* Writing to Hbase via Spark is implemented.
Project: http://git-wip-us.apache.org/repos/asf/gora/repo Commit: http://git-wip-us.apache.org/repos/asf/gora/commit/c111e629 Tree: http://git-wip-us.apache.org/repos/asf/gora/tree/c111e629 Diff: http://git-wip-us.apache.org/repos/asf/gora/diff/c111e629 Branch: refs/heads/master Commit: c111e6290fa16d2cc560eb29dbc07eb2f8b7734b Parents: 80c0c26 Author: Furkan KAMACI <furkankam...@gmail.com> Authored: Wed Jul 15 20:23:51 2015 +0300 Committer: Furkan KAMACI <furkankam...@gmail.com> Committed: Wed Jul 15 20:23:51 2015 +0300 ---------------------------------------------------------------------- .../gora/tutorial/log/LogAnalyticsSpark.java | 35 ++++++++++++++++++-- 1 file changed, 33 insertions(+), 2 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/gora/blob/c111e629/gora-tutorial/src/main/java/org/apache/gora/tutorial/log/LogAnalyticsSpark.java ---------------------------------------------------------------------- diff --git a/gora-tutorial/src/main/java/org/apache/gora/tutorial/log/LogAnalyticsSpark.java b/gora-tutorial/src/main/java/org/apache/gora/tutorial/log/LogAnalyticsSpark.java index abced3f..828939e 100644 --- a/gora-tutorial/src/main/java/org/apache/gora/tutorial/log/LogAnalyticsSpark.java +++ b/gora-tutorial/src/main/java/org/apache/gora/tutorial/log/LogAnalyticsSpark.java @@ -19,12 +19,16 @@ package org.apache.gora.tutorial.log; import java.util.Map; +import org.apache.gora.mapreduce.GoraMapReduceUtils; +import org.apache.gora.mapreduce.GoraOutputFormat; +import org.apache.gora.persistency.Persistent; import org.apache.gora.spark.GoraSparkEngine; import org.apache.gora.store.DataStore; import org.apache.gora.store.DataStoreFactory; import org.apache.gora.tutorial.log.generated.MetricDatum; import org.apache.gora.tutorial.log.generated.Pageview; import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.mapreduce.Job; import org.apache.spark.SparkConf; import org.apache.spark.api.java.JavaPairRDD; import org.apache.spark.api.java.JavaRDD; @@ -135,6 +139,8 @@ public class LogAnalyticsSpark { "Gora Integration Application").setMaster("local"); // todo _fk consider alternative architectural design + // todo design inStore and outStore initialization parts as like LogAnalytics.java + // todo consider creating job and manipulating it at input part as like LogAnalytics.java Class[] c = new Class[1]; c[0] = Pageview.class; sparkConf.registerKryoClasses(c); @@ -143,10 +149,10 @@ public class LogAnalyticsSpark { Configuration hadoopConf = new Configuration(); - DataStore<Long, Pageview> dataStore = DataStoreFactory.getDataStore( + DataStore<Long, Pageview> inStore = DataStoreFactory.getDataStore( inStoreClass, Long.class, Pageview.class, hadoopConf); - JavaPairRDD<Long, Pageview> goraRDD = goraSparkEngine.initialize(sc, dataStore); + JavaPairRDD<Long, Pageview> goraRDD = goraSparkEngine.initialize(sc, inStore); long count = goraRDD.count(); System.out.println("Total Log Count: " + count); @@ -162,10 +168,35 @@ public class LogAnalyticsSpark { System.out.println("MetricDatum count:" + reducedGoraRdd.count()); + //print screen output Map<String, MetricDatum> metricDatumMap = reducedGoraRdd.collectAsMap(); for (String key : metricDatumMap.keySet()) { System.out.println(key); } + // + + //write output to datastore + DataStore<String, MetricDatum> outStore = DataStoreFactory.getDataStore( + outStoreClass, String.class, MetricDatum.class, hadoopConf); + + GoraMapReduceUtils.setIOSerializations(hadoopConf, true); + + Job job = Job.getInstance(hadoopConf); + job.setOutputFormatClass(GoraOutputFormat.class); + job.setOutputKeyClass(outStore.getKeyClass()); + job.setOutputValueClass(outStore.getPersistentClass()); + + job.getConfiguration().setClass(GoraOutputFormat.DATA_STORE_CLASS, outStore.getClass(), + DataStore.class); + job.getConfiguration().setClass(GoraOutputFormat.OUTPUT_KEY_CLASS, outStore.getKeyClass(), Object.class); + job.getConfiguration().setClass(GoraOutputFormat.OUTPUT_VALUE_CLASS, + outStore.getPersistentClass(), Persistent.class); + + reducedGoraRdd.saveAsNewAPIHadoopDataset(job.getConfiguration()); + // + + inStore.close(); + outStore.close(); return 1; }
