Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/4714#discussion_r25124128
--- Diff:
examples/src/main/java/org/apache/spark/examples/mllib/JavaFPGrowthExample.java
---
@@ -25,32 +25,49 @@
import org.apache.spark.SparkConf;
import org.apache.spark.api.java.JavaRDD;
import org.apache.spark.api.java.JavaSparkContext;
+import org.apache.spark.api.java.function.Function;
import org.apache.spark.mllib.fpm.FPGrowth;
import org.apache.spark.mllib.fpm.FPGrowthModel;
/**
* Java example for mining frequent itemsets using FP-growth.
+ * Example usage: ./bin/run-example
org.apache.spark.examples.mllib.JavaFPGrowthExample
+ * ./data/mllib/sample_fpgrowth.txt
*/
public class JavaFPGrowthExample {
public static void main(String[] args) {
+ String inputFile;
+ double minSupport = 0.3;
+ int numPartition = -1;
+ if (args.length < 1) {
+ System.err.println(
+ "Usage: JavaKMeans <input_file> [minSupport]
[numPartition]");
+ System.exit(1);
+ }
+ inputFile = args[0];
+ if (args.length >= 2) {
+ minSupport = Double.parseDouble(args[1]);
+ }
+ if (args.length >= 3) {
+ numPartition = Integer.parseInt(args[2]);
+ }
+
SparkConf sparkConf = new
SparkConf().setAppName("JavaFPGrowthExample");
JavaSparkContext sc = new JavaSparkContext(sparkConf);
+ JavaRDD<ArrayList<String>> transactions = sc.textFile(inputFile).map(
+ new Function<String, ArrayList<String>>() {
+ @Override
--- End diff --
fix indentation
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