Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 3BF83200AED for ; Tue, 3 May 2016 20:27:17 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 3AD011609A9; Tue, 3 May 2016 20:27:17 +0200 (CEST) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 8C7381609F4 for ; Tue, 3 May 2016 20:27:16 +0200 (CEST) Received: (qmail 99082 invoked by uid 500); 3 May 2016 18:27:15 -0000 Mailing-List: contact commits-help@beam.incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@beam.incubator.apache.org Delivered-To: mailing list commits@beam.incubator.apache.org Received: (qmail 99071 invoked by uid 99); 3 May 2016 18:27:15 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 03 May 2016 18:27:15 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id 58B5DC0A88 for ; Tue, 3 May 2016 18:27:15 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -4.021 X-Spam-Level: X-Spam-Status: No, score=-4.021 tagged_above=-999 required=6.31 tests=[KAM_LAZY_DOMAIN_SECURITY=1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id HCvLK2ch3e72 for ; Tue, 3 May 2016 18:27:14 +0000 (UTC) Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with SMTP id D24BD5F4EA for ; Tue, 3 May 2016 18:27:13 +0000 (UTC) Received: (qmail 96566 invoked by uid 99); 3 May 2016 18:27:13 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 03 May 2016 18:27:13 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 073AB2C033A for ; Tue, 3 May 2016 18:27:13 +0000 (UTC) Date: Tue, 3 May 2016 18:27:13 +0000 (UTC) From: "Davor Bonaci (JIRA)" To: commits@beam.incubator.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (BEAM-225) Create Class for Common TypeDescriptors MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Tue, 03 May 2016 18:27:17 -0000 [ https://issues.apache.org/jira/browse/BEAM-225?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Davor Bonaci updated BEAM-225: ------------------------------ Assignee: Davor Bonaci > Create Class for Common TypeDescriptors > --------------------------------------- > > Key: BEAM-225 > URL: https://issues.apache.org/jira/browse/BEAM-225 > Project: Beam > Issue Type: Bug > Components: sdk-java-core > Reporter: Jesse Anderson > Assignee: Davor Bonaci > Priority: Trivial > Labels: starter > > There should be a built-in class for common types like String, Float, etc. > Right now, all types have to create an inline TypeDescriptor: > {code:java} > PCollection words = suits.apply( > FlatMapElements.via( > (String line) -> Arrays.asList(line.split(" ")) > ).withOutputType(new TypeDescriptor() {})); > {code} > The should be a built-in class with common types like String so you don't have to create a TypeDescriptor each time like: > {code:java} > PCollection words = suits.apply( > FlatMapElements.via( > (String line) -> Arrays.asList(line.split(" ")) > ).withOutputType(TypeDescriptors.STRINGS)); > {code} > Another possibility is to make it a static method: > {code:java} > PCollection words = suits.apply( > FlatMapElements.via( > (String line) -> Arrays.asList(line.split(" ")) > ).withOutputType(TypeDescriptors.strings())); > {code} > An example of this is Apache Crunch's Writables class https://crunch.apache.org/apidocs/0.11.0/org/apache/crunch/types/writable/Writables.html. -- This message was sent by Atlassian JIRA (v6.3.4#6332)