WalFilters (Ignite 2.17.0)

java.lang.Object
- org.apache.ignite.internal.processors.cache.persistence.wal.reader.WalFilters

```
public class WalFilters
extends Object
```
Class for holding only very basic WAL filters for using in FilteredWalIterator. *

Constructor Summary

Constructors
Constructor Description

WalFilters()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static Predicate<IgniteBiTuple<WALPointer,WALRecord>>`	`checkpoint()`	Filtering all checkpoint records.
`static Predicate<IgniteBiTuple<WALPointer,WALRecord>>`	`pageOwner(Set<T2<Integer,Long>> pageOwnerIds)`	Filtering all records whose pageId is contained in pageOwnerIds.
`static Predicate<IgniteBiTuple<WALPointer,WALRecord>>`	`partitionMetaStateUpdate(Set<T2<Integer,Integer>> partsMetaupdate)`	Filtering all records whose partitionId is contained in partsMetaupdate.

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

- Constructor Detail
  - WalFilters
```
public WalFilters()
```
- Method Detail
  - checkpoint
```
public static Predicate<IgniteBiTuple<WALPointer,WALRecord>> checkpoint()
```
    Filtering all checkpoint records.
    
    Returns:
    
    Predicate for filtering checkpoint records.
  - pageOwner
```
public static Predicate<IgniteBiTuple<WALPointer,WALRecord>> pageOwner(Set<T2<Integer,Long>> pageOwnerIds)
```
    Filtering all records whose pageId is contained in pageOwnerIds.
    
    Parameters:
    
    pageOwnerIds - Page id for filtering.
    
    Returns:
    
    Predicate for filtering record from pageOwnerIds.
  - partitionMetaStateUpdate
```
public static Predicate<IgniteBiTuple<WALPointer,WALRecord>> partitionMetaStateUpdate(Set<T2<Integer,Integer>> partsMetaupdate)
```
    Filtering all records whose partitionId is contained in partsMetaupdate.
    
    Parameters:
    
    partsMetaupdate - Partition id for filtering.
    
    Returns:
    
    Predicate for filtering record from pageOwnerIds.