Github user vasia commented on a diff in the pull request:
https://github.com/apache/flink/pull/847#discussion_r32672827
--- Diff:
flink-staging/flink-gelly/src/main/java/org/apache/flink/graph/Graph.java ---
@@ -282,6 +282,58 @@ public void flatMap(Edge<K, EV> edge,
Collector<Tuple1<K>> out) {
}
/**
+ * Creates a graph from CSV files.
+ *
+ * Vertices with value are created from a CSV file with 2 fields
+ * Edges with value are created from a CSV file with 3 fields
+ * from Tuple3.
+ *
+ * @param path1 path to a CSV file with the Vertices data.
+ * @param path2 path to a CSV file with the Edges data
+ * @param context the flink execution environment.
+ * @return An instance of {@link org.apache.flink.graph.GraphCsvReader}
, which on calling types() method to specify types of the
+ * Vertex ID, Vertex Value and Edge value returns a Graph
+ */
+
+ public static GraphCsvReader fromCsvReader(String path1, String path2,
ExecutionEnvironment context){
+ return (new GraphCsvReader(path1,path2,context));
+ }
+ /** Creates a graph from a CSV file for Edges., Vertices are
+ * induced from the edges.
+ *
+ * Edges with value are created from a CSV file with 3 fields. Vertices
are created
+ * automatically and their values are set to NullValue.
+ *
+ * @param path a path to a CSV file with the Edges data
+ * @param context the flink execution environment.
+ * @return An instance of {@link org.apache.flink.graph.GraphCsvReader}
, which on calling types() method to specify types of the
+ * Vertex ID, Vertex Value and Edge value returns a Graph
+ */
+
--- End diff --
new line
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