下面是通过边构造图的一个简单的例子:
package graphx;
import java.util.ArrayList;
import java.util.List;
import org.apache.spark.SparkConf;
import org.apache.spark.api.java.JavaRDD;
import org.apache.spark.api.java.JavaSparkContext;
import org.apache.spark.graphx.Edge;
import org.apache.spark.graphx.Graph;
import org.apache.spark.storage.StorageLevel;
import scala.reflect.ClassTag;
public