java.lang.Object
- org.springframework.messaging.support.AbstractMessageChannel

All Implemented Interfaces:
Aware, BeanNameAware, MessageChannel, InterceptableChannel
Direct Known Subclasses:
AbstractSubscribableChannel
```
public abstract class AbstractMessageChannel
extends Object
implements MessageChannel, InterceptableChannel, BeanNameAware
```
Abstract base class for MessageChannel implementations.
Since:
4.0
Author:
Rossen Stoyanchev

Nested Class Summary
Nested Classes
Modifier and Type Class Description
protected class AbstractMessageChannel.ChannelInterceptorChain
Assists with the invocation of the configured channel interceptors.

Field Summary
Fields
Modifier and Type Field Description
protected Log logger
- Fields inherited from interface org.springframework.messaging.MessageChannel
  INDEFINITE_TIMEOUT

Constructor Summary
Constructors
Constructor Description
AbstractMessageChannel()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addInterceptor(int index, ChannelInterceptor interceptor)`	Add a channel interceptor at the specified index.
`void`	`addInterceptor(ChannelInterceptor interceptor)`	Add a channel interceptor to the end of the list.
`String`	`getBeanName()`	Return the bean name for this message channel.
`List<ChannelInterceptor>`	`getInterceptors()`	Return the list of configured interceptors.
`ChannelInterceptor`	`removeInterceptor(int index)`	Remove the interceptor at the given index.
`boolean`	`removeInterceptor(ChannelInterceptor interceptor)`	Remove the given interceptor.
`boolean`	`send(Message<?> message)`	Send a `Message` to this channel.
`boolean`	`send(Message<?> message, long timeout)`	Send a message, blocking until either the message is accepted or the specified timeout period elapses.
`protected abstract boolean`	`sendInternal(Message<?> message, long timeout)`
`void`	`setBeanName(String name)`	A message channel uses the bean name primarily for logging purposes.
`void`	`setInterceptors(List<ChannelInterceptor> interceptors)`	Set the list of channel interceptors clearing any existing interceptors.
`String`	`toString()`

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

- Field Detail
  - logger
```
protected final Log logger
```
- Constructor Detail
  - AbstractMessageChannel
```
public AbstractMessageChannel()
```
- Method Detail
  - setBeanName
```
public void setBeanName(String name)
```
    A message channel uses the bean name primarily for logging purposes.
    Specified by:
    setBeanName in interface BeanNameAware
    Parameters:
    name - the name of the bean in the factory. Note that this name is the actual bean name used in the factory, which may differ from the originally specified name: in particular for inner bean names, the actual bean name might have been made unique through appending "#..." suffixes. Use the BeanFactoryUtils.originalBeanName(String) method to extract the original bean name (without suffix), if desired.
  - getBeanName
```
public String getBeanName()
```
    Return the bean name for this message channel.
  - setInterceptors
```
public void setInterceptors(List<ChannelInterceptor> interceptors)
```
    Description copied from interface: InterceptableChannel
    Set the list of channel interceptors clearing any existing interceptors.
    Specified by:
    setInterceptors in interface InterceptableChannel
  - addInterceptor
```
public void addInterceptor(ChannelInterceptor interceptor)
```
    Description copied from interface: InterceptableChannel
    Add a channel interceptor to the end of the list.
    Specified by:
    addInterceptor in interface InterceptableChannel
  - addInterceptor
```
public void addInterceptor(int index,
                           ChannelInterceptor interceptor)
```
    Description copied from interface: InterceptableChannel
    Add a channel interceptor at the specified index.
    Specified by:
    addInterceptor in interface InterceptableChannel
  - getInterceptors
```
public List<ChannelInterceptor> getInterceptors()
```
    Description copied from interface: InterceptableChannel
    Return the list of configured interceptors.
    Specified by:
    getInterceptors in interface InterceptableChannel
  - removeInterceptor
```
public boolean removeInterceptor(ChannelInterceptor interceptor)
```
    Description copied from interface: InterceptableChannel
    Remove the given interceptor.
    Specified by:
    removeInterceptor in interface InterceptableChannel
  - removeInterceptor
```
public ChannelInterceptor removeInterceptor(int index)
```
    Description copied from interface: InterceptableChannel
    Remove the interceptor at the given index.
    Specified by:
    removeInterceptor in interface InterceptableChannel
  - send
```
public final boolean send(Message<?> message)
```
    Description copied from interface: MessageChannel
    Send a Message to this channel. If the message is sent successfully, the method returns true. If the message cannot be sent due to a non-fatal reason, the method returns false. The method may also throw a RuntimeException in case of non-recoverable errors.
    This method may block indefinitely, depending on the implementation. To provide a maximum wait time, use MessageChannel.send(Message, long).
    Specified by:
    send in interface MessageChannel
    Parameters:
    message - the message to send
    Returns:
    whether or not the message was sent
  - send
```
public final boolean send(Message<?> message,
                          long timeout)
```
    Description copied from interface: MessageChannel
    Send a message, blocking until either the message is accepted or the specified timeout period elapses.
    Specified by:
    send in interface MessageChannel
    Parameters:
    message - the message to send
    timeout - the timeout in milliseconds or MessageChannel.INDEFINITE_TIMEOUT
    Returns:
    true if the message is sent, false if not including a timeout of an interrupt of the send
  - sendInternal
```
protected abstract boolean sendInternal(Message<?> message,
                                        long timeout)
```
  - toString
```
public String toString()
```
    Overrides:
    toString in class Object

Class AbstractMessageChannel

Nested Class Summary

Field Summary

Fields inherited from interface org.springframework.messaging.MessageChannel

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

logger

Constructor Detail

AbstractMessageChannel

Method Detail

setBeanName

getBeanName

setInterceptors

addInterceptor

addInterceptor

getInterceptors

removeInterceptor

removeInterceptor

send

send

sendInternal

toString