NodeSelectionSupport (Lettuce 6.3.3.BUILD-SNAPSHOT API)

Type Parameters:

API - API type.

CMD - Command interface type to invoke multi-node operations.

All Known Subinterfaces:

AsyncNodeSelection<K,V>, NodeSelection<K,V>, PubSubAsyncNodeSelection<K,V>, PubSubNodeSelection<K,V>, PubSubReactiveNodeSelection<K,V>
```
public interface NodeSelectionSupport<API,CMD>
```
A node selection represents a set of Redis Cluster nodes. Provides access to particular node connection APIs and allows the execution of commands on the selected cluster nodes.

Since:

4.0

Author:

Mark Paluch

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Map<RedisClusterNode,API>`	`asMap()`
`CMD`	`commands()`
`API`	`commands(int index)`	Obtain the connection/commands to a particular node.
`RedisClusterNode`	`node(int index)`	Get the `RedisClusterNode`.
`int`	`size()`

- Method Detail
  - size
```
int size()
```
    Returns:
    
    number of nodes.
  - commands
```
CMD commands()
```
    Returns:
    
    commands API to run on this node selection.
  - commands
```
API commands(int index)
```
    Obtain the connection/commands to a particular node.
    
    Parameters:
    
    index - index of the node
    
    Returns:
    
    the connection/commands object
  - node
```
RedisClusterNode node(int index)
```
    Get the RedisClusterNode.
    
    Parameters:
    
    index - index of the cluster node
    
    Returns:
    
    the cluster node
  - asMap
```
Map<RedisClusterNode,API> asMap()
```
    Returns:
    
    map of RedisClusterNode and the connection/commands objects