Notes

Certainly! Here's a functional perspective on the flow of the code:

1. **Initialization**:
- The code begins by importing necessary modules and packages.
- It defines the `ExportFlowPipeline` class and initializes it with the provided environment.
- Various helper functions and constants are also defined.

2. **ExportFlowPipeline Initialization**:
- Upon initialization, the `ExportFlowPipeline` class sets up logging and stores the environment and input data.

3. **Export Flow Execution**:
- The `execute_call_method()` method serves as a wrapper to explicitly execute the `__call__()` method.
- The `__call__()` method is the entry point for executing the export flow processes.
- It initializes the `ExportFlowSimClass` to handle export flow-related functionality during simulation.
- Calls `setup_processes()` and `make_export_tickets()` methods to prepare processes and create export container tickets, respectively.

4. **Export Container Ticket Creation**:
- The `make_export_tickets()` method extracts export container data from input data and creates corresponding tickets.
- Each ticket represents a container to be processed in the export flow.

5. **Process Setup**:
- The `setup_processes()` method configures the EventFlow processes required for the export flow.
- It sets up processes for assigning external trucks, reach stackers, driving reach stackers to stacks, driving external trucks to stacks, and waiting for container stacking.

6. **Process Hooks and Handlers**:
- Several hooks and handlers are defined to manage the flow of containers and equipment during the export process.
- These include setting attributes, adding allocation requests, releasing equipment, and printing container flow states for debugging.

7. **Helper Functions**:
- Helper functions such as `set_ticket_as_export()`, `request_an_external_truck()`, `request_an_reach_stacker()`, `release_truck()`, `release_reach_stacker()`, and `if_debug_print_container_flow_state()` are defined to perform specific actions within the process flow.

8. **Debugging and Logging**:
- Debugging and logging are integrated into the process flow to facilitate troubleshooting and monitoring during simulation execution.

9. **Usage**:
- Users can instantiate the `ExportFlowPipeline` class with the appropriate environment and execute the export flow pipeline using the `execute_call_method()` method.

This functional perspective highlights how the code manages the export flow processes, orchestrating the movement of export container tickets through various stages within a container terminal simulation environment.