Package com.exasol.parquetio.data

Class GenericRow

java.lang.Object

com.exasol.parquetio.data.GenericRow

All Implemented Interfaces:

Row

public final class GenericRow
extends Object
implements Row

An implementation of Row that uses unmodifiable list for storing values.

Constructor Summary

Constructors

Constructor	Description
GenericRow(List<Object> values)	A constructor to create a new instance.
GenericRow(org.apache.parquet.schema.MessageType schema, List<Object> values)	A constructor to create a new instance with MessageType schema.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object other)
List<String>	getFieldNames()	Returns list of field names.
Object	getValue(int position)	Returns a value at the given position.
Object	getValue(String fieldName)	Returns a value that corresponds to field name.
List<Object>	getValues()	Returns the list of values this Row represents.
boolean	hasFieldName(String fieldName)	Checks if a column with a given name exists.
int	hashCode()
static GenericRow	of(Object... values)	A factory method to create a new instance.
static GenericRow	of(org.apache.parquet.schema.MessageType schema, Object... values)	A factory method to create a new instance with MessageType schema.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.exasol.parquetio.data.Row

isEmpty, isNull, isNull, size

Constructor Detail

GenericRow

public GenericRow(List<Object> values)

A constructor to create a new instance.

Parameters:

values - list of values

GenericRow

public GenericRow(org.apache.parquet.schema.MessageType schema,
                  List<Object> values)

A constructor to create a new instance with MessageType schema.

Parameters:

schema - schema of a row

values - list of values

Method Detail

of

public static GenericRow of(Object... values)

A factory method to create a new instance.

Parameters:

values - list of values

Returns:

an instance of GenericRow

of

public static GenericRow of(org.apache.parquet.schema.MessageType schema,
                            Object... values)

A factory method to create a new instance with MessageType schema.

Parameters:

schema - schema of a row

values - list of values

Returns:

an instance of GenericRow

hasFieldName

public boolean hasFieldName(String fieldName)

Description copied from interface: Row

Checks if a column with a given name exists.

Specified by:

hasFieldName in interface Row

Parameters:

fieldName - field name in a row

Returns:

true if column with a name exists; otherwise false

getFieldNames

public List<String> getFieldNames()

Description copied from interface: Row

Returns list of field names.

Specified by:

getFieldNames in interface Row

Returns:

list of field names

getValue

public Object getValue(int position)

Description copied from interface: Row

Returns a value at the given position.

Specified by:

getValue in interface Row

Parameters:

position - position of a value in the row

Returns:

Java object

getValue

public Object getValue(String fieldName)

Description copied from interface: Row

Returns a value that corresponds to field name.

Specified by:

getValue in interface Row

Parameters:

fieldName - field name of a value in the row

Returns:

Java object

getValues

public List<Object> getValues()

Description copied from interface: Row

Returns the list of values this Row represents.

Specified by:

getValues in interface Row

Returns:

list of values

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object