Examples of org.apache.flink.compiler.DataStatistics

org.apache.flink.compiler.DataStatistics
The collection of access methods that can be used to retrieve statistical information about the data processed in a job. Currently this method acts as an entry point only for obtaining cached statistics.

        // we use the existing session
        shutDownAtEnd = false;
      }


      try {
        PactCompiler pc = new PactCompiler(new DataStatistics());
        OptimizedPlan op = pc.compile(plan);
        
        NepheleJobGraphGenerator jgg = new NepheleJobGraphGenerator();
        JobGraph jobGraph = jgg.compileJobGraph(op);

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   *            The program's plan.
   * @return JSON dump of the optimized plan.
   * @throws Exception
   */
  public String getOptimizerPlanAsJSON(Plan plan) throws Exception {
    PactCompiler pc = new PactCompiler(new DataStatistics());
    OptimizedPlan op = pc.compile(plan);
    PlanJSONDumpGenerator gen = new PlanJSONDumpGenerator();
  
    return gen.getOptimizerPlanAsJSON(op);
  }

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   */
  public static String optimizerPlanAsJSON(Plan plan) throws Exception {
    LocalExecutor exec = new LocalExecutor();
    try {
      exec.start();
      PactCompiler pc = new PactCompiler(new DataStatistics());
      OptimizedPlan op = pc.compile(plan);
      PlanJSONDumpGenerator gen = new PlanJSONDumpGenerator();


      return gen.getOptimizerPlanAsJSON(op);
    } finally {

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