LoadBalancer.SubchannelPicker (grpc-api 1.59.0 API)

java.lang.Object
- io.grpc.LoadBalancer.SubchannelPicker

Direct Known Subclasses:

LoadBalancer.ErrorPicker, LoadBalancer.FixedResultPicker

Enclosing class:

LoadBalancer
```
@ThreadSafe
@ExperimentalApi("https://github.com/grpc/grpc-java/issues/1771")
public abstract static class LoadBalancer.SubchannelPicker
extends java.lang.Object
```
The main balancing logic. It must be thread-safe. Typically it should only synchronize on its own state, and avoid synchronizing with the LoadBalancer's state.

Since:

1.2.0

Constructor Summary

Constructors
Constructor Description

SubchannelPicker()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`abstract LoadBalancer.PickResult`	`pickSubchannel(LoadBalancer.PickSubchannelArgs args)`	Make a balancing decision for a new RPC.
`void`	`requestConnection()`	Deprecated. override `LoadBalancer.requestConnection()` instead.

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

- Constructor Detail
  - SubchannelPicker
```
public SubchannelPicker()
```
- Method Detail
  - pickSubchannel
```
public abstract LoadBalancer.PickResult pickSubchannel(LoadBalancer.PickSubchannelArgs args)
```
    Make a balancing decision for a new RPC.
    
    Parameters:
    
    args - the pick arguments
    
    Since:
    
    1.3.0
  - requestConnection
```
@Deprecated
public void requestConnection()
```
    Deprecated.
    override LoadBalancer.requestConnection() instead.
    
    Tries to establish connections now so that the upcoming RPC may then just pick a ready connection without having to connect first.
    No-op if unsupported.
    
    Since:
    
    1.11.0