{"action":"created","issue":{"url":"https://api.github.com/repos/RobotLocomotion/drake/issues/2846","repository_url":"https://api.github.com/repos/RobotLocomotion/drake","labels_url":"https://api.github.com/repos/RobotLocomotion/drake/issues/2846/labels{/name}","comments_url":"https://api.github.com/repos/RobotLocomotion/drake/issues/2846/comments","events_url":"https://api.github.com/repos/RobotLocomotion/drake/issues/2846/events","html_url":"https://github.com/RobotLocomotion/drake/pull/2846","id":166448337,"number":2846,"title":"Initial implementation of Diagram in System2.","user":{"login":"david-german-tri","id":17437069,"avatar_url":"https://avatars.githubusercontent.com/u/17437069?v=3","gravatar_id":"","url":"https://api.github.com/users/david-german-tri","html_url":"https://github.com/david-german-tri","followers_url":"https://api.github.com/users/david-german-tri/followers","following_url":"https://api.github.com/users/david-german-tri/following{/other_user}","gists_url":"https://api.github.com/users/david-german-tri/gists{/gist_id}","starred_url":"https://api.github.com/users/david-german-tri/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/david-german-tri/subscriptions","organizations_url":"https://api.github.com/users/david-german-tri/orgs","repos_url":"https://api.github.com/users/david-german-tri/repos","events_url":"https://api.github.com/users/david-german-tri/events{/privacy}","received_events_url":"https://api.github.com/users/david-german-tri/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":{"login":"sherm1","id":4088016,"avatar_url":"https://avatars.githubusercontent.com/u/4088016?v=3","gravatar_id":"","url":"https://api.github.com/users/sherm1","html_url":"https://github.com/sherm1","followers_url":"https://api.github.com/users/sherm1/followers","following_url":"https://api.github.com/users/sherm1/following{/other_user}","gists_url":"https://api.github.com/users/sherm1/gists{/gist_id}","starred_url":"https://api.github.com/users/sherm1/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sherm1/subscriptions","organizations_url":"https://api.github.com/users/sherm1/orgs","repos_url":"https://api.github.com/users/sherm1/repos","events_url":"https://api.github.com/users/sherm1/events{/privacy}","received_events_url":"https://api.github.com/users/sherm1/received_events","type":"User","site_admin":false},"assignees":[{"login":"sherm1","id":4088016,"avatar_url":"https://avatars.githubusercontent.com/u/4088016?v=3","gravatar_id":"","url":"https://api.github.com/users/sherm1","html_url":"https://github.com/sherm1","followers_url":"https://api.github.com/users/sherm1/followers","following_url":"https://api.github.com/users/sherm1/following{/other_user}","gists_url":"https://api.github.com/users/sherm1/gists{/gist_id}","starred_url":"https://api.github.com/users/sherm1/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sherm1/subscriptions","organizations_url":"https://api.github.com/users/sherm1/orgs","repos_url":"https://api.github.com/users/sherm1/repos","events_url":"https://api.github.com/users/sherm1/events{/privacy}","received_events_url":"https://api.github.com/users/sherm1/received_events","type":"User","site_admin":false}],"milestone":null,"comments":1,"created_at":"2016-07-19T22:04:43Z","updated_at":"2016-07-20T15:36:19Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/RobotLocomotion/drake/pulls/2846","html_url":"https://github.com/RobotLocomotion/drake/pull/2846","diff_url":"https://github.com/RobotLocomotion/drake/pull/2846.diff","patch_url":"https://github.com/RobotLocomotion/drake/pull/2846.patch"},"body":"A Diagram is a graph of Systems that is itself a System.\r\n\r\nNote that some elements of `Context` have been lifted up to `AbstractContext`, from which `DiagramContext` also inherits.\r\n\r\n+@sherm1 for feature review.  I'm going to continue working on test coverage but I think it's in good enough shape to start the review.\r\n\r\n<!-- Reviewable:start -->\r\n---\r\nThis change is [<img src=\"https://reviewable.io/review_button.svg\" height=\"34\" align=\"absmiddle\" alt=\"Reviewable\"/>](https://reviewable.io/reviews/robotlocomotion/drake/2846)\r\n<!-- Reviewable:end -->\r\n"},"comment":{"url":"https://api.github.com/repos/RobotLocomotion/drake/issues/comments/233987963","html_url":"https://github.com/RobotLocomotion/drake/pull/2846#issuecomment-233987963","issue_url":"https://api.github.com/repos/RobotLocomotion/drake/issues/2846","id":233987963,"user":{"login":"jamiesnape","id":3630149,"avatar_url":"https://avatars.githubusercontent.com/u/3630149?v=3","gravatar_id":"","url":"https://api.github.com/users/jamiesnape","html_url":"https://github.com/jamiesnape","followers_url":"https://api.github.com/users/jamiesnape/followers","following_url":"https://api.github.com/users/jamiesnape/following{/other_user}","gists_url":"https://api.github.com/users/jamiesnape/gists{/gist_id}","starred_url":"https://api.github.com/users/jamiesnape/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jamiesnape/subscriptions","organizations_url":"https://api.github.com/users/jamiesnape/orgs","repos_url":"https://api.github.com/users/jamiesnape/repos","events_url":"https://api.github.com/users/jamiesnape/events{/privacy}","received_events_url":"https://api.github.com/users/jamiesnape/received_events","type":"User","site_admin":false},"created_at":"2016-07-20T15:36:18Z","updated_at":"2016-07-20T15:36:18Z","body":"Ignore the \"default\" and \"continuous-integration/jenkins/pr/mac\" builds."}}
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