DirectChannel (java 5.5.18-SNAPSHOT API)

All Superinterfaces:

deltix.util.security.AuthorizationController.ProtectedResource, DXChannel<deltix.qsrv.hf.pub.InstrumentMessage>

All Known Implementing Classes:

TopicClientChannel
```
public interface DirectChannel
extends DXChannel<deltix.qsrv.hf.pub.InstrumentMessage>
```
Wrapper object for Topic API (see TopicDB).

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`MessagePoller`	`createPollingConsumer(ChannelPreferences preferences)`	Creates a non-blocking poll-style message consumer.

Methods inherited from interface deltix.data.stream.DXChannel
createConsumer, createPublisher, getDescription, getKey, getName, getTypes

- Method Detail
  - createPollingConsumer
```
@CheckReturnValue
MessagePoller createPollingConsumer(ChannelPreferences preferences)
                             throws UnknownChannelException
```
    Creates a non-blocking poll-style message consumer.
    
    Parameters:
    
    preferences - consumer preferences
    
    Returns:
    
    returns MessagePoller that can be used to poll messages from subscription.
    
    Throws:
    
    UnknownChannelException