org.apache.hadoop.hive.serde2.objectinspector.primitive

Class PrimitiveObjectInspectorUtils

java.lang.Object

org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorUtils

public final class PrimitiveObjectInspectorUtils
extends Object

ObjectInspectorFactory is the primary way to create new ObjectInspector instances. SerDe classes should call the static functions in this library to create an ObjectInspector to return to the caller of SerDe2.getObjectInspector().

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PrimitiveObjectInspectorUtils.PrimitiveGrouping Provide a general grouping for each primitive data type.
static class	PrimitiveObjectInspectorUtils.PrimitiveTypeEntry TypeEntry stores information about a Hive Primitive TypeInfo.

Field Summary

Fields

Modifier and Type	Field and Description
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	binaryTypeEntry
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	booleanTypeEntry
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	byteTypeEntry
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	charTypeEntry
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	dateTypeEntry
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	decimalTypeEntry
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	doubleTypeEntry
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	floatTypeEntry
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	intervalDayTimeTypeEntry
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	intervalYearMonthTypeEntry
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	intTypeEntry
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	longTypeEntry
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	shortTypeEntry
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	stringTypeEntry
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	timestampTypeEntry
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	unknownTypeEntry
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	varcharTypeEntry
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	voidTypeEntry

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	comparePrimitiveObjects(Object o1, PrimitiveObjectInspector oi1, Object o2, PrimitiveObjectInspector oi2) Compare 2 primitive objects.
static boolean	comparePrimitiveObjectsWithConversion(Object o1, PrimitiveObjectInspector oi1, Object o2, PrimitiveObjectInspector oi2) Compare 2 Primitive Objects with their Object Inspector, conversions allowed.
static double	convertPrimitiveToDouble(Object o, PrimitiveObjectInspector oi) Convert a primitive object to double.
static org.apache.hadoop.io.BytesWritable	getBinary(Object o, PrimitiveObjectInspector oi)
static org.apache.hadoop.io.BytesWritable	getBinaryFromText(org.apache.hadoop.io.Text text)
static boolean	getBoolean(Object o, PrimitiveObjectInspector oi) Get the boolean value out of a primitive object.
static byte	getByte(Object o, PrimitiveObjectInspector oi) Get the byte value out of a primitive object.
static Date	getDate(Object o, PrimitiveObjectInspector oi)
static double	getDouble(Object o, PrimitiveObjectInspector oi) Get the double value out of a primitive object.
static float	getFloat(Object o, PrimitiveObjectInspector oi) Get the float value out of a primitive object.
static HiveChar	getHiveChar(Object o, PrimitiveObjectInspector oi)
static HiveDecimal	getHiveDecimal(Object o, PrimitiveObjectInspector oi)
static HiveIntervalDayTime	getHiveIntervalDayTime(Object o, PrimitiveObjectInspector oi)
static HiveIntervalYearMonth	getHiveIntervalYearMonth(Object o, PrimitiveObjectInspector oi)
static HiveVarchar	getHiveVarchar(Object o, PrimitiveObjectInspector oi)
static int	getInt(Object o, PrimitiveObjectInspector oi) Get the integer value out of a primitive object.
static Class<?>	getJavaPrimitiveClassFromObjectInspector(ObjectInspector oi)
static long	getLong(Object o, PrimitiveObjectInspector oi) Get the long value out of a primitive object.
static PrimitiveObjectInspectorUtils.PrimitiveGrouping	getPrimitiveGrouping(PrimitiveObjectInspector.PrimitiveCategory primitiveCategory) Based on the PrimitiveCategory of a type, return the PrimitiveGrouping that the PrimitiveCategory belongs to (numeric, string, date, etc).
static short	getShort(Object o, PrimitiveObjectInspector oi) Get the short value out of a primitive object.
static String	getString(Object o, PrimitiveObjectInspector oi) Get the String value out of a primitive object.
static Timestamp	getTimestamp(Object o, PrimitiveObjectInspector oi)
static Timestamp	getTimestamp(Object o, PrimitiveObjectInspector inputOI, boolean intToTimestampInSeconds)
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	getTypeEntryFromPrimitiveCategory(PrimitiveObjectInspector.PrimitiveCategory category) Get the typeName from a Java Primitive Type or Java PrimitiveClass.
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	getTypeEntryFromPrimitiveJava(Class<?> clazz) Get the TypeEntry for a Java Primitive Type or Java PrimitiveClass.
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	getTypeEntryFromPrimitiveJavaClass(Class<?> clazz) Get the TypeEntry for a Java Primitive Type or Java PrimitiveClass.
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	getTypeEntryFromPrimitiveJavaType(Class<?> clazz) Get the TypeEntry for a Java Primitive Type or Java PrimitiveClass.
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	getTypeEntryFromPrimitiveWritableClass(Class<?> clazz) Get the TypeEntry for a Primitive Writable Class.
static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry	getTypeEntryFromTypeName(String typeName) Get the TypeEntry for the given base type name (int, varchar, etc).
static String	getTypeNameFromPrimitiveJava(Class<?> clazz) Get the typeName from a Java Primitive Type or Java PrimitiveClass.
static String	getTypeNameFromPrimitiveWritable(Class<?> clazz) Get the typeName from a Primitive Writable Class.
static boolean	isPrimitiveJava(Class<?> clazz) Whether the class is a Java Primitive type or a Java Primitive class.
static boolean	isPrimitiveJavaClass(Class<?> clazz) Whether the class is a Java Primitive class.
static boolean	isPrimitiveJavaType(Class<?> clazz) Whether the class is a Java Primitive type.
static boolean	isPrimitiveWritableClass(Class<?> clazz) Whether the class is a Hive Primitive Writable class.
static Class<?>	primitiveJavaTypeToClass(Class<?> clazz) Return Whether the class is a Java Primitive type or a Java Primitive class.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

binaryTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry binaryTypeEntry

stringTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry stringTypeEntry

booleanTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry booleanTypeEntry

intTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry intTypeEntry

longTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry longTypeEntry

floatTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry floatTypeEntry

voidTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry voidTypeEntry

doubleTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry doubleTypeEntry

byteTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry byteTypeEntry

shortTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry shortTypeEntry

dateTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry dateTypeEntry

timestampTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry timestampTypeEntry

intervalYearMonthTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry intervalYearMonthTypeEntry

intervalDayTimeTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry intervalDayTimeTypeEntry

decimalTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry decimalTypeEntry

varcharTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry varcharTypeEntry

charTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry charTypeEntry

unknownTypeEntry

public static final PrimitiveObjectInspectorUtils.PrimitiveTypeEntry unknownTypeEntry

Method Detail

primitiveJavaTypeToClass

public static Class<?> primitiveJavaTypeToClass(Class<?> clazz)

Return Whether the class is a Java Primitive type or a Java Primitive class.

isPrimitiveJava

public static boolean isPrimitiveJava(Class<?> clazz)

Whether the class is a Java Primitive type or a Java Primitive class.

isPrimitiveJavaType

public static boolean isPrimitiveJavaType(Class<?> clazz)

Whether the class is a Java Primitive type.

isPrimitiveJavaClass

public static boolean isPrimitiveJavaClass(Class<?> clazz)

Whether the class is a Java Primitive class.

isPrimitiveWritableClass

public static boolean isPrimitiveWritableClass(Class<?> clazz)

Whether the class is a Hive Primitive Writable class.

getTypeNameFromPrimitiveJava

public static String getTypeNameFromPrimitiveJava(Class<?> clazz)

Get the typeName from a Java Primitive Type or Java PrimitiveClass.

getTypeNameFromPrimitiveWritable

public static String getTypeNameFromPrimitiveWritable(Class<?> clazz)

Get the typeName from a Primitive Writable Class.

getTypeEntryFromPrimitiveCategory

public static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry getTypeEntryFromPrimitiveCategory(PrimitiveObjectInspector.PrimitiveCategory category)

Get the typeName from a Java Primitive Type or Java PrimitiveClass.

getTypeEntryFromPrimitiveJava

public static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry getTypeEntryFromPrimitiveJava(Class<?> clazz)

Get the TypeEntry for a Java Primitive Type or Java PrimitiveClass.

getTypeEntryFromPrimitiveJavaType

public static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry getTypeEntryFromPrimitiveJavaType(Class<?> clazz)

Get the TypeEntry for a Java Primitive Type or Java PrimitiveClass.

getTypeEntryFromPrimitiveJavaClass

public static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry getTypeEntryFromPrimitiveJavaClass(Class<?> clazz)

Get the TypeEntry for a Java Primitive Type or Java PrimitiveClass.

getTypeEntryFromPrimitiveWritableClass

public static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry getTypeEntryFromPrimitiveWritableClass(Class<?> clazz)

Get the TypeEntry for a Primitive Writable Class.

getTypeEntryFromTypeName

public static PrimitiveObjectInspectorUtils.PrimitiveTypeEntry getTypeEntryFromTypeName(String typeName)

Get the TypeEntry for the given base type name (int, varchar, etc).

comparePrimitiveObjects

public static boolean comparePrimitiveObjects(Object o1,
                              PrimitiveObjectInspector oi1,
                              Object o2,
                              PrimitiveObjectInspector oi2)

Compare 2 primitive objects. Conversion not allowed. Note that NULL does not equal to NULL according to SQL standard.

convertPrimitiveToDouble

public static double convertPrimitiveToDouble(Object o,
                              PrimitiveObjectInspector oi)

Convert a primitive object to double.

comparePrimitiveObjectsWithConversion

public static boolean comparePrimitiveObjectsWithConversion(Object o1,
                                            PrimitiveObjectInspector oi1,
                                            Object o2,
                                            PrimitiveObjectInspector oi2)

Compare 2 Primitive Objects with their Object Inspector, conversions allowed. Note that NULL does not equal to NULL according to SQL standard.

getBoolean

public static boolean getBoolean(Object o,
                 PrimitiveObjectInspector oi)

Get the boolean value out of a primitive object. Note that NullPointerException will be thrown if o is null. Note that NumberFormatException will be thrown if o is not a valid number.

getByte

public static byte getByte(Object o,
           PrimitiveObjectInspector oi)

Get the byte value out of a primitive object. Note that NullPointerException will be thrown if o is null. Note that NumberFormatException will be thrown if o is not a valid number.

getShort

public static short getShort(Object o,
             PrimitiveObjectInspector oi)

Get the short value out of a primitive object. Note that NullPointerException will be thrown if o is null. Note that NumberFormatException will be thrown if o is not a valid number.

getInt

public static int getInt(Object o,
         PrimitiveObjectInspector oi)

Get the integer value out of a primitive object. Note that NullPointerException will be thrown if o is null. Note that NumberFormatException will be thrown if o is not a valid number.

getLong

public static long getLong(Object o,
           PrimitiveObjectInspector oi)

Get the long value out of a primitive object. Note that NullPointerException will be thrown if o is null. Note that NumberFormatException will be thrown if o is not a valid number.

getDouble

public static double getDouble(Object o,
               PrimitiveObjectInspector oi)

Get the double value out of a primitive object. Note that NullPointerException will be thrown if o is null. Note that NumberFormatException will be thrown if o is not a valid number.

getFloat

public static float getFloat(Object o,
             PrimitiveObjectInspector oi)

Get the float value out of a primitive object. Note that NullPointerException will be thrown if o is null. Note that NumberFormatException will be thrown if o is not a valid number.

getString

public static String getString(Object o,
               PrimitiveObjectInspector oi)

Get the String value out of a primitive object. Note that NullPointerException will be thrown if o is null. Note that RuntimeException will be thrown if o is not a valid string.

getHiveChar

public static HiveChar getHiveChar(Object o,
                   PrimitiveObjectInspector oi)

getHiveVarchar

public static HiveVarchar getHiveVarchar(Object o,
                         PrimitiveObjectInspector oi)

getBinaryFromText

public static org.apache.hadoop.io.BytesWritable getBinaryFromText(org.apache.hadoop.io.Text text)

getBinary

public static org.apache.hadoop.io.BytesWritable getBinary(Object o,
                                           PrimitiveObjectInspector oi)

getHiveDecimal

public static HiveDecimal getHiveDecimal(Object o,
                         PrimitiveObjectInspector oi)

getDate

public static Date getDate(Object o,
           PrimitiveObjectInspector oi)

getTimestamp

public static Timestamp getTimestamp(Object o,
                     PrimitiveObjectInspector oi)

getTimestamp

public static Timestamp getTimestamp(Object o,
                     PrimitiveObjectInspector inputOI,
                     boolean intToTimestampInSeconds)

getHiveIntervalYearMonth

public static HiveIntervalYearMonth getHiveIntervalYearMonth(Object o,
                                             PrimitiveObjectInspector oi)

getHiveIntervalDayTime

public static HiveIntervalDayTime getHiveIntervalDayTime(Object o,
                                         PrimitiveObjectInspector oi)

getJavaPrimitiveClassFromObjectInspector

public static Class<?> getJavaPrimitiveClassFromObjectInspector(ObjectInspector oi)

getPrimitiveGrouping

public static PrimitiveObjectInspectorUtils.PrimitiveGrouping getPrimitiveGrouping(PrimitiveObjectInspector.PrimitiveCategory primitiveCategory)

Based on the PrimitiveCategory of a type, return the PrimitiveGrouping that the PrimitiveCategory belongs to (numeric, string, date, etc).

Parameters:

primitiveCategory - Primitive category of the type

Returns:

PrimitveGrouping corresponding to the PrimitiveCategory, or UNKNOWN_GROUP if the type does not match to a grouping.