{"action":"created","comment":{"url":"https://api.github.com/repos/caskdata/cdap/pulls/comments/35734230","id":35734230,"diff_hunk":"@@ -0,0 +1,70 @@\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.examples.datacleansing;\n+\n+import co.cask.cdap.api.app.AbstractApplication;\n+import co.cask.cdap.api.dataset.lib.KeyValueTable;\n+import co.cask.cdap.api.dataset.lib.PartitionedFileSet;\n+import co.cask.cdap.api.dataset.lib.PartitionedFileSetProperties;\n+import co.cask.cdap.api.dataset.lib.Partitioning;\n+import org.apache.hadoop.mapreduce.lib.input.TextInputFormat;\n+import org.apache.hadoop.mapreduce.lib.output.TextOutputFormat;\n+\n+/**\n+ * Data Cleansing sample Application.\n+ */\n+public class DataCleansing extends AbstractApplication {\n+  protected static final String NAME = \"DataCleansing\";\n+  protected static final String RAW_RECORDS = \"rawRecords\";\n+  protected static final String CLEAN_RECORDS = \"cleanRecords\";\n+  protected static final String CONSUMING_STATE = \"consumingState\";\n+\n+  @Override\n+  public void configure() {\n+    setName(NAME);\n+    setDescription(\"Example Data Cleansing Application\");\n+\n+    // Ingest and retrieve the data using a Service\n+    addService(new DataCleansingService());\n+\n+    // Process the records from \"rawRecords\" partitioned file set using MapReduce\n+    addMapReduce(new DataCleansingMapReduce());\n+\n+    // Store the state of the incrementally processing MapReduce\n+    createDataset(CONSUMING_STATE, KeyValueTable.class);\n+\n+    // Create the \"rawRecords\" partitioned file set for storing the input records, configure it to work with MapReduce\n+    createDataset(RAW_RECORDS, PartitionedFileSet.class, PartitionedFileSetProperties.builder()\n+      // Properties for partitioning\n+      .setPartitioning(Partitioning.builder().addLongField(\"time\").build())\n+      // Properties for file set\n+      .setInputFormat(TextInputFormat.class)\n+      .build());\n+\n+    createDataset(CLEAN_RECORDS, PartitionedFileSet.class, PartitionedFileSetProperties.builder()\n+      // Properties for partitioning\n+      .setPartitioning(Partitioning.builder().addLongField(\"time\").build())\n+      // Properties for file set\n+      .setOutputFormat(TextOutputFormat.class)\n+      // Properties for Explore (to create a partitioned Hive table)\n+      .setEnableExploreOnCreate(true)\n+      .setExploreFormat(\"text\")\n+      .setExploreFormatProperty(\"delimiter\", \"\\n\")","path":"cdap-examples/DataCleansing/src/main/java/co/cask/cdap/examples/datacleansing/DataCleansing.java","position":66,"original_position":66,"commit_id":"2030a3645f4acd38090925f8ee50d74367d71b05","original_commit_id":"2030a3645f4acd38090925f8ee50d74367d71b05","user":{"login":"anwar6953","id":2440977,"avatar_url":"https://avatars.githubusercontent.com/u/2440977?v=3","gravatar_id":"","url":"https://api.github.com/users/anwar6953","html_url":"https://github.com/anwar6953","followers_url":"https://api.github.com/users/anwar6953/followers","following_url":"https://api.github.com/users/anwar6953/following{/other_user}","gists_url":"https://api.github.com/users/anwar6953/gists{/gist_id}","starred_url":"https://api.github.com/users/anwar6953/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/anwar6953/subscriptions","organizations_url":"https://api.github.com/users/anwar6953/orgs","repos_url":"https://api.github.com/users/anwar6953/repos","events_url":"https://api.github.com/users/anwar6953/events{/privacy}","received_events_url":"https://api.github.com/users/anwar6953/received_events","type":"User","site_admin":false},"body":"Sorry, what do you mean by this?\r\nI've looked at the output file, and its simply the list of records, one per line.","created_at":"2015-07-29T07:34:57Z","updated_at":"2015-07-29T07:34:57Z","html_url":"https://github.com/caskdata/cdap/pull/3231#discussion_r35734230","pull_request_url":"https://api.github.com/repos/caskdata/cdap/pulls/3231","_links":{"self":{"href":"https://api.github.com/repos/caskdata/cdap/pulls/comments/35734230"},"html":{"href":"https://github.com/caskdata/cdap/pull/3231#discussion_r35734230"},"pull_request":{"href":"https://api.github.com/repos/caskdata/cdap/pulls/3231"}}},"pull_request":{"url":"https://api.github.com/repos/caskdata/cdap/pulls/3231","id":40506074,"html_url":"https://github.com/caskdata/cdap/pull/3231","diff_url":"https://github.com/caskdata/cdap/pull/3231.diff","patch_url":"https://github.com/caskdata/cdap/pull/3231.patch","issue_url":"https://api.github.com/repos/caskdata/cdap/issues/3231","number":3231,"state":"open","locked":false,"title":"DataCleansing example application","user":{"login":"anwar6953","id":2440977,"avatar_url":"https://avatars.githubusercontent.com/u/2440977?v=3","gravatar_id":"","url":"https://api.github.com/users/anwar6953","html_url":"https://github.com/anwar6953","followers_url":"https://api.github.com/users/anwar6953/followers","following_url":"https://api.github.com/users/anwar6953/following{/other_user}","gists_url":"https://api.github.com/users/anwar6953/gists{/gist_id}","starred_url":"https://api.github.com/users/anwar6953/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/anwar6953/subscriptions","organizations_url":"https://api.github.com/users/anwar6953/orgs","repos_url":"https://api.github.com/users/anwar6953/repos","events_url":"https://api.github.com/users/anwar6953/events{/privacy}","received_events_url":"https://api.github.com/users/anwar6953/received_events","type":"User","site_admin":false},"body":"Requesting review of the idea and overall implementation.\r\n\r\nMain idea is to demonstrate incremental processing of the partitions of a PartitionedFileSet, using the concept of data validation to filter all records that do not conform to a given schema. Currently, the schema is defined within the mapper, but an idea is to change this to accept this via runtime arguments.\r\n\r\nSuggestions in regards to the data schema or validation are welcome.\r\n\r\nhttps://issues.cask.co/browse/CDAP-2994\r\nhttp://builds.cask.co/browse/CDAP-RBT358-2","created_at":"2015-07-21T21:20:29Z","updated_at":"2015-07-29T07:34:57Z","closed_at":null,"merged_at":null,"merge_commit_sha":"fd421232f46be12e4bee7432bd4760b6b0fec3ac","assignee":{"login":"anew","id":483004,"avatar_url":"https://avatars.githubusercontent.com/u/483004?v=3","gravatar_id":"","url":"https://api.github.com/users/anew","html_url":"https://github.com/anew","followers_url":"https://api.github.com/users/anew/followers","following_url":"https://api.github.com/users/anew/following{/other_user}","gists_url":"https://api.github.com/users/anew/gists{/gist_id}","starred_url":"https://api.github.com/users/anew/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/anew/subscriptions","organizations_url":"https://api.github.com/users/anew/orgs","repos_url":"https://api.github.com/users/anew/repos","events_url":"https://api.github.com/users/anew/events{/privacy}","received_events_url":"https://api.github.com/users/anew/received_events","type":"User","site_admin":false},"milestone":null,"commits_url":"https://api.github.com/repos/caskdata/cdap/pulls/3231/commits","review_comments_url":"https://api.github.com/repos/caskdata/cdap/pulls/3231/comments","review_comment_url":"https://api.github.com/repos/caskdata/cdap/pulls/comments{/number}","comments_url":"https://api.github.com/repos/caskdata/cdap/issues/3231/comments","statuses_url":"https://api.github.com/repos/caskdata/cdap/statuses/2030a3645f4acd38090925f8ee50d74367d71b05","head":{"label":"caskdata:feature/incremental-partition-consumer-dc-example","ref":"feature/incremental-partition-consumer-dc-example","sha":"2030a3645f4acd38090925f8ee50d74367d71b05","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 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