Adapt epidemic: Better DB sync

Epidemic now mixes in DB messages with normal ones.

SonarQube analysis reported 1 issue

• 🔽 1 minor

1. 🔽 Use a cryptographically strong random number generator (RNG) like "java.security.SecureRandom" in place of this PRNG 📘

@mbruns42 I assigned you so you can have a look whether this will break any caching.

@bheymann I checked and if I'm not mistaken, this will not break any caching. Caching messages for connected is not in the master and merging that and the adapted epidemic will not be fun (but is functionally possible nevertheless).

added Needs Changes and removed Needs Review labels

added 1 commit

• ff77fd4c - Add comments

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added Needs Review and removed Needs Changes labels

SonarQube analysis reported 4 issues

• 🔽 2 minor
• ℹ 2 info

1. 🔽 Use a cryptographically strong random number generator (RNG) like "java.security.SecureRandom" in place of this PRNG 📘
2. 🔽 Drop this interface in favor of "java.util.function.Function<Collection,List>". 📘
3. ℹ Complete the task associated to this TODO comment. 📘
4. ℹ Complete the task associated to this TODO comment. 📘

resolved all discussions

added 131 commits

• ff77fd4c...4e3b775a - 130 commits from branch master
• 0a477020 - Merge remote-tracking branch 'remotes/origin/master' into feature-#144-adapt-epidemic

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SonarQube analysis reported 2 issues

• ⚠ 1 major
• 🔽 1 minor

1. ⚠ class "ActiveRouter" has 36 methods, which is greater than the 35 authorized. Split it into smaller classes. 📘
2. 🔽 Use a cryptographically strong random number generator (RNG) like "java.security.SecureRandom" in place of this PRNG 📘

added 1 commit

• 8cf500dc - Remove unused method

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SonarQube analysis reported 1 issue

• 🔽 1 minor

1. 🔽 Use a cryptographically strong random number generator (RNG) like "java.security.SecureRandom" in place of this PRNG 📘

merged

mentioned in commit 3d2e9a4c