IdRegistry (trino-main 366 API)

java.lang.Object
- io.trino.operator.IdRegistry<T>

```
public 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

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`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 Detail
  - IdRegistry
```
public IdRegistry()
```
- Method Detail
  - allocateId
```
public int 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.