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https://issues.apache.org/jira/browse/FLINK-2561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14946837#comment-14946837
]
ASF GitHub Bot commented on FLINK-2561:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/1211#discussion_r41388362
--- Diff:
flink-staging/flink-gelly-scala/src/main/scala/org/apache/flink/graph/scala/example/ConnectedComponents.scala
---
@@ -0,0 +1,121 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.graph.scala.example;
+
+import org.apache.flink.api.scala._
+import org.apache.flink.graph.scala._
+import org.apache.flink.graph.Edge
+import org.apache.flink.types.NullValue
+import org.apache.flink.graph.example.utils.ConnectedComponentsDefaultData
+import org.apache.flink.api.common.functions.MapFunction
+import org.apache.flink.graph.library.GSAConnectedComponents
+import java.lang.Long
+
+/**
+ * This example shows how to use Gelly's library methods.
+ * You can find all available library methods in
[[org.apache.flink.graph.library]].
+ *
+ * In particular, this example uses the
+ *
[[org.apache.flink.graph.library.ConnectedComponentsAlgorithm.GSAConnectedComponents]]
+ * library method to compute the connected components of the input graph.
+ *
+ * The input file is a plain text file and must be formatted as follows:
+ * Edges are represented by tuples of srcVertexId, trgVertexId which are
+ * separated by tabs. Edges themselves are separated by newlines.
+ * For example: <code>1\t2\n1\t3\n</code> defines two edges,
+ * 1-2 with and 1-3.
--- End diff --
"1-2 and 1-3"?
> Sync Gelly Java and Scala APIs
> ------------------------------
>
> Key: FLINK-2561
> URL: https://issues.apache.org/jira/browse/FLINK-2561
> Project: Flink
> Issue Type: Task
> Components: Gelly
> Reporter: Vasia Kalavri
> Assignee: Vasia Kalavri
> Fix For: 0.10
>
>
> There is some functionality and tests missing from the Gelly Scala API. This
> should be added, together with documentation, a completeness test and some
> usage examples.
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