org.apache.parquet.io

Class ValidatingRecordConsumer

java.lang.Object

org.apache.parquet.io.api.RecordConsumer

org.apache.parquet.io.ValidatingRecordConsumer

public class ValidatingRecordConsumer
extends RecordConsumer

Wraps a record consumer Validates the record written against the schema and pass down the event to the wrapped consumer

Constructor Summary

Constructors

Constructor and Description
ValidatingRecordConsumer(RecordConsumer delegate, MessageType schema)

Method Summary

Modifier and Type	Method and Description
void	addBinary(Binary value) add a binary value in the current field
void	addBoolean(boolean value) add a boolean value in the current field
void	addDouble(double value) add a double value in the current field
void	addFloat(float value) add a float value in the current field
void	addInteger(int value) add an int value in the current field
void	addLong(long value) add a long value in the current field
void	endField(String field, int index) end of a field in a group or message
void	endGroup() end of a group in a field
void	endMessage() end of a record
void	flush() NoOps by default Subclass class can implement its own flushing logic
void	startField(String field, int index) start of a field in a group or message if the field is repeated the field is started only once and all values added in between start and end
void	startGroup() start of a group in a field
void	startMessage() start a new record

Methods inherited from class java.lang.Object

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

Constructor Detail

ValidatingRecordConsumer

public ValidatingRecordConsumer(RecordConsumer delegate,
                                MessageType schema)

Parameters:

delegate - the consumer to pass down the event to

schema - the schema to validate against

Method Detail

startMessage

public void startMessage()

start a new record

Specified by:

startMessage in class RecordConsumer

endMessage

public void endMessage()

end of a record

Specified by:

endMessage in class RecordConsumer

startField

public void startField(String field,
                       int index)

start of a field in a group or message if the field is repeated the field is started only once and all values added in between start and end

Specified by:

startField in class RecordConsumer

Parameters:

field - name of the field

index - of the field in the group or message

endField

public void endField(String field,
                     int index)

end of a field in a group or message

Specified by:

endField in class RecordConsumer

Parameters:

field - name of the field

index - of the field in the group or message

startGroup

public void startGroup()

start of a group in a field

Specified by:

startGroup in class RecordConsumer

endGroup

public void endGroup()

end of a group in a field

Specified by:

endGroup in class RecordConsumer

flush

public void flush()

NoOps by default Subclass class can implement its own flushing logic

Overrides:

flush in class RecordConsumer

addInteger

public void addInteger(int value)

add an int value in the current field

Specified by:

addInteger in class RecordConsumer

Parameters:

value - an int value

addLong

public void addLong(long value)

add a long value in the current field

Specified by:

addLong in class RecordConsumer

Parameters:

value - a long value

addBoolean

public void addBoolean(boolean value)

add a boolean value in the current field

Specified by:

addBoolean in class RecordConsumer

Parameters:

value - a boolean value

addBinary

public void addBinary(Binary value)

add a binary value in the current field

Specified by:

addBinary in class RecordConsumer

Parameters:

value - a binary value

addFloat

public void addFloat(float value)

add a float value in the current field

Specified by:

addFloat in class RecordConsumer

Parameters:

value - a float value

addDouble

public void addDouble(double value)

add a double value in the current field

Specified by:

addDouble in class RecordConsumer

Parameters:

value - a double value