本文整理汇总了Java中org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector方法的典型用法代码示例。如果您正苦于以下问题：Java PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector方法的具体用法？Java PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector怎么用？Java PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory的用法示例。
在下文中一共展示了PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: initialize
import org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory; //导入方法依赖的package包/类
@Override
public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
if (arguments.length != 1) {
throw new UDFArgumentLengthException(
"extract_weight() has an single arguments: string feature");
}
argumentOI = (PrimitiveObjectInspector) arguments[0];
if (argumentOI.getPrimitiveCategory() != PrimitiveCategory.STRING) {
throw new UDFArgumentTypeException(0, "Type mismatch: feature");
}
return PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(PrimitiveCategory.DOUBLE);
}
示例2: initializeNumber
import org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory; //导入方法依赖的package包/类
private ObjectInspector initializeNumber(ObjectInspector[] arguments)
throws UDFArgumentException {
if (arguments.length < 1 || arguments.length > 2) {
throw new UDFArgumentLengthException(
"TRUNC requires one or two argument, got " + arguments.length);
}
if (arguments[0].getCategory() != Category.PRIMITIVE) {
throw new UDFArgumentTypeException(0,
"TRUNC input only takes primitive types, got " + arguments[0].getTypeName());
}
inputOI = (PrimitiveObjectInspector) arguments[0];
if (arguments.length == 2) {
if (arguments[1].getCategory() != Category.PRIMITIVE) {
throw new UDFArgumentTypeException(1,
"TRUNC second argument only takes primitive types, got " + arguments[1].getTypeName());
}
inputScaleOI = (PrimitiveObjectInspector) arguments[1];
inputSacleConst = arguments[1] instanceof ConstantObjectInspector;
if (inputSacleConst) {
try {
Object obj = ((ConstantObjectInspector) arguments[1]).getWritableConstantValue();
fmtInput = obj != null ? obj.toString() : null;
scale = Integer.parseInt(fmtInput);
} catch (Exception e) {
throw new UDFArgumentException("TRUNC input only takes integer values, got " + fmtInput);
}
} else {
switch (inputScaleOI.getPrimitiveCategory()) {
case BYTE:
byteConverter = ObjectInspectorConverters.getConverter(arguments[1],
PrimitiveObjectInspectorFactory.writableByteObjectInspector);
break;
case SHORT:
shortConverter = ObjectInspectorConverters.getConverter(arguments[1],
PrimitiveObjectInspectorFactory.writableShortObjectInspector);
break;
case INT:
intConverter = ObjectInspectorConverters.getConverter(arguments[1],
PrimitiveObjectInspectorFactory.writableIntObjectInspector);
break;
case LONG:
longConverter = ObjectInspectorConverters.getConverter(arguments[1],
PrimitiveObjectInspectorFactory.writableLongObjectInspector);
break;
default:
throw new UDFArgumentTypeException(1,
getFuncName().toUpperCase() + " second argument only takes integer values");
}
}
}
inputType1 = inputOI.getPrimitiveCategory();
ObjectInspector outputOI = null;
switch (inputType1) {
case DECIMAL:
outputOI = PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(inputType1);
break;
case VOID:
case BYTE:
case SHORT:
case INT:
case LONG:
case FLOAT:
case DOUBLE:
outputOI = PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(inputType1);
break;
default:
throw new UDFArgumentTypeException(0,
"Only numeric or string group data types are allowed for TRUNC function. Got "
+ inputType1.name());
}
return outputOI;
}