"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 16:39:06.627294
"""

```python
from typing import Callable, Optional


class FallbackExecutor:
    """
    A class to manage function execution with fallbacks in case of errors.
    
    Args:
        primary_function: The main function to execute.
        fallback_function: An optional function to execute if the primary function fails.
        error_handler: An optional callable that takes an exception and returns a boolean indicating whether it should proceed to the fallback or not.
    """
    
    def __init__(self, primary_function: Callable, fallback_function: Optional[Callable] = None, error_handler: Optional[Callable[[Exception], bool]] = None):
        self.primary_function = primary_function
        self.fallback_function = fallback_function
        self.error_handler = error_handler
    
    def execute(self, *args, **kwargs) -> Optional[str]:
        """
        Executes the primary function. If an exception is raised, checks the error handler and executes the fallback if necessary.
        
        Returns:
            The result of the executed function or None in case of unrecoverable errors.
        """
        try:
            return self.primary_function(*args, **kwargs)
        except Exception as e:
            if not (self.error_handler and self.error_handler(e)):
                print(f"Error occurred: {e}. No fallback available.")
                return None
            else:
                result = self.fallback_function(*args, **kwargs) if self.fallback_function else None
                return result


# Example usage

def divide(x: int, y: int) -> float:
    """Divides x by y."""
    return x / y

def safe_divide(x: int, y: int) -> Optional[float]:
    """
    Safe division function that returns 0 if y is zero.
    
    Args:
        x: Numerator
        y: Denominator
    
    Returns:
        The result of the division or None if an error occurs.
    """
    return FallbackExecutor(
        primary_function=lambda x, y: divide(x, y),
        fallback_function=lambda x, y: 0,
        error_handler=lambda e: isinstance(e, ZeroDivisionError)
    ).execute(x, y)


# Example calls
print(safe_divide(10, 2))  # Output: 5.0
print(safe_divide(10, 0))  # Output: 0 (fallback triggered)

```