org.apache.hadoop.hive.serde2.avro

Class AvroLazyObjectInspector

java.lang.Object

org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector

org.apache.hadoop.hive.serde2.BaseStructObjectInspector

org.apache.hadoop.hive.serde2.lazy.objectinspector.LazySimpleStructObjectInspector

org.apache.hadoop.hive.serde2.avro.AvroLazyObjectInspector

All Implemented Interfaces:

Cloneable, ObjectInspector

public class AvroLazyObjectInspector
extends LazySimpleStructObjectInspector

Lazy objectinspector for avro serialization

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.serde2.BaseStructObjectInspector

BaseStructObjectInspector.MyField

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

ObjectInspector.Category

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.commons.logging.Log	LOG LOGGER

Fields inherited from class org.apache.hadoop.hive.serde2.BaseStructObjectInspector

fields

Constructor Summary

Constructors

Constructor and Description
AvroLazyObjectInspector(List<String> structFieldNames, List<ObjectInspector> structFieldObjectInspectors, List<String> structFieldComments, byte separator, LazyObjectInspectorParameters lazyParams)
AvroLazyObjectInspector(List<String> structFieldNames, List<ObjectInspector> structFieldObjectInspectors, List<String> structFieldComments, byte separator, org.apache.hadoop.io.Text nullSequence, boolean lastColumnTakesRest, boolean escaped, byte escapeChar) Deprecated.

Method Summary

Methods

Modifier and Type	Method and Description
Object	getStructFieldData(Object data, StructField f) returns null for data = null.
List<Object>	getStructFieldsDataAsList(Object data) returns null for data = null.
void	setReaderSchema(org.apache.avro.Schema readerSchema) Set the reader schema for the AvroLazyObjectInspector to the given schema
void	setSchemaRetriever(AvroSchemaRetriever schemaRetriever) Set the AvroSchemaRetriever for the AvroLazyObjectInspector to the given class

Methods inherited from class org.apache.hadoop.hive.serde2.lazy.objectinspector.LazySimpleStructObjectInspector

getEscapeChar, getLastColumnTakesRest, getLazyParams, getNullSequence, getSeparator, init, init, isEscaped

Methods inherited from class org.apache.hadoop.hive.serde2.BaseStructObjectInspector

createField, getAllStructFieldRefs, getCategory, getStructFieldRef, getTypeName, init, init

Methods inherited from class org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector

isSettable, toString

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final org.apache.commons.logging.Log LOG

LOGGER

Constructor Detail

AvroLazyObjectInspector

@Deprecated
public AvroLazyObjectInspector(List<String> structFieldNames,
                                  List<ObjectInspector> structFieldObjectInspectors,
                                  List<String> structFieldComments,
                                  byte separator,
                                  org.apache.hadoop.io.Text nullSequence,
                                  boolean lastColumnTakesRest,
                                  boolean escaped,
                                  byte escapeChar)

Deprecated.

Constructor

Parameters:

structFieldNames - fields within the given protobuf object

structFieldObjectInspectors - object inspectors for the fields

structFieldComments - comments for the given fields

separator - separator between different fields

nullSequence - sequence to represent null value

lastColumnTakesRest - whether the last column of the struct should take the rest of the row if there are extra fields.

escaped - whether the data is escaped or not

escapeChar - if escaped is true, the escape character

AvroLazyObjectInspector

public AvroLazyObjectInspector(List<String> structFieldNames,
                       List<ObjectInspector> structFieldObjectInspectors,
                       List<String> structFieldComments,
                       byte separator,
                       LazyObjectInspectorParameters lazyParams)

Method Detail

setReaderSchema

public void setReaderSchema(org.apache.avro.Schema readerSchema)

Set the reader schema for the AvroLazyObjectInspector to the given schema

setSchemaRetriever

public void setSchemaRetriever(AvroSchemaRetriever schemaRetriever)

Set the AvroSchemaRetriever for the AvroLazyObjectInspector to the given class

Parameters:

scheamRetrieverClass - the schema retriever class to be set

getStructFieldData

public Object getStructFieldData(Object data,
                        StructField f)

Description copied from class: StructObjectInspector

returns null for data = null.

Overrides:

getStructFieldData in class LazySimpleStructObjectInspector

getStructFieldsDataAsList

public List<Object> getStructFieldsDataAsList(Object data)

Description copied from class: StructObjectInspector

returns null for data = null.

Overrides:

getStructFieldsDataAsList in class LazySimpleStructObjectInspector