io.delta.kernel.internal.data

Class GenericRow

Object

io.delta.kernel.internal.data.GenericRow

All Implemented Interfaces:

Row

Direct Known Subclasses:

ScanStateRow, TransactionStateRow

public class GenericRow
extends Object
implements Row

Exposes a given map of values as a Row

Constructor Summary

Constructors

Constructor and Description
GenericRow(StructType schema, java.util.Map<Integer,Object> ordinalToValue)

Method Summary

Modifier and Type	Method and Description
ArrayValue	getArray(int ordinal) Return array value of the column located at the given ordinal.
byte[]	getBinary(int ordinal) Return binary value of the column located at the given ordinal.
boolean	getBoolean(int ordinal) Return boolean value of the column located at the given ordinal.
byte	getByte(int ordinal) Return byte value of the column located at the given ordinal.
java.math.BigDecimal	getDecimal(int ordinal) Return decimal value of the column located at the given ordinal.
double	getDouble(int ordinal) Return double value of the column located at the given ordinal.
float	getFloat(int ordinal) Return float value of the column located at the given ordinal.
int	getInt(int ordinal) Return integer value of the column located at the given ordinal.
long	getLong(int ordinal) Return long value of the column located at the given ordinal.
MapValue	getMap(int ordinal) Return map value of the column located at the given ordinal.
StructType	getSchema()
short	getShort(int ordinal) Return short value of the column located at the given ordinal.
String	getString(int ordinal) Return string value of the column located at the given ordinal.
Row	getStruct(int ordinal) Return struct value of the column located at the given ordinal.
boolean	isNullAt(int ordinal)

Methods inherited from class Object

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

Constructor Detail

GenericRow

public GenericRow(StructType schema,
                  java.util.Map<Integer,Object> ordinalToValue)

Parameters:

schema - the schema of the row

ordinalToValue - a mapping of column ordinal to objects; for each column the object must be of the return type corresponding to the data type's getter method in the Row interface

Method Detail

getSchema

public StructType getSchema()

Specified by:

getSchema in interface Row

Returns:

Schema of the record.

isNullAt

public boolean isNullAt(int ordinal)

Specified by:

isNullAt in interface Row

Parameters:

ordinal - the ordinal of the column to check

Returns:

whether the column at ordinal is null

getBoolean

public boolean getBoolean(int ordinal)

Description copied from interface: Row

Return boolean value of the column located at the given ordinal. Throws error if the column at given ordinal is not of boolean type,

Specified by:

getBoolean in interface Row

getByte

public byte getByte(int ordinal)

Description copied from interface: Row

Return byte value of the column located at the given ordinal. Throws error if the column at given ordinal is not of boolean type,

Specified by:

getByte in interface Row

getShort

public short getShort(int ordinal)

Description copied from interface: Row

Return short value of the column located at the given ordinal. Throws error if the column at given ordinal is not of boolean type,

Specified by:

getShort in interface Row

getInt

public int getInt(int ordinal)

Description copied from interface: Row

Return integer value of the column located at the given ordinal. Throws error if the column at given ordinal is not of integer type,

Specified by:

getInt in interface Row

getLong

public long getLong(int ordinal)

Description copied from interface: Row

Return long value of the column located at the given ordinal. Throws error if the column at given ordinal is not of long type,

Specified by:

getLong in interface Row

getFloat

public float getFloat(int ordinal)

Description copied from interface: Row

Return float value of the column located at the given ordinal. Throws error if the column at given ordinal is not of long type,

Specified by:

getFloat in interface Row

getDouble

public double getDouble(int ordinal)

Description copied from interface: Row

Return double value of the column located at the given ordinal. Throws error if the column at given ordinal is not of long type,

Specified by:

getDouble in interface Row

getString

public String getString(int ordinal)

Description copied from interface: Row

Return string value of the column located at the given ordinal. Throws error if the column at given ordinal is not of varchar type,

Specified by:

getString in interface Row

getDecimal

public java.math.BigDecimal getDecimal(int ordinal)

Description copied from interface: Row

Return decimal value of the column located at the given ordinal. Throws error if the column at given ordinal is not of decimal type,

Specified by:

getDecimal in interface Row

getBinary

public byte[] getBinary(int ordinal)

Description copied from interface: Row

Return binary value of the column located at the given ordinal. Throws error if the column at given ordinal is not of varchar type,

Specified by:

getBinary in interface Row

getStruct

public Row getStruct(int ordinal)

Description copied from interface: Row

Return struct value of the column located at the given ordinal. Throws error if the column at given ordinal is not of struct type,

Specified by:

getStruct in interface Row

getArray

public ArrayValue getArray(int ordinal)

Description copied from interface: Row

Return array value of the column located at the given ordinal. Throws error if the column at given ordinal is not of array type,

Specified by:

getArray in interface Row

getMap

public MapValue getMap(int ordinal)

Description copied from interface: Row

Return map value of the column located at the given ordinal. Throws error if the column at given ordinal is not of map type,

Specified by:

getMap in interface Row