Package dev.getelements.elements.sdk.dao

Interface Transaction

All Superinterfaces:
AutoCloseable
All Known Implementing Classes:
MorphiaGuiceTransaction
public interface Transaction extends AutoCloseable
Represents a transaction with

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    close()
    Closes and releases the transaction.
    void
    commit()
    Commits the transaction.
    <DaoT> DaoT
    getDao(Class<DaoT> daoT)
    Gets the requested Dao type, bound to this Transaction.
    boolean
    isActive()
    Returns true if this transaction is still active and open.
    default <T> T
    performAndClose(Function<Transaction,T> op)
    Performs the operation on this Transaction, processing the result and returning the result of the operation.
    default void
    performAndCloseV(Consumer<Transaction> op)
    Performs the operation on this Transaction, processing the result and returning the result of the operation.
    void
    rollback()
    Rolls back the transaction.

  • Method Details

    • getDao

      <DaoT> DaoT getDao(Class<DaoT> daoT)
      Gets the requested Dao type, bound to this Transaction. The returned DAO is only valid for the life of this Transaction object.
      Type Parameters:
      DaoT - the DAO Type
      Parameters:
      daoT - the Class<DaoT>
      Returns:
      the DAO Instance

    • commit

      void commit()
      Commits the transaction.

    • rollback

      void rollback()
      Rolls back the transaction.

    • close

      void close()
      Closes and releases the transaction.
      Specified by:
      close in interface AutoCloseable

    • isActive

      boolean isActive()
      Returns true if this transaction is still active and open.
      Returns:
      true if active, false if it has been committed or rolled back.

    • performAndClose

      default <T> T performAndClose(Function<Transaction,T> op)
      Performs the operation on this Transaction, processing the result and returning the result of the operation.
      Type Parameters:
      T - the return type
      Parameters:
      op - the operation
      Returns:
      the result of the operation

    • performAndCloseV

      default void performAndCloseV(Consumer<Transaction> op)
      Performs the operation on this Transaction, processing the result and returning the result of the operation.
      Parameters:
      op - the operation