{"action":"created","comment":{"url":"https://api.github.com/repos/caskdata/cdap/pulls/comments/27715401","id":27715401,"diff_hunk":"@@ -0,0 +1,138 @@\n+/*\n+ * Copyright © 2015 Cask Data, Inc.\n+ *\n+ * Licensed under the Apache License, Version 2.0 (the \"License\"); you may not\n+ * use this file except in compliance with the License. You may obtain a copy of\n+ * 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, software\n+ * distributed under the License is distributed on an \"AS IS\" BASIS, WITHOUT\n+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the\n+ * License for the specific language governing permissions and limitations under\n+ * the License.\n+ */\n+\n+package co.cask.cdap.templates.etl.batch;\n+\n+import co.cask.cdap.api.templates.AdapterConfigurer;\n+import co.cask.cdap.api.templates.ApplicationTemplate;\n+import co.cask.cdap.internal.schedule.TimeSchedule;\n+import co.cask.cdap.templates.etl.api.StageSpecification;\n+import co.cask.cdap.templates.etl.api.Transform;\n+import co.cask.cdap.templates.etl.api.batch.BatchSink;\n+import co.cask.cdap.templates.etl.api.batch.BatchSource;\n+import co.cask.cdap.templates.etl.batch.config.ETLBatchConfig;\n+import co.cask.cdap.templates.etl.batch.sinks.KVTableSink;\n+import co.cask.cdap.templates.etl.batch.sources.KVTableSource;\n+import co.cask.cdap.templates.etl.common.Constants;\n+import co.cask.cdap.templates.etl.common.DefaultStageConfigurer;\n+import co.cask.cdap.templates.etl.common.config.ETLStage;\n+import co.cask.cdap.templates.etl.transforms.IdentityTransform;\n+import com.google.common.base.Preconditions;\n+import com.google.common.collect.HashBasedTable;\n+import com.google.common.collect.Lists;\n+import com.google.common.collect.Table;\n+import com.google.gson.Gson;\n+\n+import java.util.List;\n+\n+/**\n+ * ETL Batch Template.\n+ */\n+public class ETLBatchTemplate extends ApplicationTemplate<ETLBatchConfig> {\n+  private static final Gson GSON = new Gson();\n+  private final Table<String, String, String> nameToClass;\n+\n+  public ETLBatchTemplate() throws Exception {\n+    nameToClass = HashBasedTable.create();\n+    //TODO: Add classes from Lib here to be available for use in the ETL Adapter. Remove this when\n+    //plugins management is completed.\n+    initTable(Lists.<Class>newArrayList(KVTableSource.class, KVTableSink.class, IdentityTransform.class));\n+  }\n+\n+  private void initTable(List<Class> classList) throws Exception {\n+    for (Class klass : classList) {\n+      DefaultStageConfigurer configurer = new DefaultStageConfigurer(klass);\n+      if (BatchSource.class.isAssignableFrom(klass)) {\n+        BatchSource source = (BatchSource) klass.newInstance();\n+        source.configure(configurer);","path":"cdap-app-templates/cdap-etl/cdap-etl-core/src/main/java/co/cask/cdap/templates/etl/batch/ETLBatchTemplate.java","position":60,"original_position":60,"commit_id":"4dc96ec9d798cbd84628cc09086415571a162e04","original_commit_id":"4dc96ec9d798cbd84628cc09086415571a162e04","user":{"login":"albertshau","id":5215004,"avatar_url":"https://avatars.githubusercontent.com/u/5215004?v=3","gravatar_id":"","url":"https://api.github.com/users/albertshau","html_url":"https://github.com/albertshau","followers_url":"https://api.github.com/users/albertshau/followers","following_url":"https://api.github.com/users/albertshau/following{/other_user}","gists_url":"https://api.github.com/users/albertshau/gists{/gist_id}","starred_url":"https://api.github.com/users/albertshau/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/albertshau/subscriptions","organizations_url":"https://api.github.com/users/albertshau/orgs","repos_url":"https://api.github.com/users/albertshau/repos","events_url":"https://api.github.com/users/albertshau/events{/privacy}","received_events_url":"https://api.github.com/users/albertshau/received_events","type":"User","site_admin":false},"body":"shouldn't configure here, as it's called from the constructor.  For example, suppose the source creates a stream in it's configure.","created_at":"2015-04-03T04:53:07Z","updated_at":"2015-04-03T04:53:07Z","html_url":"https://github.com/caskdata/cdap/pull/1882#discussion_r27715401","pull_request_url":"https://api.github.com/repos/caskdata/cdap/pulls/1882","_links":{"self":{"href":"https://api.github.com/repos/caskdata/cdap/pulls/comments/27715401"},"html":{"href":"https://github.com/caskdata/cdap/pull/1882#discussion_r27715401"},"pull_request":{"href":"https://api.github.com/repos/caskdata/cdap/pulls/1882"}}},"pull_request":{"url":"https://api.github.com/repos/caskdata/cdap/pulls/1882","id":32490019,"html_url":"https://github.com/caskdata/cdap/pull/1882","diff_url":"https://github.com/caskdata/cdap/pull/1882.diff","patch_url":"https://github.com/caskdata/cdap/pull/1882.patch","issue_url":"https://api.github.com/repos/caskdata/cdap/issues/1882","number":1882,"state":"open","locked":false,"title":"Feature/etl batch driver","user":{"login":"gokulavasan","id":558459,"avatar_url":"https://avatars.githubusercontent.com/u/558459?v=3","gravatar_id":"","url":"https://api.github.com/users/gokulavasan","html_url":"https://github.com/gokulavasan","followers_url":"https://api.github.com/users/gokulavasan/followers","following_url":"https://api.github.com/users/gokulavasan/following{/other_user}","gists_url":"https://api.github.com/users/gokulavasan/gists{/gist_id}","starred_url":"https://api.github.com/users/gokulavasan/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gokulavasan/subscriptions","organizations_url":"https://api.github.com/users/gokulavasan/orgs","repos_url":"https://api.github.com/users/gokulavasan/repos","events_url":"https://api.github.com/users/gokulavasan/events{/privacy}","received_events_url":"https://api.github.com/users/gokulavasan/received_events","type":"User","site_admin":false},"body":"* ETL Batch Template + ETL MapReduce\r\n* Simple test case with KVTableSource/Sink and IdentityTransform\r\n\r\nBamboo : http://builds.cask.co/browse/CDAP-DT4-3\r\n\r\nJIRA : https://issues.cask.co/browse/CDAP-1769","created_at":"2015-04-02T07:57:07Z","updated_at":"2015-04-03T04:53:07Z","closed_at":null,"merged_at":null,"merge_commit_sha":"b88457ec9fed1fa983ccedbc720a64946f38c6d2","assignee":{"login":"albertshau","id":5215004,"avatar_url":"https://avatars.githubusercontent.com/u/5215004?v=3","gravatar_id":"","url":"https://api.github.com/users/albertshau","html_url":"https://github.com/albertshau","followers_url":"https://api.github.com/users/albertshau/followers","following_url":"https://api.github.com/users/albertshau/following{/other_user}","gists_url":"https://api.github.com/users/albertshau/gists{/gist_id}","starred_url":"https://api.github.com/users/albertshau/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/albertshau/subscriptions","organizations_url":"https://api.github.com/users/albertshau/orgs","repos_url":"https://api.github.com/users/albertshau/repos","events_url":"https://api.github.com/users/albertshau/events{/privacy}","received_events_url":"https://api.github.com/users/albertshau/received_events","type":"User","site_admin":false},"milestone":{"url":"https://api.github.com/repos/caskdata/cdap/milestones/4","html_url":"https://github.com/caskdata/cdap/milestones/3.0.0","labels_url":"https://api.github.com/repos/caskdata/cdap/milestones/4/labels","id":990469,"number":4,"title":"3.0.0","description":null,"creator":{"login":"jwang47","id":1084704,"avatar_url":"https://avatars.githubusercontent.com/u/1084704?v=3","gravatar_id":"","url":"https://api.github.com/users/jwang47","html_url":"https://github.com/jwang47","followers_url":"https://api.github.com/users/jwang47/followers","following_url":"https://api.github.com/users/jwang47/following{/other_user}","gists_url":"https://api.github.com/users/jwang47/gists{/gist_id}","starred_url":"https://api.github.com/users/jwang47/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jwang47/subscriptions","organizations_url":"https://api.github.com/users/jwang47/orgs","repos_url":"https://api.github.com/users/jwang47/repos","events_url":"https://api.github.com/users/jwang47/events{/privacy}","received_events_url":"https://api.github.com/users/jwang47/received_events","type":"User","site_admin":false},"open_issues":15,"closed_issues":42,"state":"open","created_at":"2015-02-23T00:07:53Z","updated_at":"2015-04-03T01:43:25Z","due_on":null,"closed_at":null},"commits_url":"https://api.github.com/repos/caskdata/cdap/pulls/1882/commits","review_comments_url":"https://api.github.com/repos/caskdata/cdap/pulls/1882/comments","review_comment_url":"https://api.github.com/repos/caskdata/cdap/pulls/comments{/number}","comments_url":"https://api.github.com/repos/caskdata/cdap/issues/1882/comments","statuses_url":"https://api.github.com/repos/caskdata/cdap/statuses/4dc96ec9d798cbd84628cc09086415571a162e04","head":{"label":"caskdata:feature/etl-batch-driver","ref":"feature/etl-batch-driver","sha":"4dc96ec9d798cbd84628cc09086415571a162e04","user":{"login":"caskdata","id":8123023,"avatar_url":"https://avatars.githubusercontent.com/u/8123023?v=3","gravatar_id":"","url":"https://api.github.com/users/caskdata","html_url":"https://github.com/caskdata","followers_url":"https://api.github.com/users/caskdata/followers","following_url":"https://api.github.com/users/caskdata/following{/other_user}","gists_url":"https://api.github.com/users/caskdata/gists{/gist_id}","starred_url":"https://api.github.com/users/caskdata/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/caskdata/subscriptions","organizations_url":"https://api.github.com/users/caskdata/orgs","repos_url":"https://api.github.com/users/caskdata/repos","events_url":"https://api.github.com/users/caskdata/events{/privacy}","received_events_url":"https://api.github.com/users/caskdata/received_events","type":"Organization","site_admin":false},"repo":{"id":22542759,"name":"cdap","full_name":"caskdata/cdap","owner":{"login":"caskdata","id":8123023,"avatar_url":"https://avatars.githubusercontent.com/u/8123023?v=3","gravatar_id":"","url":"https://api.github.com/users/caskdata","html_url":"https://github.com/caskdata","followers_url":"https://api.github.com/users/caskdata/followers","following_url":"https://api.github.com/users/caskdata/following{/other_user}","gists_url":"https://api.github.com/users/caskdata/gists{/gist_id}","starred_url":"https://api.github.com/users/caskdata/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/caskdata/subscriptions","organizations_url":"https://api.github.com/users/caskdata/orgs","repos_url":"https://api.github.com/users/caskdata/repos","events_url":"https://api.github.com/users/caskdata/events{/privacy}","received_events_url":"https://api.github.com/users/caskdata/received_events","type":"Organization","site_admin":false},"private":false,"html_url":"https://github.com/caskdata/cdap","description":"Cask Data Application Platform (CDAP)","fork":false,"url":"https://api.github.com/repos/caskdata/cdap","forks_url":"https://api.github.com/repos/caskdata/cdap/forks","keys_url":"https://api.github.com/repos/caskdata/cdap/keys{/key_id}","collaborators_url":"https://api.github.com/repos/caskdata/cdap/collaborators{/collaborator}","teams_url":"https://api.github.com/repos/caskdata/cdap/teams","hooks_url":"https://api.github.com/repos/caskdata/cdap/hooks","issue_events_url":"https://api.github.com/repos/caskdata/cdap/issues/events{/number}","events_url":"https://api.github.com/repos/caskdata/cdap/events","assignees_url":"https://api.github.com/repos/caskdata/cdap/assignees{/user}","branches_url":"https://api.github.com/repos/caskdata/cdap/branches{/branch}","tags_url":"https://api.github.com/repos/caskdata/cdap/tags","blobs_url":"https://api.github.com/repos/caskdata/cdap/git/blobs{/sha}","git_tags_url":"https://api.github.com/repos/caskdata/cdap/git/tags{/sha}","git_refs_url":"https://api.github.com/repos/caskdata/cdap/git/refs{/sha}","trees_url":"https://api.github.com/repos/caskdata/cdap/git/trees{/sha}","statuses_url":"https://api.github.com/repos/caskdata/cdap/statuses/{sha}","languages_url":"https://api.github.com/repos/caskdata/cdap/languages","stargazers_url":"https://api.github.com/repos/caskdata/cdap/stargazers","contributors_url":"https://api.github.com/repos/caskdata/cdap/contributors","subscribers_url":"https://api.github.com/repos/caskdata/cdap/subscribers","subscription_url":"https://api.github.com/repos/caskdata/cdap/subscription","commits_url":"https://api.github.com/repos/caskdata/cdap/commits{/sha}","git_commits_url":"https://api.github.com/repos/caskdata/cdap/git/commits{/sha}","comments_url":"https://api.github.com/repos/caskdata/cdap/comments{/number}","issue_comment_url":"https://api.github.com/repos/caskdata/cdap/issues/comments{/number}","contents_url":"https://api.github.com/repos/caskdata/cdap/contents/{+path}","compare_url":"https://api.github.com/repos/caskdata/cdap/compare/{base}...{head}","merges_url":"https://api.github.com/repos/caskdata/cdap/merges","archive_url":"https://api.github.com/repos/caskdata/cdap/{archive_format}{/ref}","downloads_url":"https://api.github.com/repos/caskdata/cdap/downloads","issues_url":"https://api.github.com/repos/caskdata/cdap/issues{/number}","pulls_url":"https://api.github.com/repos/caskdata/cdap/pulls{/number}","milestones_url":"https://api.github.com/repos/caskdata/cdap/milestones{/number}","notifications_url":"https://api.github.com/repos/caskdata/cdap/notifications{?since,all,participating}","labels_url":"https://api.github.com/repos/caskdata/cdap/labels{/name}","releases_url":"https://api.github.com/repos/caskdata/cdap/releases{/id}","created_at":"2014-08-02T09:00:10Z","updated_at":"2015-04-03T01:43:25Z","pushed_at":"2015-04-03T04:48:57Z","git_url":"git://github.com/caskdata/cdap.git","ssh_url":"git@github.com:caskdata/cdap.git","clone_url":"https://github.com/caskdata/cdap.git","svn_url":"https://github.com/caskdata/cdap","homepage":"http://cdap.io","size":830334,"stargazers_count":39,"watchers_count":39,"language":"Java","has_issues":false,"has_downloads":true,"has_wiki":false,"has_pages":true,"forks_count":10,"mirror_url":null,"open_issues_count":26,"forks":10,"open_issues":26,"watchers":39,"default_branch":"develop"}},"base":{"label":"caskdata:develop","ref":"develop","sha":"029922d4c43d699d9089eeaa7c54f64f9c85f584","user":{"login":"caskdata","id":8123023,"avatar_url":"https://avatars.githubusercontent.com/u/8123023?v=3","gravatar_id":"","url":"https://api.github.com/users/caskdata","html_url":"https://github.com/caskdata","followers_url":"https://api.github.com/users/caskdata/followers","following_url":"https://api.github.com/users/caskdata/following{/other_user}","gists_url":"https://api.github.com/users/caskdata/gists{/gist_id}","starred_url":"https://api.github.com/users/caskdata/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/caskdata/subscriptions","organizations_url":"https://api.github.com/users/caskdata/orgs","repos_url":"https://api.github.com/users/caskdata/repos","events_url":"https://api.github.com/users/caskdata/events{/privacy}","received_events_url":"https://api.github.com/users/caskdata/received_events","type":"Organization","site_admin":false},"repo":{"id":22542759,"name":"cdap","full_name":"caskdata/cdap","owner":{"login":"caskdata","id":8123023,"avatar_url":"https://avatars.githubusercontent.com/u/8123023?v=3","gravatar_id":"","url":"https://api.github.com/users/caskdata","html_url":"https://github.com/caskdata","followers_url":"https://api.github.com/users/caskdata/followers","following_url":"https://api.github.com/users/caskdata/following{/other_user}","gists_url":"https://api.github.com/users/caskdata/gists{/gist_id}","starred_url":"https://api.github.com/users/caskdata/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/caskdata/subscriptions","organizations_url":"https://api.github.com/users/caskdata/orgs","repos_url":"https://api.github.com/users/caskdata/repos","events_url":"https://api.github.com/users/caskdata/events{/privacy}","received_events_url":"https://api.github.com/users/caskdata/received_events","type":"Organization","site_admin":false},"private":false,"html_url":"https://github.com/caskdata/cdap","description":"Cask Data Application Platform (CDAP)","fork":false,"url":"https://api.github.com/repos/caskdata/cdap","forks_url":"https://api.github.com/repos/caskdata/cdap/forks","keys_url":"https://api.github.com/repos/caskdata/cdap/keys{/key_id}","collaborators_url":"https://api.github.com/repos/caskdata/cdap/collaborators{/collaborator}","teams_url":"https://api.github.com/repos/caskdata/cdap/teams","hooks_url":"https://api.github.com/repos/caskdata/cdap/hooks","issue_events_url":"https://api.github.com/repos/caskdata/cdap/issues/events{/number}","events_url":"https://api.github.com/repos/caskdata/cdap/events","assignees_url":"https://api.github.com/repos/caskdata/cdap/assignees{/user}","branches_url":"https://api.github.com/repos/caskdata/cdap/branches{/branch}","tags_url":"https://api.github.com/repos/caskdata/cdap/tags","blobs_url":"https://api.github.com/repos/caskdata/cdap/git/blobs{/sha}","git_tags_url":"https://api.github.com/repos/caskdata/cdap/git/tags{/sha}","git_refs_url":"https://api.github.com/repos/caskdata/cdap/git/refs{/sha}","trees_url":"https://api.github.com/repos/caskdata/cdap/git/trees{/sha}","statuses_url":"https://api.github.com/repos/caskdata/cdap/statuses/{sha}","languages_url":"https://api.github.com/repos/caskdata/cdap/languages","stargazers_url":"https://api.github.com/repos/caskdata/cdap/stargazers","contributors_url":"https://api.github.com/repos/caskdata/cdap/contributors","subscribers_url":"https://api.github.com/repos/caskdata/cdap/subscribers","subscription_url":"https://api.github.com/repos/caskdata/cdap/subscription","commits_url":"https://api.github.com/repos/caskdata/cdap/commits{/sha}","git_commits_url":"https://api.github.com/repos/caskdata/cdap/git/commits{/sha}","comments_url":"https://api.github.com/repos/caskdata/cdap/comments{/number}","issue_comment_url":"https://api.github.com/repos/caskdata/cdap/issues/comments{/number}","contents_url":"https://api.github.com/repos/caskdata/cdap/contents/{+path}","compare_url":"https://api.github.com/repos/caskdata/cdap/compare/{base}...{head}","merges_url":"https://api.github.com/repos/caskdata/cdap/merges","archive_url":"https://api.github.com/repos/caskdata/cdap/{archive_format}{/ref}","downloads_url":"https://api.github.com/repos/caskdata/cdap/downloads","issues_url":"https://api.github.com/repos/caskdata/cdap/issues{/number}","pulls_url":"https://api.github.com/repos/caskdata/cdap/pulls{/number}","milestones_url":"https://api.github.com/repos/caskdata/cdap/milestones{/number}","notifications_url":"https://api.github.com/repos/caskdata/cdap/notifications{?since,all,participating}","labels_url":"https://api.github.com/repos/caskdata/cdap/labels{/name}","releases_url":"https://api.github.com/repos/caskdata/cdap/releases{/id}","created_at":"2014-08-02T09:00:10Z","updated_at":"2015-04-03T01:43:25Z","pushed_at":"2015-04-03T04:48:57Z","git_url":"git://github.com/caskdata/cdap.git","ssh_url":"git@github.com:caskdata/cdap.git","clone_url":"https://github.com/caskdata/cdap.git","svn_url":"https://github.com/caskdata/cdap","homepage":"http://cdap.io","size":830334,"stargazers_count":39,"watchers_count":39,"language":"Java","has_issues":false,"has_downloads":true,"has_wiki":false,"has_pages":true,"forks_count":10,"mirror_url":null,"open_issues_count":26,"forks":10,"open_issues":26,"watchers":39,"default_branch":"develop"}},"_links":{"self":{"href":"https://api.github.com/repos/caskdata/cdap/pulls/1882"},"html":{"href":"https://github.com/caskdata/cdap/pull/1882"},"issue":{"href":"https://api.github.com/repos/caskdata/cdap/issues/1882"},"comments":{"href":"https://api.github.com/repos/caskdata/cdap/issues/1882/comments"},"review_comments":{"href":"https://api.github.com/repos/caskdata/cdap/pulls/1882/comments"},"review_comment":{"href":"https://api.github.com/repos/caskdata/cdap/pulls/comments{/number}"},"commits":{"href":"https://api.github.com/repos/caskdata/cdap/pulls/1882/commits"},"statuses":{"href":"https://api.github.com/repos/caskdata/cdap/statuses/4dc96ec9d798cbd84628cc09086415571a162e04"}}}}