ChannelHealthChecker (Netty API Reference (4.2.1.Final))

```
public interface ChannelHealthChecker
```
Called before a Channel will be returned via ChannelPool.acquire() or ChannelPool.acquire(Promise).

Field Summary

Fields
Modifier and Type Field Description

static ChannelHealthChecker ACTIVE
ChannelHealthChecker implementation that checks if Channel.isActive() returns true.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Future<java.lang.Boolean>`	`isHealthy(Channel channel)`	Check if the given channel is healthy which means it can be used.

- Field Detail
  - ACTIVE
```
static final ChannelHealthChecker ACTIVE
```
    ChannelHealthChecker implementation that checks if Channel.isActive() returns true.
- Method Detail
  - isHealthy
```
Future<java.lang.Boolean> isHealthy(Channel channel)
```
    Check if the given channel is healthy which means it can be used. The returned Future is notified once the check is complete. If notified with Boolean.TRUE it can be used Boolean.FALSE otherwise. This method will be called by the EventLoop of the Channel.