private static DataSet<Point> getPointDataSet(ParameterTool params, ExecutionEnvironment env) {
DataSet<Point> points;
if (params.has("points")) {
// read points from CSV file
points =
env.readCsvFile(params.get("points")).fieldDelimiter(" ").pojoType(Point.class, "x", "y");
} else {
System.out.println("Executing K-Means example with default point data set.");
System.out.println("Use --points to specify file input.");
points = KMeansData.getDefaultPointDataSet(env);
}
return points;
}
private static DataSet<Centroid> getCentroidDataSet(
ParameterTool params, ExecutionEnvironment env) {
DataSet<Centroid> centroids;
if (params.has("centroids")) {
centroids =
env.readCsvFile(params.get("centroids"))
.fieldDelimiter(" ")
.pojoType(Centroid.class, "id", "x", "y");
} else {
System.out.println("Executing K-Means example with default centroid data set.");
System.out.println("Use --centroids to specify file input.");
centroids = KMeansData.getDefaultCentroidDataSet(env);
}
return centroids;
}