[entities] Add the ability to observe story entities

The entity watcher will receive one update with the current value upon
registration.

This also adds an EntityWatcher implementation which is used in the
tests.

MF-92 #done
TESTED=run_modular_tests.sh module_context, story_storage_unittest

Change-Id: Ic9d29172a323c756dd4492df14a659da6d0cf623
11 files changed
tree: 3b24bcd73557537a194311b6bf777464f3e042fb
  1. bin/
  2. boards/
  3. build/
  4. cloud/
  5. docs/
  6. examples/
  7. infra/
  8. lib/
  9. packages/
  10. products/
  11. public/
  12. tests/
  13. third_party/
  14. web/
  15. .clang-format
  16. .clang-tidy
  17. .gitignore
  18. AUTHORS
  19. BUILD.gn
  20. CONTRIBUTING.md
  21. LICENSE
  22. navbar.md
  23. PATENTS
  24. README.md
README.md

Peridot

Peridot is a framework for composed, intelligent and distributed user experiences.

Applications not explicitly designed to interoperate (and possibly implemented in different programming languages) are ephemerally downloaded and dynamically composed to run in a shared context. The framework manages application lifecycle, resources and view hierarchy; and well as context and suggestion infrastructure.

State of Peridot experiences is transparently synchronized across user devices using a distributed offline-first storage system.

Read more