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[GitHub] incubator-gearpump pull request #246: Apache Kudu Akka Streaming Sink


Github user SandishKumarHN commented on a diff in the pull request:

    https://github.com/apache/incubator-gearpump/pull/246#discussion_r186252345
  
    --- Diff: examples/streaming/kudu/src/main/scala/org/apache/gearpump/streaming/examples/kudu/Split.scala ---
    @@ -0,0 +1,45 @@
    +/*
    + * 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.gearpump.streaming.examples.kudu
    +
    +import java.time.Instant
    +
    +import org.apache.gearpump.Message
    +import org.apache.gearpump.streaming.source.DataSource
    +import org.apache.gearpump.streaming.task.TaskContext
    +
    +class Split extends DataSource {
    +
    +  private var x = 0
    +
    +  override def open(context: TaskContext, startTime: Instant): Unit = {}
    +
    +  override def read(): Message = {
    +
    +    val tuple = ("column1" -> s"value$x", "column2" -> s"value2$x")
    +    x+=1
    --- End diff --
    
    what is overflow??


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