org.apache.giraph.types.ops

Interface TypeOps<T>

Type Parameters:

T - Type

All Known Subinterfaces:

NumericTypeOps<T>, PrimitiveIdTypeOps<T>, PrimitiveTypeOps<T>

All Known Implementing Classes:

BooleanTypeOps, ByteTypeOps, DoubleTypeOps, FloatTypeOps, IntTypeOps, LongTypeOps, MapTypeOps, TextTypeOps

public interface TypeOps<T>

Type operations, allowing working generically with mutable types, but still having efficient code. For example, by reducing object allocation via reuse. Use enum singleton pattern, having single enum value - INSTANCE. Serialization code depends on implementations being enums.

Method Summary

Modifier and Type	Method and Description
T	create() Create new instance of type T.
T	createCopy(T from) Create a copy of passed object
Class<T>	getTypeClass() Class object for generic type T.
void	set(T to, T from) Copies the value from the second argument into the first.

Method Detail

getTypeClass

Class<T> getTypeClass()

Class object for generic type T.

Returns:

Class<T> object

create

T create()

Create new instance of type T.

Returns:

new instance

createCopy

T createCopy(T from)

Create a copy of passed object

Parameters:

from - Object to copy

Returns:

Copy

set

void set(T to,
         T from)

Copies the value from the second argument into the first.

Parameters:

to - Object into which the value should be copied

from - Value of object to be copied