Github user ilganeli commented on a diff in the pull request:
https://github.com/apache/apex-malhar/pull/316#discussion_r66509223
--- Diff:
stream/src/test/java/org/apache/apex/malhar/stream/sample/ApplicationWithWindowedStreamAPI.java
---
@@ -0,0 +1,41 @@
+package org.apache.apex.malhar.stream.sample;
+
+import java.util.Arrays;
+
+import org.apache.apex.malhar.stream.api.ApexStream;
+import org.apache.apex.malhar.stream.api.WindowedStream;
+import org.apache.apex.malhar.stream.api.function.Function;
+import org.apache.apex.malhar.stream.api.impl.StreamFactory;
+import org.apache.hadoop.conf.Configuration;
+
+import com.datatorrent.api.DAG;
+import com.datatorrent.api.StreamingApplication;
+import com.datatorrent.api.annotation.ApplicationAnnotation;
+import com.datatorrent.lib.window.Quantification.TimeUnit;
+
+import static
com.datatorrent.lib.window.WindowOption.WindowOptionBuilder.intoEvery;
+
+/**
+ * An application example with stream api
+ */
+@ApplicationAnnotation(name = "WordCountStreamingApiDemo")
+public class ApplicationWithWindowedStreamAPI implements
StreamingApplication
+{
+
+ @Override
+ public void populateDAG(DAG dag, Configuration configuration)
+ {
+ String localFolder = "./src/test/resources/data";
+ WindowedStream stream = StreamFactory
+ .fromFolder(localFolder)
+ .flatMap(new Function.FlatMapFunction<String, String>()
+ {
+ @Override
+ public Iterable<String> f(String input)
+ {
+ return Arrays.asList(input.split(" "));
+ }
+ })
+ .window(intoEvery(10, TimeUnit.WEEK).and(2, TimeUnit.DAY).and(3,
TimeUnit.HOUR).slideBy(4, TimeUnit.HOUR).and(20, TimeUnit.MINUTE));
--- End diff --
I would split this into multiple lines for clarity.
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