Package io.trino.operator

Class IdRegistry<T>

java.lang.Object

io.trino.operator.IdRegistry<T>

public final class IdRegistry<T>
extends Object

Object registration system that allows looking up objects via stable IDs.

This class may recycle deallocated IDs for new allocations.

Constructor Summary

Constructors

Constructor	Description
IdRegistry()

Method Summary

Modifier and Type	Method	Description
T	allocateId(IntFunction<T> factory)	Provides a new ID referencing the provided object.
void	deallocate(int id)
T	get(int id)
long	sizeOf()	Does not include the sizes of the referenced objects themselves.

Methods inherited from class java.lang.Object

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

Constructor Details

IdRegistry

public IdRegistry()

Method Details

allocateId

public T allocateId(IntFunction<T> factory)

Provides a new ID referencing the provided object.

Returns:

ID referencing the provided object

deallocate

public void deallocate(int id)

get

public T get(int id)

sizeOf

public long sizeOf()

Does not include the sizes of the referenced objects themselves.