public class SingleDictReaderImpl extends AbstractRepeatedMapReaderImpl<DictVector> implements BaseReader.DictReader
BaseReader.ComplexReader, BaseReader.DictReader, BaseReader.ListReader, BaseReader.MapReader, BaseReader.RepeatedListReader, BaseReader.RepeatedMapReader, BaseReader.ScalarReader| Modifier and Type | Field and Description |
|---|---|
static int |
NOT_FOUND |
currentOffset, fields, maxOffset, NO_VALUES, vector| Constructor and Description |
|---|
SingleDictReaderImpl(DictVector vector) |
| Modifier and Type | Method and Description |
|---|---|
void |
copyAsValue(BaseWriter.DictWriter writer) |
void |
copyAsValue(BaseWriter.ListWriter writer) |
void |
copyAsValue(UnionWriter writer) |
int |
find(int key)
Obtain the index for given key in current row used to find a corresponding value with.
|
int |
find(Object key)
Obtain the index for given key in current row used to find a corresponding value with.
|
int |
find(String key)
Obtain the index for given key in current row used to find a corresponding value with.
|
MaterializedField |
getField() |
String |
getTypeString()
Returns
String representation of the reader's type. |
TypeProtos.MinorType |
getVectorType()
Returns the type of the vector, not value.
|
void |
read(int index,
UnionHolder holder) |
void |
read(int key,
ValueHolder holder)
Reads a value corresponding to a
key into the holder. |
void |
read(Object key,
ValueHolder holder)
Reads a value corresponding to a
key into the holder. |
void |
read(String key,
ValueHolder holder)
Reads a value corresponding to a
key into the holder. |
void |
read(UnionHolder holder) |
void |
read(UntypedNullHolder holder) |
FieldReader |
reader(String name) |
void |
setPosition(int index) |
getType, isEmpty, isSet, iterator, next, readObject, reset, sizecopyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, readBigDecimal, readBigDecimal, readBoolean, readBoolean, readByte, readByte, readByteArray, readByteArray, readCharacter, readCharacter, readDouble, readDouble, reader, readFloat, readFloat, readInteger, readInteger, readLocalDate, readLocalDate, readLocalDateTime, readLocalDateTime, readLocalTime, readLocalTime, readLong, readLong, readObject, readPeriod, readPeriod, readShort, readShort, readString, readString, readText, readTextclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitcopyAsValue, next, sizecopyAsValue, getField, getType, isSet, read, read, read, resetforEach, iterator, spliteratorreadpublic static final int NOT_FOUND
public SingleDictReaderImpl(DictVector vector)
public FieldReader reader(String name)
reader in interface BaseReader.MapReaderreader in class AbstractRepeatedMapReaderImpl<DictVector>public int find(String key)
BaseReader.DictReaderPathSegment.NameSegment
in cases when DictVector.getValueType() is complex.
Despite key is passed as String the value is converted to
actual type based on DictVector.getKeyType().
find in interface BaseReader.DictReaderfind in class AbstractFieldReaderkey - literal representing key valueDictVectorpublic int find(int key)
BaseReader.DictReaderPathSegment.ArraySegment
in cases when DictVector.getValueType() is complex.
Despite key is passed as int the value is converted to
actual type based on DictVector.getKeyType().
find in interface BaseReader.DictReaderfind in class AbstractFieldReaderkey - literal representing key valueDictVectorpublic int find(Object key)
BaseReader.DictReaderPathSegment
with provided PathSegment.getOriginalValue()
in cases when DictVector.getValueType() is complex.
The key is assumed to be of actual type, is not converted and used as is.
find in interface BaseReader.DictReaderfind in class AbstractFieldReaderkey - key valueDictVectorpublic void read(String key, ValueHolder holder)
BaseReader.DictReaderkey into the holder.
If there is no entry in the row with the given key, value is set to null.
Used in generated code when retrieving value from Dict with
PathSegment.NameSegment
in cases when DictVector.getValueType() is primitive.
Despite key is passed as String the value is converted to
actual type based on DictVector.getKeyType().
read in interface BaseReader.DictReaderread in class AbstractFieldReaderkey - literal representing key valueholder - a holder to write value's value intoDictVectorpublic void read(int key,
ValueHolder holder)
BaseReader.DictReaderkey into the holder.
If there is no entry in the row with the given key, value is set to null.
Used in generated code when retrieving value from Dict with
PathSegment.ArraySegment
in cases when DictVector.getValueType() is primitive.
Despite key is passed as int the value is converted to
actual type based on DictVector.getKeyType().
read in interface BaseReader.DictReaderread in class AbstractFieldReaderkey - literal representing key valueholder - a holder to write value's value intoDictVectorpublic void read(Object key, ValueHolder holder)
BaseReader.DictReaderkey into the holder.
If there is no entry in the row with the given key, value is set to null.
Used in generated code when retrieving value from Dict using PathSegment
with provided PathSegment.getOriginalValue()
in cases when DictVector.getValueType() is primitive.
The key is assumed to be of actual type, is not converted and used as is.
read in interface BaseReader.DictReaderread in class AbstractFieldReaderkey - key valueholder - a holder to write value's value intoDictVectorpublic void setPosition(int index)
setPosition in interface PositionablesetPosition in class AbstractRepeatedMapReaderImpl<DictVector>public void copyAsValue(BaseWriter.DictWriter writer)
copyAsValue in interface BaseReader.DictReadercopyAsValue in class AbstractFieldReaderpublic void copyAsValue(BaseWriter.ListWriter writer)
copyAsValue in interface BaseReader.RepeatedListReaderpublic String getTypeString()
BaseReaderString representation of the reader's type. In case if
BaseReader.getType() is primitive, the method is equivalent to
#getType().getMinorType().name(). If the reader has minor type
equal to TypeProtos.MinorType.DICT,
DICT<keyMinorType,valueMinorType>, with keyMinorType
and valueMinorType being key's and value's minor types
respectively, will be returned. Used in typeOf UDF.getTypeString in interface BaseReaderString representation of reader's type.public TypeProtos.MinorType getVectorType()
BaseReadergetVectorType in interface BaseReadergetVectorType in class AbstractFieldReaderpublic MaterializedField getField()
getField in interface BaseReaderpublic void read(UnionHolder holder)
read in interface BaseReaderpublic void read(int index,
UnionHolder holder)
read in interface BaseReaderpublic void read(UntypedNullHolder holder)
read in interface UntypedReaderpublic void copyAsValue(UnionWriter writer)
copyAsValue in interface BaseReaderCopyright © 1970 The Apache Software Foundation. All rights reserved.