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/** | |
* Copyright 2013 Netflix, Inc. | |
* | |
* Licensed under the Apache License, Version 2.0 (the "License"); | |
* you may not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software |
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scala> class Foo { def foo() = Array(1.0) } | |
defined class Foo | |
scala> val t = new Foo | |
t: Foo = $iwC$$iwC$$iwC$$iwC$Foo@5ef6a5b6 | |
scala> val m = t.foo | |
m: Array[Double] = Array(1.0) | |
scala> val r1 = sc.parallelize(List(1, 2, 3)) |
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scala> class Foo { def foo() = Array(1.0) } | |
defined class Foo | |
scala> var m: Array[Double] = null | |
m: Array[Double] = null | |
scala> { | |
| val t = new Foo | |
| m = t.foo | |
| } |
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import org.apache.spark.SparkConf; | |
import org.apache.spark.api.java.function.FlatMapFunction; | |
import org.apache.spark.api.java.function.Function2; | |
import org.apache.spark.api.java.function.PairFunction; | |
import org.apache.spark.streaming.Duration; | |
import org.apache.spark.streaming.api.java.JavaDStream; | |
import org.apache.spark.streaming.api.java.JavaPairDStream; | |
import org.apache.spark.streaming.api.java.JavaStreamingContext; | |
import org.apache.spark.streaming.scheduler.*; | |
import scala.Tuple2; |
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final JavaStreamingContext jssc = new JavaStreamingContext(...); | |
final Time exitTime = new Time(12345L); // Need to set the correct exit time | |
jssc.addStreamingListener(new StreamingListener(){ | |
@Override | |
public void onBatchCompleted(StreamingListenerBatchCompleted batchCompleted) { | |
if (batchCompleted.batchInfo().batchTime().greaterEq(exitTime)) { | |
new Thread() { | |
@Override | |
public void run() { | |
jssc.stop(true, true); |
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import java.io.{DataOutputStream, ByteArrayOutputStream} | |
import java.lang.String | |
import org.apache.hadoop.hbase.client.Scan | |
import org.apache.hadoop.hbase.HBaseConfiguration | |
import org.apache.hadoop.hbase.io.ImmutableBytesWritable | |
import org.apache.hadoop.hbase.client.Result | |
import org.apache.hadoop.hbase.mapreduce.TableInputFormat | |
import org.apache.hadoop.hbase.util.Base64 | |
def convertScanToString(scan: Scan): String = { |
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set -- a b c | |
echo "$1 $2 $3" |
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while read line; do | |
echo $line; | |
done < <(cat test.txt) |
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err() { | |
echo "[$(date +'%Y-%m-%dT%H:%M:%S%z')]: $@" >&2 | |
} |
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# output "I am an exceptionally long string." | |
long_string="I am an exceptionally | |
long string." | |
echo ${long_string} |
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