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From rmetzger <...@git.apache.org>
Subject [GitHub] incubator-flink pull request: [FLINK-1110] Add collection-based ex...
Date Tue, 07 Oct 2014 13:18:09 GMT
Github user rmetzger commented on a diff in the pull request:

    https://github.com/apache/incubator-flink/pull/139#discussion_r18518034
  
    --- Diff: flink-examples/flink-java-examples/src/main/java/org/apache/flink/example/java/environments/CollectionExecutionExample.java
---
    @@ -0,0 +1,48 @@
    +/**
    + * 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.example.java.environments;
    +
    +import org.apache.flink.api.common.functions.MapFunction;
    +import org.apache.flink.api.java.CollectionEnvironment;
    +
    +/**
    + * This example shows how to use Flink's collection execution functionality.
    + * Collection-based execution is an extremely lightweight, non-parallel way to
    + * execute programs on small data: The programs are s
    + * 
    + * Because this method of execution spawns no background threads, managed memory, 
    + * coordinator, or parallel worker, it has a minimal execution footprint. 
    + */
    +public class CollectionExecutionExample {
    +
    +	public static void main(String[] args) throws Exception {
    +		
    +		CollectionEnvironment env = new CollectionEnvironment();
    +		
    +		env.fromElements("A", "B", "C", "D")
    +			.map(new MapFunction<String, String>() {
    +				public String map(String value) {
    +					return value + " " + 1;
    +				};
    +			})
    +		.print();
    --- End diff --
    
    Is there a facility to access the results? (a collection from a `DataSet`) ?


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