env.beginTransaction(null, txnConfig);
        cursor = db.openCursor(readerTxn, null);

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            assertEquals(1, IntegerBinding.entryToInt(key));
        }


        /* Close reader to allow writer to finish. */
        cursor.close();
        readerTxn.commitNoSync();
        waitForInsert();


        /* getFirst returns key 1. */
        readerTxn = env.beginTransaction(null, txnConfig);
        cursor = db.openCursor(readerTxn, null);

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            assertEquals(1, IntegerBinding.entryToInt(data));
        }


        /* Close reader to allow writer to finish. */
        cursor.close();
        readerTxn.commitNoSync();
        waitForInsert();


        /* getFirst returns {1,1}. */
        readerTxn = env.beginTransaction(null, txnConfig);
        cursor = db.openCursor(readerTxn, null);

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            assertEquals(1, IntegerBinding.entryToInt(key));
        }


        /* Close reader to allow writer to finish. */
        cursor.close();
        readerTxn.commitNoSync();
        waitForInsert();


        /* getFirst returns key 1. */
        readerTxn = env.beginTransaction(null, txnConfig);
        cursor = db.openCursor(readerTxn, null);

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            assertEquals(1, IntegerBinding.entryToInt(data));
        }


        /* Close reader to allow writer to finish. */
        cursor.close();
        readerTxn.commitNoSync();
        waitForInsert();


        /* getFirst returns {1,1}. */
        readerTxn = env.beginTransaction(null, txnConfig);
        cursor = db.openCursor(readerTxn, null);

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            assertEquals(2, IntegerBinding.entryToInt(key));
        }


        /* Close reader to allow writer to finish. */
        cursor.close();
        readerTxn.commitNoSync();
        waitForInsert();


        /* getLast returns key 2. */
        readerTxn = env.beginTransaction(null, txnConfig);
        cursor = db.openCursor(readerTxn, null);

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            assertEquals(3, IntegerBinding.entryToInt(data));
        }


        /* Close reader to allow writer to finish. */
        cursor.close();
        readerTxn.commitNoSync();
        waitForInsert();


        /* getLast returns {1,3}. */
        readerTxn = env.beginTransaction(null, txnConfig);
        cursor = db.openCursor(readerTxn, null);

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        /* Expect neither a sync nor write. */
        beforeSyncs = getNSyncs();
        beforeLength = lastLogFile.length();
        txn = env.beginTransaction(null, config);
        db.put(txn, key, data);
        txn.commitNoSync();
        afterSyncs = getNSyncs();
        afterLength = lastLogFile.length();
        assert(afterSyncs == beforeSyncs);
        assert(afterLength == beforeLength);

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        /* T3 performs Oper. */
        startReadOper(spec.insertKey2);


        /* Close T1 to allow T2 and T3 to finish. */
        cursor.close();
        readerTxn.commitNoSync();
        waitForInsert();
        waitForReadOper();


        /* T4 performs Oper again in this thread as a double-check. */
        readerTxn = env.beginTransaction(null, null);

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