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

Class AbstractPrimitiveWritableObjectInspector

java.lang.Object

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

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

All Implemented Interfaces:

Cloneable, ObjectInspector, PrimitiveObjectInspector

Direct Known Subclasses:

WritableBinaryObjectInspector, WritableBooleanObjectInspector, WritableByteObjectInspector, WritableDateObjectInspector, WritableDoubleObjectInspector, WritableFloatObjectInspector, WritableHiveCharObjectInspector, WritableHiveDecimalObjectInspector, WritableHiveIntervalDayTimeObjectInspector, WritableHiveIntervalYearMonthObjectInspector, WritableHiveVarcharObjectInspector, WritableIntObjectInspector, WritableLongObjectInspector, WritableShortObjectInspector, WritableStringObjectInspector, WritableTimestampObjectInspector, WritableVoidObjectInspector

public abstract class AbstractPrimitiveWritableObjectInspector
extends AbstractPrimitiveObjectInspector

An AbstractWritablePrimitiveObjectInspector for a Writable object.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspector

PrimitiveObjectInspector.PrimitiveCategory

Nested classes/interfaces inherited from interface org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector

ObjectInspector.Category

Field Summary

Fields inherited from class org.apache.hadoop.hive.serde2.objectinspector.primitive.AbstractPrimitiveObjectInspector

typeInfo

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractPrimitiveWritableObjectInspector()
protected	AbstractPrimitiveWritableObjectInspector(PrimitiveTypeInfo typeInfo)

Method Summary

Methods

Modifier and Type	Method and Description
Object	getPrimitiveWritableObject(Object o) Return the data in an instance of primitive writable Object.
boolean	preferWritable() Whether the ObjectInspector prefers to return a Primitive Writable Object instead of a Primitive Java Object.

Methods inherited from class org.apache.hadoop.hive.serde2.objectinspector.primitive.AbstractPrimitiveObjectInspector

getCategory, getJavaPrimitiveClass, getPrimitiveCategory, getPrimitiveWritableClass, getTypeInfo, getTypeName, precision, scale

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspector

copyObject, getPrimitiveJavaObject

Constructor Detail

AbstractPrimitiveWritableObjectInspector

protected AbstractPrimitiveWritableObjectInspector()

AbstractPrimitiveWritableObjectInspector

protected AbstractPrimitiveWritableObjectInspector(PrimitiveTypeInfo typeInfo)

Method Detail

getPrimitiveWritableObject

public Object getPrimitiveWritableObject(Object o)

Description copied from interface: PrimitiveObjectInspector

Return the data in an instance of primitive writable Object. If the Object is already a primitive writable Object, just return o.

preferWritable

public boolean preferWritable()

Description copied from interface: PrimitiveObjectInspector

Whether the ObjectInspector prefers to return a Primitive Writable Object instead of a Primitive Java Object. This can be useful for determining the most efficient way to getting data out of the Object.