org.apache.parquet.format

Class DataPageHeader

java.lang.Object

org.apache.parquet.format.DataPageHeader

All Implemented Interfaces:

Serializable, Cloneable, Comparable<DataPageHeader>, org.apache.thrift.TBase<DataPageHeader,DataPageHeader._Fields>

public class DataPageHeader
extends Object
implements org.apache.thrift.TBase<DataPageHeader,DataPageHeader._Fields>, Serializable, Cloneable

Data page header

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DataPageHeader._Fields The set of fields this struct contains, along with convenience methods for finding and manipulating them.

Field Summary

Fields

Modifier and Type	Field and Description
Encoding	definition_level_encoding Encoding used for definition levels *
Encoding	encoding Encoding used for this data page *
static Map<DataPageHeader._Fields,org.apache.thrift.meta_data.FieldMetaData>	metaDataMap
int	num_values Number of values, including NULLs, in this data page.
Encoding	repetition_level_encoding Encoding used for repetition levels *
Statistics	statistics Optional statistics for the data in this page*

Constructor Summary

Constructors

Constructor and Description
DataPageHeader()
DataPageHeader(DataPageHeader other) Performs a deep copy on other.
DataPageHeader(int num_values, Encoding encoding, Encoding definition_level_encoding, Encoding repetition_level_encoding)

Method Summary

Methods

Modifier and Type	Method and Description
void	clear()
int	compareTo(DataPageHeader other)
DataPageHeader	deepCopy()
boolean	equals(DataPageHeader that)
boolean	equals(Object that)
DataPageHeader._Fields	fieldForId(int fieldId)
Encoding	getDefinition_level_encoding() Encoding used for definition levels *
Encoding	getEncoding() Encoding used for this data page *
Object	getFieldValue(DataPageHeader._Fields field)
int	getNum_values() Number of values, including NULLs, in this data page.
Encoding	getRepetition_level_encoding() Encoding used for repetition levels *
Statistics	getStatistics() Optional statistics for the data in this page*
int	hashCode()
boolean	isSet(DataPageHeader._Fields field) Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
boolean	isSetDefinition_level_encoding() Returns true if field definition_level_encoding is set (has been assigned a value) and false otherwise
boolean	isSetEncoding() Returns true if field encoding is set (has been assigned a value) and false otherwise
boolean	isSetNum_values() Returns true if field num_values is set (has been assigned a value) and false otherwise
boolean	isSetRepetition_level_encoding() Returns true if field repetition_level_encoding is set (has been assigned a value) and false otherwise
boolean	isSetStatistics() Returns true if field statistics is set (has been assigned a value) and false otherwise
void	read(org.apache.thrift.protocol.TProtocol iprot)
DataPageHeader	setDefinition_level_encoding(Encoding definition_level_encoding) Encoding used for definition levels *
void	setDefinition_level_encodingIsSet(boolean value)
DataPageHeader	setEncoding(Encoding encoding) Encoding used for this data page *
void	setEncodingIsSet(boolean value)
void	setFieldValue(DataPageHeader._Fields field, Object value)
DataPageHeader	setNum_values(int num_values) Number of values, including NULLs, in this data page.
void	setNum_valuesIsSet(boolean value)
DataPageHeader	setRepetition_level_encoding(Encoding repetition_level_encoding) Encoding used for repetition levels *
void	setRepetition_level_encodingIsSet(boolean value)
DataPageHeader	setStatistics(Statistics statistics) Optional statistics for the data in this page*
void	setStatisticsIsSet(boolean value)
String	toString()
void	unsetDefinition_level_encoding()
void	unsetEncoding()
void	unsetNum_values()
void	unsetRepetition_level_encoding()
void	unsetStatistics()
void	validate()
void	write(org.apache.thrift.protocol.TProtocol oprot)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

num_values

public int num_values

Number of values, including NULLs, in this data page. *

encoding

public Encoding encoding

Encoding used for this data page *

See Also:

Encoding

definition_level_encoding

public Encoding definition_level_encoding

Encoding used for definition levels *

See Also:

Encoding

repetition_level_encoding

public Encoding repetition_level_encoding

Encoding used for repetition levels *

See Also:

Encoding

statistics

public Statistics statistics

Optional statistics for the data in this page*

metaDataMap

public static final Map<DataPageHeader._Fields,org.apache.thrift.meta_data.FieldMetaData> metaDataMap

Constructor Detail

DataPageHeader

public DataPageHeader()

DataPageHeader

public DataPageHeader(int num_values,
              Encoding encoding,
              Encoding definition_level_encoding,
              Encoding repetition_level_encoding)

DataPageHeader

public DataPageHeader(DataPageHeader other)

Performs a deep copy on other.

Method Detail

deepCopy

public DataPageHeader deepCopy()

Specified by:

deepCopy in interface org.apache.thrift.TBase<DataPageHeader,DataPageHeader._Fields>

clear

public void clear()

Specified by:

clear in interface org.apache.thrift.TBase<DataPageHeader,DataPageHeader._Fields>

getNum_values

public int getNum_values()

Number of values, including NULLs, in this data page. *

setNum_values

public DataPageHeader setNum_values(int num_values)

Number of values, including NULLs, in this data page. *

unsetNum_values

public void unsetNum_values()

isSetNum_values

public boolean isSetNum_values()

Returns true if field num_values is set (has been assigned a value) and false otherwise

setNum_valuesIsSet

public void setNum_valuesIsSet(boolean value)

getEncoding

public Encoding getEncoding()

Encoding used for this data page *

See Also:

Encoding

setEncoding

public DataPageHeader setEncoding(Encoding encoding)

Encoding used for this data page *

See Also:

Encoding

unsetEncoding

public void unsetEncoding()

isSetEncoding

public boolean isSetEncoding()

Returns true if field encoding is set (has been assigned a value) and false otherwise

setEncodingIsSet

public void setEncodingIsSet(boolean value)

getDefinition_level_encoding

public Encoding getDefinition_level_encoding()

Encoding used for definition levels *

See Also:

Encoding

setDefinition_level_encoding

public DataPageHeader setDefinition_level_encoding(Encoding definition_level_encoding)

Encoding used for definition levels *

See Also:

Encoding

unsetDefinition_level_encoding

public void unsetDefinition_level_encoding()

isSetDefinition_level_encoding

public boolean isSetDefinition_level_encoding()

Returns true if field definition_level_encoding is set (has been assigned a value) and false otherwise

setDefinition_level_encodingIsSet

public void setDefinition_level_encodingIsSet(boolean value)

getRepetition_level_encoding

public Encoding getRepetition_level_encoding()

Encoding used for repetition levels *

See Also:

Encoding

setRepetition_level_encoding

public DataPageHeader setRepetition_level_encoding(Encoding repetition_level_encoding)

Encoding used for repetition levels *

See Also:

Encoding

unsetRepetition_level_encoding

public void unsetRepetition_level_encoding()

isSetRepetition_level_encoding

public boolean isSetRepetition_level_encoding()

Returns true if field repetition_level_encoding is set (has been assigned a value) and false otherwise

setRepetition_level_encodingIsSet

public void setRepetition_level_encodingIsSet(boolean value)

getStatistics

public Statistics getStatistics()

Optional statistics for the data in this page*

setStatistics

public DataPageHeader setStatistics(Statistics statistics)

Optional statistics for the data in this page*

unsetStatistics

public void unsetStatistics()

isSetStatistics

public boolean isSetStatistics()

Returns true if field statistics is set (has been assigned a value) and false otherwise

setStatisticsIsSet

public void setStatisticsIsSet(boolean value)

setFieldValue

public void setFieldValue(DataPageHeader._Fields field,
                 Object value)

Specified by:

setFieldValue in interface org.apache.thrift.TBase<DataPageHeader,DataPageHeader._Fields>

getFieldValue

public Object getFieldValue(DataPageHeader._Fields field)

Specified by:

getFieldValue in interface org.apache.thrift.TBase<DataPageHeader,DataPageHeader._Fields>

isSet

public boolean isSet(DataPageHeader._Fields field)

Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise

Specified by:

isSet in interface org.apache.thrift.TBase<DataPageHeader,DataPageHeader._Fields>

equals

public boolean equals(Object that)

Overrides:

equals in class Object

equals

public boolean equals(DataPageHeader that)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

compareTo

public int compareTo(DataPageHeader other)

Specified by:

compareTo in interface Comparable<DataPageHeader>

fieldForId

public DataPageHeader._Fields fieldForId(int fieldId)

Specified by:

fieldForId in interface org.apache.thrift.TBase<DataPageHeader,DataPageHeader._Fields>

read

public void read(org.apache.thrift.protocol.TProtocol iprot)
          throws org.apache.thrift.TException

Specified by:

read in interface org.apache.thrift.TBase<DataPageHeader,DataPageHeader._Fields>

Throws:

org.apache.thrift.TException

write

public void write(org.apache.thrift.protocol.TProtocol oprot)
           throws org.apache.thrift.TException

Specified by:

write in interface org.apache.thrift.TBase<DataPageHeader,DataPageHeader._Fields>

Throws:

org.apache.thrift.TException

toString

public String toString()

Overrides:

toString in class Object

validate

public void validate()
              throws org.apache.thrift.TException

Throws:

org.apache.thrift.TException