com.linkedin.feathr.common.tensor

Class SimpleWriteableTuple<T extends WriteableTuple<T>>

java.lang.Object

com.linkedin.feathr.common.ColumnUtils

com.linkedin.feathr.common.tensor.SimpleWriteableTuple<T>

Type Parameters:

T -

All Implemented Interfaces:

ReadableTuple, WriteableTuple<T>

public class SimpleWriteableTuple<T extends WriteableTuple<T>>
extends ColumnUtils
implements WriteableTuple<T>, ReadableTuple

An implementation of WriteableTuple which keeps all values in primitive arrays. This can be used as a scratch space for a single row in a tensor.

Field Summary

Fields inherited from class com.linkedin.feathr.common.ColumnUtils

_booleanArity, _bytesArity, _columnIndex, _columnTypes, _doubleArity, _floatArity, _intArity, _longArity, _stringArity

Constructor Summary

Constructors

Constructor and Description
SimpleWriteableTuple(Representable[] types)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
boolean	getBoolean(int column)
byte[]	getBytes(int column)
ReadableTuple	getCopy()
double	getDouble(int column)
float	getFloat(int column)
int	getInt(int column)
long	getLong(int column)
java.lang.String	getString(int column)
Representable[]	getTypes()
int	hashCode()
void	resetColumns() Resets all values to 0 (for primitives) and null for Strings
T	setBoolean(int column, boolean value) Sets the specified column to a given `boolean`
T	setBytes(int column, byte[] value) Sets the specified column to a given `byte array`
T	setDouble(int column, double value) Sets the specified column to a given `double`
T	setFloat(int column, float value) Sets the specified column to a given `float`
T	setInt(int column, int value) Sets the specified column to a given `int`
T	setLong(int column, long value) Sets the specified column to a given `long`
T	setString(int column, java.lang.String value) Sets the specified column to a given `String`

Methods inherited from class com.linkedin.feathr.common.ColumnUtils

getBooleanArity, getBytesArity, getColumnIndex, getColumnTypes, getDimArity, getDoubleArity, getFloatArity, getIntArity, getLongArity, getStringArity

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.linkedin.feathr.common.tensor.WriteableTuple

setValue

Constructor Detail

SimpleWriteableTuple

public SimpleWriteableTuple(Representable[] types)

Method Detail

getTypes

public Representable[] getTypes()

Specified by:

getTypes in interface ReadableTuple

Specified by:

getTypes in interface WriteableTuple<T extends WriteableTuple<T>>

Returns:

the types of all dimensions and the value as a single array.

getInt

public int getInt(int column)

Specified by:

getInt in interface ReadableTuple

Returns:

an int at given column.

getLong

public long getLong(int column)

Specified by:

getLong in interface ReadableTuple

Returns:

a long at given column.

getFloat

public float getFloat(int column)

Specified by:

getFloat in interface ReadableTuple

Returns:

a float at given column.

getDouble

public double getDouble(int column)

Specified by:

getDouble in interface ReadableTuple

Returns:

a double at given column.

getBoolean

public boolean getBoolean(int column)

Specified by:

getBoolean in interface ReadableTuple

Returns:

a boolean at given column.

getString

public java.lang.String getString(int column)

Specified by:

getString in interface ReadableTuple

Returns:

a string at given column.

getBytes

public byte[] getBytes(int column)

Specified by:

getBytes in interface ReadableTuple

Returns:

a byte array at given column.

getCopy

public ReadableTuple getCopy()

Specified by:

getCopy in interface ReadableTuple

Returns:

a copy of this tuple, so that changes to the original tuple will not affect the new one.

setInt

public T setInt(int column,
                int value)

Description copied from interface: WriteableTuple

Sets the specified column to a given `int`

Specified by:

setInt in interface WriteableTuple<T extends WriteableTuple<T>>

Parameters:

column - The column in the tuple to write to

value - The int value to be written

Returns:

A reference to this object (`this`)

setLong

public T setLong(int column,
                 long value)

Description copied from interface: WriteableTuple

Sets the specified column to a given `long`

Specified by:

setLong in interface WriteableTuple<T extends WriteableTuple<T>>

Parameters:

column - The column in the tuple to write to

value - The long value to be written

Returns:

A reference to this object (`this`)

setFloat

public T setFloat(int column,
                  float value)

Description copied from interface: WriteableTuple

Sets the specified column to a given `float`

Specified by:

setFloat in interface WriteableTuple<T extends WriteableTuple<T>>

Parameters:

column - The column in the tuple to write to

value - The float value to be written

Returns:

A reference to this object (`this`)

setDouble

public T setDouble(int column,
                   double value)

Description copied from interface: WriteableTuple

Sets the specified column to a given `double`

Specified by:

setDouble in interface WriteableTuple<T extends WriteableTuple<T>>

Parameters:

column - The column in the tuple to write to

value - The double value to be written

Returns:

A reference to this object (`this`)

setBoolean

public T setBoolean(int column,
                    boolean value)

Description copied from interface: WriteableTuple

Sets the specified column to a given `boolean`

Specified by:

setBoolean in interface WriteableTuple<T extends WriteableTuple<T>>

Parameters:

column - The column in the tuple to write to

value - The double value to be written

Returns:

A reference to this object (`this`)

setString

public T setString(int column,
                   java.lang.String value)

Description copied from interface: WriteableTuple

Sets the specified column to a given `String`

Specified by:

setString in interface WriteableTuple<T extends WriteableTuple<T>>

Parameters:

column - The column in the tuple to write to

value - The String value to be written

Returns:

A reference to this object (`this`)

setBytes

public T setBytes(int column,
                  byte[] value)

Description copied from interface: WriteableTuple

Sets the specified column to a given `byte array`

Specified by:

setBytes in interface WriteableTuple<T extends WriteableTuple<T>>

Parameters:

column - The column in the tuple to write to

value - The byte array value to be written

Returns:

A reference to this object (`this`)

resetColumns

public void resetColumns()

Resets all values to 0 (for primitives) and null for Strings

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object