#36 Observation handling refactoring:

[szysas]

• added ObservationListener and ObservationRelationsStore
• CoapServer with outboundObservations service;
• InboundSubscriptionManager
• moved ObservableResourceService to test scope

[codecov[bot]]

Codecov Report

Patch coverage: 90.60% and project coverage change: -0.29% :warning:

Comparison is base (ceb4f5d) 93.04% compared to head (269090d) 92.76%.

:exclamation: Current head 269090d differs from pull request most recent head 9606a48. Consider uploading reports for the commit 9606a48 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #57 +/- ## ============================================ - Coverage 93.04% 92.76% -0.29% + Complexity 1978 1975 -3 ============================================ Files 129 130 +1 Lines 4401 4394 -7 Branches 608 605 -3 ============================================ - Hits 4095 4076 -19 - Misses 166 175 +9 - Partials 140 143 +3 ``` | [Files Changed](https://app.codecov.io/gh/open-coap/java-coap/pull/57?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-coap) | Coverage Δ | | |---|---|---| | [...src/main/java/com/mbed/coap/client/CoapClient.java](https://app.codecov.io/gh/open-coap/java-coap/pull/57?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-coap#diff-Y29hcC1jb3JlL3NyYy9tYWluL2phdmEvY29tL21iZWQvY29hcC9jbGllbnQvQ29hcENsaWVudC5qYXZh) | `94.73% <ø> (-1.10%)` | :arrow_down: | | [...om/mbed/coap/server/observe/ObservationsStore.java](https://app.codecov.io/gh/open-coap/java-coap/pull/57?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-coap#diff-Y29hcC1jb3JlL3NyYy9tYWluL2phdmEvY29tL21iZWQvY29hcC9zZXJ2ZXIvb2JzZXJ2ZS9PYnNlcnZhdGlvbnNTdG9yZS5qYXZh) | `60.00% <60.00%> (ø)` | | | [...bed/coap/server/observe/NotificationsReceiver.java](https://app.codecov.io/gh/open-coap/java-coap/pull/57?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-coap#diff-Y29hcC1jb3JlL3NyYy9tYWluL2phdmEvY29tL21iZWQvY29hcC9zZXJ2ZXIvb2JzZXJ2ZS9Ob3RpZmljYXRpb25zUmVjZWl2ZXIuamF2YQ==) | `81.25% <81.25%> (ø)` | | | [...n/java/com/mbed/coap/server/CoapServerBuilder.java](https://app.codecov.io/gh/open-coap/java-coap/pull/57?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-coap#diff-Y29hcC1jb3JlL3NyYy9tYWluL2phdmEvY29tL21iZWQvY29hcC9zZXJ2ZXIvQ29hcFNlcnZlckJ1aWxkZXIuamF2YQ==) | `91.22% <81.81%> (-1.37%)` | :arrow_down: | | [.../com/mbed/coap/server/CoapServerBuilderForTcp.java](https://app.codecov.io/gh/open-coap/java-coap/pull/57?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-coap#diff-Y29hcC10Y3Avc3JjL21haW4vamF2YS9jb20vbWJlZC9jb2FwL3NlcnZlci9Db2FwU2VydmVyQnVpbGRlckZvclRjcC5qYXZh) | `87.87% <83.33%> (-1.96%)` | :arrow_down: | | [.../java/com/mbed/coap/server/ObservationHandler.java](https://app.codecov.io/gh/open-coap/java-coap/pull/57?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-coap#diff-Y29hcC1jb3JlL3NyYy9tYWluL2phdmEvY29tL21iZWQvY29hcC9zZXJ2ZXIvT2JzZXJ2YXRpb25IYW5kbGVyLmphdmE=) | `86.36% <92.85%> (-8.28%)` | :arrow_down: | | [...com/mbed/coap/server/observe/ObserversManager.java](https://app.codecov.io/gh/open-coap/java-coap/pull/57?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-coap#diff-Y29hcC1jb3JlL3NyYy9tYWluL2phdmEvY29tL21iZWQvY29hcC9zZXJ2ZXIvb2JzZXJ2ZS9PYnNlcnZlcnNNYW5hZ2VyLmphdmE=) | `94.36% <94.36%> (ø)` | | | [...rc/main/java/com/mbed/coap/packet/CoapRequest.java](https://app.codecov.io/gh/open-coap/java-coap/pull/57?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-coap#diff-Y29hcC1jb3JlL3NyYy9tYWluL2phdmEvY29tL21iZWQvY29hcC9wYWNrZXQvQ29hcFJlcXVlc3QuamF2YQ==) | `92.62% <100.00%> (+1.71%)` | :arrow_up: | | [...c/main/java/com/mbed/coap/packet/CoapResponse.java](https://app.codecov.io/gh/open-coap/java-coap/pull/57?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-coap#diff-Y29hcC1jb3JlL3NyYy9tYWluL2phdmEvY29tL21iZWQvY29hcC9wYWNrZXQvQ29hcFJlc3BvbnNlLmphdmE=) | `98.36% <100.00%> (-0.11%)` | :arrow_down: | | [...src/main/java/com/mbed/coap/server/CoapServer.java](https://app.codecov.io/gh/open-coap/java-coap/pull/57?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-coap#diff-Y29hcC1jb3JlL3NyYy9tYWluL2phdmEvY29tL21iZWQvY29hcC9zZXJ2ZXIvQ29hcFNlcnZlci5qYXZh) | `100.00% <100.00%> (ø)` | | | ... and [2 more](https://app.codecov.io/gh/open-coap/java-coap/pull/57?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-coap) | | ... and [4 files with indirect coverage changes](https://app.codecov.io/gh/open-coap/java-coap/pull/57/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-coap)

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.