org.apache.ignite.client

Interface ClientTransactions

public interface ClientTransactions

Thin client transactions facade.

Transactions are bound to the thread started the transaction. After that, each cache operation within this thread will belong to the corresponding transaction until the transaction is committed, rolled back or closed.

Transactions are AutoCloseable, so they will automatically rollback unless explicitly committed.

Default values for transaction isolation level, concurrency and timeout can be configured via ClientConfiguration.setTransactionConfiguration(ClientTransactionConfiguration) property.

See Also:

ClientTransactionConfiguration

Method Summary

Modifier and Type	Method and Description
ClientTransaction	txStart() Starts a new transaction with the default isolation level, concurrency and timeout.
ClientTransaction	txStart(TransactionConcurrency concurrency, TransactionIsolation isolation) Starts a new transaction with the specified concurrency and isolation.
ClientTransaction	txStart(TransactionConcurrency concurrency, TransactionIsolation isolation, long timeout) Starts a new transaction with the specified isolation, concurrency and timeout.
ClientTransactions	withLabel(String lb) Returns instance of ClientTransactions to mark each new transaction with a specified label.

Method Detail

txStart

ClientTransaction txStart()
                   throws org.apache.ignite.internal.client.thin.ClientServerError,
                          ClientException

Starts a new transaction with the default isolation level, concurrency and timeout.

Returns:

New transaction.

Throws:

ClientException - If some unfinished transaction has already started by this thread.

org.apache.ignite.internal.client.thin.ClientServerError

txStart

ClientTransaction txStart(TransactionConcurrency concurrency,
                          TransactionIsolation isolation)
                   throws org.apache.ignite.internal.client.thin.ClientServerError,
                          ClientException

Starts a new transaction with the specified concurrency and isolation.

Parameters:

concurrency - Concurrency.

isolation - Isolation.

Returns:

New transaction.

Throws:

ClientException - If some unfinished transaction has already started by this thread.

org.apache.ignite.internal.client.thin.ClientServerError

txStart

ClientTransaction txStart(TransactionConcurrency concurrency,
                          TransactionIsolation isolation,
                          long timeout)
                   throws org.apache.ignite.internal.client.thin.ClientServerError,
                          ClientException

Starts a new transaction with the specified isolation, concurrency and timeout.

Parameters:

concurrency - Concurrency.

isolation - Isolation.

timeout - Timeout.

Returns:

New transaction.

Throws:

ClientException - If some unfinished transaction has already started by this thread.

org.apache.ignite.internal.client.thin.ClientServerError

withLabel

ClientTransactions withLabel(String lb)
                      throws ClientException

Returns instance of ClientTransactions to mark each new transaction with a specified label.

Parameters:

lb - Label.

Returns:

This for chaining.

Throws:

NullPointerException - If label is null.

ClientException