Interface ReadOperation<T>

  • Type Parameters:
    T - type of the value that is read and returned by this read operation
    Functional Interface:
    This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

    @FunctionalInterface
    public interface ReadOperation<T>
    Function performing a read operation.
    • Method Detail

      • run

        T run​(ReadableTransaction txn)
        throws Exception
        Executes a read operation, and returns the read value.
        Parameters:
        txn - the read transaction where to execute the read operation
        Returns:
        the read value
        Throws:
        Exception - if a problem occurs with the underlying storage engine