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

Class LazySimpleStructObjectInspector

java.lang.Object

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

org.apache.hadoop.hive.serde2.BaseStructObjectInspector

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

All Implemented Interfaces:

Cloneable, ObjectInspector

Direct Known Subclasses:

AvroLazyObjectInspector

public class LazySimpleStructObjectInspector
extends BaseStructObjectInspector

LazySimpleStructObjectInspector works on struct data that is stored in LazyStruct. The names of the struct fields and the internal structure of the struct fields are specified in the ctor of the LazySimpleStructObjectInspector. Always use the ObjectInspectorFactory to create new ObjectInspector objects, instead of directly creating an instance of this class.

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

fields

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LazySimpleStructObjectInspector()
protected	LazySimpleStructObjectInspector(List<String> structFieldNames, List<ObjectInspector> structFieldObjectInspectors, byte separator, org.apache.hadoop.io.Text nullSequence, boolean lastColumnTakesRest, boolean escaped, byte escapeChar) Deprecated.
	LazySimpleStructObjectInspector(List<String> structFieldNames, List<ObjectInspector> structFieldObjectInspectors, List<String> structFieldComments, byte separator, LazyObjectInspectorParameters lazyParams)
	LazySimpleStructObjectInspector(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
byte	getEscapeChar()
boolean	getLastColumnTakesRest()
LazyObjectInspectorParameters	getLazyParams()
org.apache.hadoop.io.Text	getNullSequence()
byte	getSeparator()
Object	getStructFieldData(Object data, StructField fieldRef) returns null for data = null.
List<Object>	getStructFieldsDataAsList(Object data) returns null for data = null.
protected void	init(List<String> structFieldNames, List<ObjectInspector> structFieldObjectInspectors, List<String> structFieldComments, byte separator, LazyObjectInspectorParameters lazyParams)
protected void	init(List<String> structFieldNames, List<ObjectInspector> structFieldObjectInspectors, List<String> structFieldComments, byte separator, org.apache.hadoop.io.Text nullSequence, boolean lastColumnTakesRest, boolean escaped, byte escapeChar)
boolean	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

Constructor Detail

LazySimpleStructObjectInspector

protected LazySimpleStructObjectInspector()

LazySimpleStructObjectInspector

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

Deprecated.

Call ObjectInspectorFactory.getLazySimpleStructObjectInspector instead.

LazySimpleStructObjectInspector

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

Deprecated.

LazySimpleStructObjectInspector

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

Method Detail

init

protected void init(List<String> structFieldNames,
        List<ObjectInspector> structFieldObjectInspectors,
        List<String> structFieldComments,
        byte separator,
        org.apache.hadoop.io.Text nullSequence,
        boolean lastColumnTakesRest,
        boolean escaped,
        byte escapeChar)

init

protected void init(List<String> structFieldNames,
        List<ObjectInspector> structFieldObjectInspectors,
        List<String> structFieldComments,
        byte separator,
        LazyObjectInspectorParameters lazyParams)

getStructFieldData

public Object getStructFieldData(Object data,
                        StructField fieldRef)

Description copied from class: StructObjectInspector

returns null for data = null.

Specified by:

getStructFieldData in class StructObjectInspector

getStructFieldsDataAsList

public List<Object> getStructFieldsDataAsList(Object data)

Description copied from class: StructObjectInspector

returns null for data = null.

Specified by:

getStructFieldsDataAsList in class StructObjectInspector

getSeparator

public byte getSeparator()

getNullSequence

public org.apache.hadoop.io.Text getNullSequence()

getLastColumnTakesRest

public boolean getLastColumnTakesRest()

isEscaped

public boolean isEscaped()

getEscapeChar

public byte getEscapeChar()

getLazyParams

public LazyObjectInspectorParameters getLazyParams()