ClockPageReplacementFlags (Ignite 2.17.0)

java.lang.Object
- org.apache.ignite.internal.processors.cache.persistence.pagemem.ClockPageReplacementFlags

```
public class ClockPageReplacementFlags
extends Object
```
Clock page replacement algorithm implementation.

See Also:

PageReplacementMode.CLOCK

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`clearFlag(int pageIdx)`	Clear page hit flag.
`int`	`poll()`	Find page to replace.
`static long`	`requiredMemory(int pagesCnt)`	Memory required to service `pagesCnt` pages.
`void`	`setFlag(int pageIdx)`	Set page hit flag.

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

- Method Detail
  - poll
```
public int poll()
```
    Find page to replace.
    
    Returns:
    
    Page index to replace.
  - clearFlag
```
public void clearFlag(int pageIdx)
```
    Clear page hit flag.
    
    Parameters:
    
    pageIdx - Page index.
  - setFlag
```
public void setFlag(int pageIdx)
```
    Set page hit flag.
    
    Parameters:
    
    pageIdx - Page index.
  - requiredMemory
```
public static long requiredMemory(int pagesCnt)
```
    Memory required to service pagesCnt pages.
    
    Parameters:
    
    pagesCnt - Pages count.