{"action":"created","comment":{"url":"https://api.github.com/repos/druid-io/druid/pulls/comments/37364435","id":37364435,"diff_hunk":"@@ -0,0 +1,33 @@\n+/*\n+ * Licensed to Metamarkets Group Inc. (Metamarkets) under one\n+ * or more contributor license agreements. See the NOTICE file\n+ * distributed with this work for additional information\n+ * regarding copyright ownership. Metamarkets licenses this file\n+ * to you under the Apache License, Version 2.0 (the\n+ * \"License\"); you may not use this file except in compliance\n+ * with the License. You may obtain a copy of the License at\n+ *\n+ * http://www.apache.org/licenses/LICENSE-2.0\n+ *\n+ * Unless required by applicable law or agreed to in writing,\n+ * software distributed under the License is distributed on an\n+ * \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n+ * KIND, either express or implied. See the License for the\n+ * specific language governing permissions and limitations\n+ * under the License.\n+ */\n+\n+package io.druid.segment.realtime.plumber;\n+\n+import io.druid.data.input.Committer;\n+\n+/**\n+ * Object that can be used to make a Committer.\n+ * <p/>\n+ * This is useful when something *may* want to make a Committer, but also may not, and when making the actual\n+ * Committer could be expensive.\n+ */\n+public interface CommitterMaker","path":"server/src/main/java/io/druid/segment/realtime/plumber/CommitterMaker.java","position":30,"original_position":30,"commit_id":"cb466ad3a400100c4b9f2432a8cc5f50a0a50558","original_commit_id":"cb466ad3a400100c4b9f2432a8cc5f50a0a50558","user":{"login":"drcrallen","id":8213081,"avatar_url":"https://avatars.githubusercontent.com/u/8213081?v=3","gravatar_id":"","url":"https://api.github.com/users/drcrallen","html_url":"https://github.com/drcrallen","followers_url":"https://api.github.com/users/drcrallen/followers","following_url":"https://api.github.com/users/drcrallen/following{/other_user}","gists_url":"https://api.github.com/users/drcrallen/gists{/gist_id}","starred_url":"https://api.github.com/users/drcrallen/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/drcrallen/subscriptions","organizations_url":"https://api.github.com/users/drcrallen/orgs","repos_url":"https://api.github.com/users/drcrallen/repos","events_url":"https://api.github.com/users/drcrallen/events{/privacy}","received_events_url":"https://api.github.com/users/drcrallen/received_events","type":"User","site_admin":false},"body":"Why not just `Supplier<Committer>` ?","created_at":"2015-08-18T23:05:10Z","updated_at":"2015-08-18T23:05:10Z","html_url":"https://github.com/druid-io/druid/pull/1639#discussion_r37364435","pull_request_url":"https://api.github.com/repos/druid-io/druid/pulls/1639","_links":{"self":{"href":"https://api.github.com/repos/druid-io/druid/pulls/comments/37364435"},"html":{"href":"https://github.com/druid-io/druid/pull/1639#discussion_r37364435"},"pull_request":{"href":"https://api.github.com/repos/druid-io/druid/pulls/1639"}}},"pull_request":{"url":"https://api.github.com/repos/druid-io/druid/pulls/1639","id":42726765,"html_url":"https://github.com/druid-io/druid/pull/1639","diff_url":"https://github.com/druid-io/druid/pull/1639.diff","patch_url":"https://github.com/druid-io/druid/pull/1639.patch","issue_url":"https://api.github.com/repos/druid-io/druid/issues/1639","number":1639,"state":"open","locked":false,"title":"New plumber","user":{"login":"gianm","id":1214075,"avatar_url":"https://avatars.githubusercontent.com/u/1214075?v=3","gravatar_id":"","url":"https://api.github.com/users/gianm","html_url":"https://github.com/gianm","followers_url":"https://api.github.com/users/gianm/followers","following_url":"https://api.github.com/users/gianm/following{/other_user}","gists_url":"https://api.github.com/users/gianm/gists{/gist_id}","starred_url":"https://api.github.com/users/gianm/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gianm/subscriptions","organizations_url":"https://api.github.com/users/gianm/orgs","repos_url":"https://api.github.com/users/gianm/repos","events_url":"https://api.github.com/users/gianm/events{/privacy}","received_events_url":"https://api.github.com/users/gianm/received_events","type":"User","site_admin":false},"body":"Modify Plumbers in these ways,\r\n\r\n1) Persist using Committer instead of Runnable. (Although the metadata object\r\n   is ignored in this patch)\r\n\r\n2) Remove the getSink method.\r\n\r\n3) Plumbers are now responsible for time-based and hydrant-full-based periodic\r\n   committing. (FireChief, RealtimeIndexTask, and IndexTask used to do this)\r\n\r\nThe purpose of these changes is to make it possible to implement Plumbers using\r\nAppenderators, which is a hopefully more useful interface for things like transactional\r\ningestion and windowPeriodless ingestion. Thinking of something like this for\r\nthe interface:\r\n\r\n  https://gist.github.com/gianm/7d8f83619aada126fcd9","created_at":"2015-08-18T17:40:37Z","updated_at":"2015-08-18T23:05:10Z","closed_at":null,"merged_at":null,"merge_commit_sha":"084486004f7092c60326ff496634e7d2bb46b1d3","assignee":null,"milestone":null,"commits_url":"https://api.github.com/repos/druid-io/druid/pulls/1639/commits","review_comments_url":"https://api.github.com/repos/druid-io/druid/pulls/1639/comments","review_comment_url":"https://api.github.com/repos/druid-io/druid/pulls/comments{/number}","comments_url":"https://api.github.com/repos/druid-io/druid/issues/1639/comments","statuses_url":"https://api.github.com/repos/druid-io/druid/statuses/cb466ad3a400100c4b9f2432a8cc5f50a0a50558","head":{"label":"gianm:new-plumber","ref":"new-plumber","sha":"cb466ad3a400100c4b9f2432a8cc5f50a0a50558","user":{"login":"gianm","id":1214075,"avatar_url":"https://avatars.githubusercontent.com/u/1214075?v=3","gravatar_id":"","url":"https://api.github.com/users/gianm","html_url":"https://github.com/gianm","followers_url":"https://api.github.com/users/gianm/followers","following_url":"https://api.github.com/users/gianm/following{/other_user}","gists_url":"https://api.github.com/users/gianm/gists{/gist_id}","starred_url":"https://api.github.com/users/gianm/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gianm/subscriptions","organizations_url":"https://api.github.com/users/gianm/orgs","repos_url":"https://api.github.com/users/gianm/repos","events_url":"https://api.github.com/users/gianm/events{/privacy}","received_events_url":"https://api.github.com/users/gianm/received_events","type":"User","site_admin":false},"repo":{"id":28350072,"name":"druid","full_name":"gianm/druid","owner":{"login":"gianm","id":1214075,"avatar_url":"https://avatars.githubusercontent.com/u/1214075?v=3","gravatar_id":"","url":"https://api.github.com/users/gianm","html_url":"https://github.com/gianm","followers_url":"https://api.github.com/users/gianm/followers","following_url":"https://api.github.com/users/gianm/following{/other_user}","gists_url":"https://api.github.com/users/gianm/gists{/gist_id}","starred_url":"https://api.github.com/users/gianm/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gianm/subscriptions","organizations_url":"https://api.github.com/users/gianm/orgs","repos_url":"https://api.github.com/users/gianm/repos","events_url":"https://api.github.com/users/gianm/events{/privacy}","received_events_url":"https://api.github.com/users/gianm/received_events","type":"User","site_admin":false},"private":false,"html_url":"https://github.com/gianm/druid","description":"Real²time 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