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

Author:

Julien Le Dem

Constructor Summary

Constructors

Constructor and Description
ValidatingRecordConsumer(RecordConsumer delegate, MessageType schema)

Method Summary

Methods

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

addLong

public void addLong(long value)

add a long value in the current field

Specified by:

addLong in class RecordConsumer

addBoolean

public void addBoolean(boolean value)

add a boolean value in the current field

Specified by:

addBoolean in class RecordConsumer

addBinary

public void addBinary(Binary value)

add a binary value in the current field

Specified by:

addBinary in class RecordConsumer

addFloat

public void addFloat(float value)

add a float value in the current field

Specified by:

addFloat in class RecordConsumer

addDouble

public void addDouble(double value)

add a double value in the current field

Specified by:

addDouble in class RecordConsumer