tree 336aea84b34ad250ad12a5b806b1155522c1f811
parent c903642f36ac663f8b7efc5abad6b055c459c283
author Thomas Draebing <thomas.draebing@sap.com> 1631608154 +0200
committer Thomas Draebing <thomas.draebing@sap.com> 1632229279 +0200

Memoize methods of ExternalId and ExternalId.Key

The results of the following methods does not change:

- ExternalId.toString()
- ExternalId.Key.sha1()
- ExternalId.Key.hashCode()

AutoValue provides the @Memoized annotation [1]. With it the return value
will be stored and not computed again.

[1] https://github.com/google/auto/blob/master/value/userguide/howto.md#-memoize-the-result-of-hashcode-or-tostring

Change-Id: Iad599d3351934f746e4cfcc9357697538e5eaaa4