org.apache.flume.channel
Class MultiplexingChannelSelector

java.lang.Object
  org.apache.flume.channel.AbstractChannelSelector
      org.apache.flume.channel.MultiplexingChannelSelector

All Implemented Interfaces:

ChannelSelector, Configurable, NamedComponent

public class MultiplexingChannelSelector
extends AbstractChannelSelector

Field Summary

static String	CONFIG_DEFAULT_CHANNEL
static String	CONFIG_MULTIPLEX_HEADER_NAME
static String	CONFIG_PREFIX_MAPPING
static String	CONFIG_PREFIX_OPTIONAL
static String	DEFAULT_MULTIPLEX_HEADER

Constructor Summary

MultiplexingChannelSelector()

Method Summary

void	configure(Context context) Request the implementing class to (re)configure itself.
List<Channel>	getOptionalChannels(Event event) Returns a list of optional channels.
List<Channel>	getRequiredChannels(Event event) Returns a list of required channels.

Methods inherited from class org.apache.flume.channel.AbstractChannelSelector

getAllChannels, getChannelListFromNames, getChannelNameMap, getName, setChannels, setName

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CONFIG_MULTIPLEX_HEADER_NAME

public static final String CONFIG_MULTIPLEX_HEADER_NAME

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Constant Field Values

DEFAULT_MULTIPLEX_HEADER

public static final String DEFAULT_MULTIPLEX_HEADER

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Constant Field Values

CONFIG_PREFIX_MAPPING

public static final String CONFIG_PREFIX_MAPPING

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Constant Field Values

CONFIG_DEFAULT_CHANNEL

public static final String CONFIG_DEFAULT_CHANNEL

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Constant Field Values

CONFIG_PREFIX_OPTIONAL

public static final String CONFIG_PREFIX_OPTIONAL

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Constant Field Values

Constructor Detail

MultiplexingChannelSelector

public MultiplexingChannelSelector()

Method Detail

getRequiredChannels

public List<Channel> getRequiredChannels(Event event)

Description copied from interface: ChannelSelector

Returns a list of required channels. A failure in writing the event to these channels must be communicated back to the source that received this event.

Returns:

the list of required channels that this selector has selected for the given event.

getOptionalChannels

public List<Channel> getOptionalChannels(Event event)

Description copied from interface: ChannelSelector

Returns a list of optional channels. A failure in writing the event to these channels must be ignored.

Returns:

the list of optional channels that this selector has selected for the given event.

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.