{"action":"opened","issue":{"url":"https://api.github.com/repos/dbs-leipzig/gradoop/issues/95","labels_url":"https://api.github.com/repos/dbs-leipzig/gradoop/issues/95/labels{/name}","comments_url":"https://api.github.com/repos/dbs-leipzig/gradoop/issues/95/comments","events_url":"https://api.github.com/repos/dbs-leipzig/gradoop/issues/95/events","html_url":"https://github.com/dbs-leipzig/gradoop/issues/95","id":113813715,"number":95,"title":"Manage GraphHeads always in DataSet","user":{"login":"s1ck","id":318788,"avatar_url":"https://avatars.githubusercontent.com/u/318788?v=3","gravatar_id":"","url":"https://api.github.com/users/s1ck","html_url":"https://github.com/s1ck","followers_url":"https://api.github.com/users/s1ck/followers","following_url":"https://api.github.com/users/s1ck/following{/other_user}","gists_url":"https://api.github.com/users/s1ck/gists{/gist_id}","starred_url":"https://api.github.com/users/s1ck/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/s1ck/subscriptions","organizations_url":"https://api.github.com/users/s1ck/orgs","repos_url":"https://api.github.com/users/s1ck/repos","events_url":"https://api.github.com/users/s1ck/events{/privacy}","received_events_url":"https://api.github.com/users/s1ck/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/dbs-leipzig/gradoop/labels/flink","name":"flink","color":"207de5"}],"state":"open","locked":false,"assignee":{"login":"s1ck","id":318788,"avatar_url":"https://avatars.githubusercontent.com/u/318788?v=3","gravatar_id":"","url":"https://api.github.com/users/s1ck","html_url":"https://github.com/s1ck","followers_url":"https://api.github.com/users/s1ck/followers","following_url":"https://api.github.com/users/s1ck/following{/other_user}","gists_url":"https://api.github.com/users/s1ck/gists{/gist_id}","starred_url":"https://api.github.com/users/s1ck/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/s1ck/subscriptions","organizations_url":"https://api.github.com/users/s1ck/orgs","repos_url":"https://api.github.com/users/s1ck/repos","events_url":"https://api.github.com/users/s1ck/events{/privacy}","received_events_url":"https://api.github.com/users/s1ck/received_events","type":"User","site_admin":false},"milestone":null,"comments":0,"created_at":"2015-10-28T12:51:28Z","updated_at":"2015-10-28T12:51:28Z","closed_at":null,"body":"atm, `LogicalGraph` has a single `GraphData` object attached and `GraphCollection` manages a `DataSet<GraphHead>`. As both inherit from `AbstractGraph` this can be replaced by a single `DataSet<GraphHead>` at `AbstractGraph`."}}