Allocator (Flink : State backends : Heap spillable 1.19.2-cp3 API)

All Superinterfaces:

AutoCloseable, Closeable
```
public interface Allocator
extends Closeable
```
Implementations are responsible for allocate space.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`long`	`allocate(int size)`	Allocate space with the given size.
`void`	`free(long address)`	Free the space with the given address.
`Chunk`	`getChunkById(int chunkId)`	Returns the chunk with the given chunk id.

Methods inherited from interface java.io.Closeable
close

- Method Detail
  - allocate
```
long allocate(int size)
       throws Exception
```
    Allocate space with the given size.
    
    Parameters:
    
    size - size of space to allocate.
    
    Returns:
    
    address of the allocated space.
    
    Throws:
    
    Exception - This method will throw exception if failed to allocate space.
  - free
```
void free(long address)
```
    Free the space with the given address.
    
    Parameters:
    
    address - address of the space to free.
  - getChunkById
```
Chunk getChunkById(int chunkId)
```
    Returns the chunk with the given chunk id.
    
    Parameters:
    
    chunkId - id of the chunk.
    
    Returns:
    
    chunk with the given id.