Package org.apache.flink.api.java

Examples of org.apache.flink.api.java.CollectionEnvironment.fromElements()

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  @Test
  public void testUnaryOp() {
    try {
      ExecutionEnvironment env = new CollectionEnvironment();
     
      DataSet<String> bcData = env.fromElements(SUFFIX);
     
      List<String> result = new ArrayList<String>();
     
      env.fromElements(TEST_DATA)
          .map(new SuffixAppender()).withBroadcastSet(bcData, BC_VAR_NAME)
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      DataSet<String> bcData = env.fromElements(SUFFIX);
     
      List<String> result = new ArrayList<String>();
     
      env.fromElements(TEST_DATA)
          .map(new SuffixAppender()).withBroadcastSet(bcData, BC_VAR_NAME)
          .output(new LocalCollectionOutputFormat<String>(result));
     
      env.execute();
     
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  @Test
  public void testBinaryOp() {
    try {
      ExecutionEnvironment env = new CollectionEnvironment();
     
      DataSet<String> bcData = env.fromElements(SUFFIX);
      DataSet<String> inData = env.fromElements(TEST_DATA);
     
      List<String> result = new ArrayList<String>();
     
      inData.cross(inData).with(new SuffixCross()).withBroadcastSet(bcData, BC_VAR_NAME)
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  public void testBinaryOp() {
    try {
      ExecutionEnvironment env = new CollectionEnvironment();
     
      DataSet<String> bcData = env.fromElements(SUFFIX);
      DataSet<String> inData = env.fromElements(TEST_DATA);
     
      List<String> result = new ArrayList<String>();
     
      inData.cross(inData).with(new SuffixCross()).withBroadcastSet(bcData, BC_VAR_NAME)
          .output(new LocalCollectionOutputFormat<String>(result));
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  @Test
  public void testBulkIteration() {
    try {
      ExecutionEnvironment env = new CollectionEnvironment();
     
      IterativeDataSet<Integer> iteration = env.fromElements(1).iterate(10);
     
      DataSet<Integer> result = iteration.closeWith(iteration.map(new AddSuperstepNumberMapper()));
     
      List<Integer> collected = new ArrayList<Integer>();
      result.output(new LocalCollectionOutputFormat<Integer>(collected));
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  @Test
  public void testBulkIterationWithTerminationCriterion() {
    try {
      ExecutionEnvironment env = new CollectionEnvironment();
     
      IterativeDataSet<Integer> iteration = env.fromElements(1).iterate(100);
     
      DataSet<Integer> iterationResult = iteration.map(new AddSuperstepNumberMapper());

      DataSet<Integer> terminationCriterion = iterationResult.filter(new FilterFunction<Integer>() {
        public boolean filter(Integer value) {
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  public void testDeltaIteration() {
    try {
      ExecutionEnvironment env = new CollectionEnvironment();

      @SuppressWarnings("unchecked")
      DataSet<Tuple2<Integer, Integer>> solInput = env.fromElements(
          new Tuple2<Integer, Integer>(1, 0),
          new Tuple2<Integer, Integer>(2, 0),
          new Tuple2<Integer, Integer>(3, 0),
          new Tuple2<Integer, Integer>(4, 0));
     
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          new Tuple2<Integer, Integer>(2, 0),
          new Tuple2<Integer, Integer>(3, 0),
          new Tuple2<Integer, Integer>(4, 0));
     
      @SuppressWarnings("unchecked")
      DataSet<Tuple1<Integer>> workInput = env.fromElements(
          new Tuple1<Integer>(1),
          new Tuple1<Integer>(2),
          new Tuple1<Integer>(3),
          new Tuple1<Integer>(4));
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