PartitionJoinGroup (Ignite 2.17.0)

java.lang.Object
- org.apache.ignite.internal.sql.optimizer.affinity.PartitionJoinGroup

```
public class PartitionJoinGroup
extends Object
```
Group of joined tables whose affinity function could be "merged".

Constructor Summary

Constructors
Constructor Description

PartitionJoinGroup(PartitionTableAffinityDescriptor affDesc)
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`PartitionJoinGroup`	`addTable(PartitionTable tbl)`	Add table to the group.
`PartitionTableAffinityDescriptor`	`affinityDescriptor()`
`boolean`	`removeTable(PartitionTable tbl)`	Remove table from the group.
`Collection<PartitionTable>`	`tables()`

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

- Constructor Detail
  - PartitionJoinGroup
```
public PartitionJoinGroup(PartitionTableAffinityDescriptor affDesc)
```
    Constructor.
    
    Parameters:
    
    affDesc - Affinity function descriptor.
- Method Detail
  - tables
```
public Collection<PartitionTable> tables()
```
    Returns:
    
    Tables in a group.
  - addTable
```
public PartitionJoinGroup addTable(PartitionTable tbl)
```
    Add table to the group.
    
    Parameters:
    
    tbl - Table.
    
    Returns:
    
    This for chaining.
  - removeTable
```
public boolean removeTable(PartitionTable tbl)
```
    Remove table from the group.
    
    Parameters:
    
    tbl - Table.
    
    Returns:
    
    If group is empty after removal.
  - affinityDescriptor
```
public PartitionTableAffinityDescriptor affinityDescriptor()
```
    Returns:
    
    Affinity descriptor.