Package org.apache.hadoop.hive.ql.udf.generic

Examples of org.apache.hadoop.hive.ql.udf.generic.GenericUDFBridge

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    if (genericUDFType != null && genericUDFType.stateful()) {
      return true;
    }

    if (genericUDF instanceof GenericUDFBridge) {
      GenericUDFBridge bridge = (GenericUDFBridge) genericUDF;
      UDFType bridgeUDFType = bridge.getUdfClass().getAnnotation(UDFType.class);
      if (bridgeUDFType != null && bridgeUDFType.stateful()) {
        return true;
      }
    }
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    }

    String udfName;
    ExprNodeGenericFuncDesc funcDesc = (ExprNodeGenericFuncDesc) expr;
    if (funcDesc.getGenericUDF() instanceof GenericUDFBridge) {
      GenericUDFBridge func = (GenericUDFBridge) funcDesc.getGenericUDF();
      udfName = func.getUdfName();
    } else {
      udfName = funcDesc.getGenericUDF().getClass().getName();
    }
    if (!udfNames.contains(udfName)) {
      return expr;
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  public static void registerUDF(boolean isNative, String functionName,
      Class<? extends UDF> UDFClass, boolean isOperator, String displayName) {
    if (UDF.class.isAssignableFrom(UDFClass)) {
      FunctionInfo fI = new FunctionInfo(isNative, displayName,
          new GenericUDFBridge(displayName, isOperator, UDFClass));
      mFunctions.put(functionName.toLowerCase(), fI);
    } else {
      throw new RuntimeException("Registering UDF Class " + UDFClass
          + " which does not extend " + UDF.class);
    }
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    if (null == genericUDF) {
      return null;
    }

    if (genericUDF instanceof GenericUDFBridge) {
      GenericUDFBridge bridge = (GenericUDFBridge) genericUDF;
      return new GenericUDFBridge(bridge.getUdfName(), bridge.isOperator(),
          bridge.getUdfClass());
    }

    return (GenericUDF) ReflectionUtils
        .newInstance(genericUDF.getClass(), null);
  }
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    }
    ExprNodeGenericFuncDesc genericFuncDesc = (ExprNodeGenericFuncDesc) desc;
    if (!(genericFuncDesc.getGenericUDF() instanceof GenericUDFBridge)) {
      return null;
    }
    GenericUDFBridge bridge = (GenericUDFBridge) (genericFuncDesc
        .getGenericUDF());
    return bridge.getUdfClass();
  }
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    if (genericUDFType != null && genericUDFType.deterministic() == false) {
      return false;
    }

    if (genericUDF instanceof GenericUDFBridge) {
      GenericUDFBridge bridge = (GenericUDFBridge) (genericUDF);
      UDFType bridgeUDFType = bridge.getUdfClass().getAnnotation(UDFType.class);
      if (bridgeUDFType != null && bridgeUDFType.deterministic() == false) {
        return false;
      }
    }
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    if (genericUDFType != null && genericUDFType.stateful()) {
      return true;
    }

    if (genericUDF instanceof GenericUDFBridge) {
      GenericUDFBridge bridge = (GenericUDFBridge) genericUDF;
      UDFType bridgeUDFType = bridge.getUdfClass().getAnnotation(UDFType.class);
      if (bridgeUDFType != null && bridgeUDFType.stateful()) {
        return true;
      }
    }
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    }

    String udfName;
    ExprNodeGenericFuncDesc funcDesc = (ExprNodeGenericFuncDesc) expr;
    if (funcDesc.getGenericUDF() instanceof GenericUDFBridge) {
      GenericUDFBridge func = (GenericUDFBridge) funcDesc.getGenericUDF();
      udfName = func.getUdfName();
    } else {
      udfName = funcDesc.getGenericUDF().getClass().getName();
    }
    if (!udfNames.contains(udfName)) {
      return expr;
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        || !genericUDF.getClass().equals(dest.getGenericUDF().getClass())) {
      return false;
    }

    if (genericUDF instanceof GenericUDFBridge) {
      GenericUDFBridge bridge = (GenericUDFBridge) genericUDF;
      GenericUDFBridge bridge2 = (GenericUDFBridge) dest.getGenericUDF();
      if (!bridge.getUdfClass().equals(bridge2.getUdfClass())
          || !bridge.getUdfName().equals(bridge2.getUdfName())
          || bridge.isOperator() != bridge2.isOperator()) {
        return false;
      }
    }

    if (childExprs.size() != dest.getChildExprs().size()) {
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        || !genericUDF.getClass().equals(dest.getGenericUDF().getClass())) {
      return false;
    }

    if (genericUDF instanceof GenericUDFBridge) {
      GenericUDFBridge bridge = (GenericUDFBridge) genericUDF;
      GenericUDFBridge bridge2 = (GenericUDFBridge) dest.getGenericUDF();
      if (!bridge.getUdfClassName().equals(bridge2.getUdfClassName())
          || !bridge.getUdfName().equals(bridge2.getUdfName())
          || bridge.isOperator() != bridge2.isOperator()) {
        return false;
      }
    }

    if (chidren.size() != dest.getChildren().size()) {
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