UnlimitedPageSource

java.lang.Object
- org.terracotta.offheapstore.paging.UnlimitedPageSource

All Implemented Interfaces:: PageSource

public class UnlimitedPageSource
extends java.lang.Object
implements PageSource

Field Summary

Fields
Modifier and Type Field Description

private BufferSource source

Constructor Summary

Constructors
Constructor Description

UnlimitedPageSource(BufferSource source)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Page`	`allocate(int size, boolean thief, boolean victim, OffHeapStorageArea owner)`	Attempt to allocate a page of the given size.
`void`	`free(Page page)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - source
```
private final BufferSource source
```
- Constructor Detail
  - UnlimitedPageSource
```
public UnlimitedPageSource(BufferSource source)
```
- Method Detail
  - allocate
```
public Page allocate(int size,
                     boolean thief,
                     boolean victim,
                     OffHeapStorageArea owner)
```
    Description copied from interface: PageSource
    
    Attempt to allocate a page of the given size.
    Allocations identified as thieves will if necessary 'steal' space from previous allocations identified as 'victims' in order to fulfill the allocation request. owner is the area from which the returned page can subsequently be stolen or recovered. This is most likely to be the calling instance.
    
    Specified by:
    
    allocate in interface PageSource
    
    Parameters:
    
    size - size of page to allocate
    
    thief - true if the allocation can steal space from victims
    
    victim - true if the allocated page should be eligible for stealing
    
    owner - owner from which subsequent steal should occur
    
    Returns:
    
    an allocated page, or null in the case of failure
  - free
```
public void free(Page page)
```
    Specified by:
    
    free in interface PageSource