Package org.apache.commons.collections4

Examples of org.apache.commons.collections4.ListUtils$Partition

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  public Partition execute(Partition iPart)
      throws WindowingException
  {
    PartitionIterator<Object> pItr = iPart.iterator();
    RuntimeUtils.connectLeadLagFunctionsToPartition(qDef, pItr);
    Partition outP = new Partition(getPartitionClass(),
        getPartitionMemSize(), tDef.getSerde(), OI);
    execute(pItr, outP);
    return outP;
  }
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  protected void processInputPartition() throws HiveException
  {
    try
    {
      Partition outPart = Executor.executeChain(qDef, inputPart);
      Executor.executeSelectList(qDef, outPart, new ForwardPTF());
    }
    catch (WindowingException we)
    {
      throw new HiveException("Cannot close PTFOperator.", we);
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  protected void processMapFunction() throws HiveException
  {
    try
    {
      TableFuncDef tDef = RuntimeUtils.getFirstTableFunction(qDef);
      Partition outPart = tDef.getFunction().transformRawInput(inputPart);
      PartitionIterator<Object> pItr = outPart.iterator();
      while (pItr.hasNext())
      {
        Object oRow = pItr.next();
        forward(oRow, outputObjInspector);
      }
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    try
    {
      SerDe serDe = (SerDe) wIn.getDeserializer();
      StructObjectInspector oI = (StructObjectInspector) serDe
          .getObjectInspector();
      Partition p = new Partition(partitionClass, partitionMemSize,
          serDe, oI);
      Writable w = wIn.createRow();
      while( wIn.next(w) != -1)
      {
        p.append(w);
      }
      return p;
    }
    catch (WindowingException we)
    {
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  @SuppressWarnings({ "unchecked", "rawtypes" })
  @Override
  public void execute(PartitionIterator<Object> pItr, Partition outP) throws WindowingException
  {
    ArrayList<List<?>> oColumns = new ArrayList<List<?>>();
    Partition iPart = pItr.getPartition();
    StructObjectInspector inputOI;
    try {
      inputOI = (StructObjectInspector) iPart.getSerDe().getObjectInspector();
    } catch (SerDeException se) {
      throw new WindowingException(se);
    }
   
    try
    {
      for(WindowFunctionDef wFn : wFnDefs)
      {
        boolean processWindow = wFn.getWindow() != null;
        pItr.reset();
        if ( !processWindow )
        {
          GenericUDAFEvaluator fEval = wFn.getEvaluator();
          Object[] args = new Object[wFn.getArgs().size()];
          AggregationBuffer aggBuffer = fEval.getNewAggregationBuffer();
          while(pItr.hasNext())
          {
            Object row = pItr.next();
            int i =0;
            for(ArgDef arg : wFn.getArgs())
            {
              args[i++] = arg.getExprEvaluator().evaluate(row);
            }
            fEval.aggregate(aggBuffer, args);
          }
          Object out = fEval.evaluate(aggBuffer);
          WindowFunctionInfo wFnInfo = FunctionRegistry.getWindowFunctionInfo(wFn.getSpec().getName());
          if ( !wFnInfo.isPivotResult())
          {
            out = new SameList(iPart.size(), out);
          }
          oColumns.add((List<?>)out);
        }
        else
        {
          oColumns.add(executeFnwithWindow(getQueryDef(), wFn, iPart));
        }
      }
     
      for(int i=0; i < iPart.size(); i++)
      {
        ArrayList oRow = new ArrayList();
        Object iRow = iPart.getAt(i);
       
        for(StructField f : inputOI.getAllStructFieldRefs())
        {
          oRow.add(inputOI.getStructFieldData(iRow, f));
        }
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  }

  //loads the files and removes words which occur less than 5 tims
  public void loadProgram() throws FileNotFoundException
  {
    Bag wordBag = new HashBag();

    //Load all the medical files in the directory
    File[] fileList = new File(recordsDir).listFiles();
    for (int i = 0; i<fileList.length; i++) {
      loadFile(fileList[i].toString(), wordBag);
    }

    //dump bag into frequent who appear in 5 or more medical records
    for (Object obj : wordBag.uniqueSet()) {
      if (wordBag.getCount(obj) > 4){
        frequent.add((String)obj);
      }
    }

  }
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     * @param object  the input object
     * @return never
     * @throws FunctorException always
     */
    public boolean evaluate(final T object) {
        throw new FunctorException("ExceptionPredicate invoked");
    }
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     *
     * @return never
     * @throws FunctorException always
     */
    public T create() {
        throw new FunctorException("ExceptionFactory invoked");
    }
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        public T create() {
            try {
                return clazz.newInstance();
            } catch (final Exception ex) {
                throw new FunctorException("Cannot instantiate class: " + clazz, ex);
            }
        }
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        try {
            final Class<?> cls = input.getClass();
            final Method method = cls.getMethod(iMethodName, iParamTypes);
            return (O) method.invoke(input, iArgs);
        } catch (final NoSuchMethodException ex) {
            throw new FunctorException("InvokerTransformer: The method '" + iMethodName + "' on '" +
                                       input.getClass() + "' does not exist");
        } catch (final IllegalAccessException ex) {
            throw new FunctorException("InvokerTransformer: The method '" + iMethodName + "' on '" +
                                       input.getClass() + "' cannot be accessed");
        } catch (final InvocationTargetException ex) {
            throw new FunctorException("InvokerTransformer: The method '" + iMethodName + "' on '" +
                                       input.getClass() + "' threw an exception", ex);
        }
    }
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Related Classes of org.apache.commons.collections4.ListUtils$Partition

  • com.sap.hadoop.windowing.functions2.table.WindowingTableFunction
  • com.sap.hadoop.windowing.functions2.TableFunctionEvaluator
  • com.sap.hadoop.windowing.io.IOUtils
  • com.sap.hadoop.windowing.runtime2.mr.PTFOperator
  • junit.framework.TestSuite
  • org.apache.commons.collections4.comparators.BooleanComparator
  • org.apache.commons.collections4.comparators.BooleanComparatorTest
  • org.apache.commons.collections4.functors.CatchAndRethrowClosure
  • org.apache.commons.collections4.functors.ExceptionClosure
  • org.apache.commons.collections4.functors.ExceptionFactory
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