org.apache.flume.channel
Class AbstractChannel

java.lang.Object
  extended by org.apache.flume.channel.AbstractChannel
All Implemented Interfaces:
Channel, Configurable, LifecycleAware, NamedComponent
Direct Known Subclasses:
BasicChannelSemantics, JdbcChannel, PseudoTxnMemoryChannel

@InterfaceAudience.Public
@InterfaceStability.Stable
public abstract class AbstractChannel
extends Object
implements Channel, LifecycleAware, Configurable


Constructor Summary
AbstractChannel()
           
 
Method Summary
 void configure(Context context)
           Request the implementing class to (re)configure itself.
 LifecycleState getLifecycleState()
           Return the current state of the service or component.
 String getName()
           
 void setName(String name)
           
 void start()
           Starts a service or component.
 void stop()
           Stops a service or component.
 String toString()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface org.apache.flume.Channel
getTransaction, put, take
 

Constructor Detail

AbstractChannel

public AbstractChannel()
Method Detail

setName

public void setName(String name)
Specified by:
setName in interface NamedComponent

start

public void start()
Description copied from interface: LifecycleAware

Starts a service or component.

Implementations should determine the result of any start logic and effect the return value of LifecycleAware.getLifecycleState() accordingly.

Specified by:
start in interface LifecycleAware

stop

public void stop()
Description copied from interface: LifecycleAware

Stops a service or component.

Implementations should determine the result of any stop logic and effect the return value of LifecycleAware.getLifecycleState() accordingly.

Specified by:
stop in interface LifecycleAware

getLifecycleState

public LifecycleState getLifecycleState()
Description copied from interface: LifecycleAware

Return the current state of the service or component.

Specified by:
getLifecycleState in interface LifecycleAware

getName

public String getName()
Specified by:
getName in interface NamedComponent

configure

public void configure(Context context)
Description copied from interface: Configurable

Request the implementing class to (re)configure itself.

When configuration parameters are changed, they must be reflected by the component asap.

There are no thread safety guarrantees on when configure might be called.

Specified by:
configure in interface Configurable

toString

public String toString()
Overrides:
toString in class Object


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