Migrating to Phlex

This guide provides recommendations and examples for migrating code from the art framework to Phlex.

Phlex is a data-processing framework that supports the Parallel, hierarchical, and layered execution of data-processing algorithms.

• 1. Introduction
• 2. Framework and Domain Logic Separation
  • 2.1. Cross-Cutting Rules
  • 2.2. art::Ptr and Pointer-Like Access
  • 2.3. Data Product Retrieval and Event-Boundary Access
  • 2.4. Associations and Navigation
  • 2.5. Services
• 3. Algorithm Extraction
  • 3.1. Recommended Extraction Pattern
  • 3.2. What May Stay in the Algorithm Temporarily
  • 3.3. Algorithm Extraction Checklist
  • 3.4. Common Extraction Mistakes
• 4. Phlex Binding
  • 4.1. Binding to Higher-Order Functions
  • 4.2. Crosswalk from Extracted art Designs
  • 4.3. Worked Examples
  • 4.4. Transitional Binding Issues
  • 4.5. Phlex Binding Checklist

Appendices

• Appendix A: AI Memory File — Removing art::Ptr from LArSoft Modules