"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 23:46:20.450720
"""

```python
from typing import Callable, Any, Dict


class FallbackExecutor:
    """
    A class that encapsulates a primary function execution along with fallback functions.
    
    This is particularly useful in scenarios where a main operation might fail,
    and you want to provide alternative methods of achieving the desired outcome.
    """

    def __init__(self, primary_func: Callable[..., Any], fallback_funcs: Dict[str, Callable[..., Any]]):
        """
        Initialize FallbackExecutor with a primary function and a dictionary of fallback functions.

        :param primary_func: The main function to execute first. It should accept the same arguments as the fallbacks.
        :param fallback_funcs: A dictionary where keys are strings representing the fallback types, and values are
                               the corresponding fallback functions.
        """
        self.primary_func = primary_func
        self.fallback_funcs = fallback_funcs

    def execute_with_fallback(self, *args, **kwargs) -> Any:
        """
        Execute the primary function. If it raises an exception, attempt to execute a fallback.

        :param args: Positional arguments for the functions.
        :param kwargs: Keyword arguments for the functions.
        :return: The result of the successfully executed function or None if all fail.
        """
        try:
            return self.primary_func(*args, **kwargs)
        except Exception as primary_error:
            print(f"Primary execution failed with error: {primary_error}")
        
        # Attempt fallbacks in order
        for func_name, fallback_func in self.fallback_funcs.items():
            try:
                result = fallback_func(*args, **kwargs)
                print(f"Fallback '{func_name}' was successfully executed.")
                return result
            except Exception as fallback_error:
                print(f"Fallback '{func_name}' failed with error: {fallback_error}")
        
        print("All fallbacks failed. No usable result returned.")
        return None


# Example usage
def primary_operation(x, y):
    """A simple operation that might fail under certain conditions."""
    if x > 10:
        raise ValueError("x is too large")
    return x + y

fallback_operations = {
    "simple_add": lambda x, y: x + y,
    "logarithmic_sum": lambda x, y: x * math.log2(y) if y > 0 else None
}

# Importing required module
import math

# Create an instance of FallbackExecutor with primary and fallback functions
executor = FallbackExecutor(primary_operation, fallback_operations)

result = executor.execute_with_fallback(5, 10)  # This should work fine
print(f"Result: {result}")

result = executor.execute_with_fallback(15, 10)  # This should trigger a fallback
print(f"Result: {result}")
```