com.amazonaws.services.dynamodbv2.streamsadapter

Class DynamoDBStreamsConsumerStates

java.lang.Object

com.amazonaws.services.dynamodbv2.streamsadapter.DynamoDBStreamsConsumerStates

public class DynamoDBStreamsConsumerStates
extends java.lang.Object

Top level container for all the possible states a DynamoDBStreamsShardConsumer can be in. The logic for creation of tasks, and state transitions is contained within the ConsumerState objects.

State Diagram

       +-------------------+
       | Waiting on Parent |                               +------------------+
  +----+       Shard       |                               |     Shutdown     |
  |    |                   |          +--------------------+   Notification   |
  |    +----------+--------+          |  Shutdown:         |     Requested    |
  |               | Success           |   Requested        +-+-------+--------+
  |               |                   |                      |       |
  |        +------+-------------+     |                      |       | Shutdown:
  |        |    Initializing    +-----+                      |       |  Requested
  |        |                    |     |                      |       |
  |        |                    +-----+-------+              |       |
  |        +---------+----------+     |       | Shutdown:    | +-----+-------------+
  |                  | Success        |       |  Terminated  | |     Shutdown      |
  |                  |                |       |  Zombie      | |   Notification    +-------------+
  |           +------+-------------+  |       |              | |     Complete      |             |
  |           |     Processing     +--+       |              | ++-----------+------+             |
  |       +---+                    |          |              |  |           |                    |
  |       |   |                    +----------+              |  |           | Shutdown:          |
  |       |   +------+-------------+          |              \  /           |  Requested         |
  |       |          |                        |               \/            +--------------------+
  |       |          |                        |               ||
  |       | Success  |                        |               || Shutdown:
  |       +----------+                        |               ||  Terminated
  |                                           |               ||  Zombie
  |                                           |               ||
  |                                           |               ||
  |                                           |           +---++--------------+
  |                                           |           |   Shutting Down   |
  |                                           +-----------+                   |
  |                                                       |                   |
  |                                                       +--------+----------+
  |                                                                |
  |                                                                | Shutdown:
  |                                                                |  All Reasons
  |                                                                |
  |                                                                |
  |      Shutdown:                                        +--------+----------+
  |        All Reasons                                    |     Shutdown      |
  +-------------------------------------------------------+     Complete      |
                                                          |                   |
                                                          +-------------------+
 

Constructor Summary

Constructors

Constructor and Description
DynamoDBStreamsConsumerStates()

Method Summary

Modifier and Type	Method and Description
static com.amazonaws.services.dynamodbv2.streamsadapter.DynamoDBStreamsConsumerStates.ConsumerState	kinesisToDDBStateTransform(com.amazonaws.services.kinesis.clientlibrary.lib.worker.ShutdownReason reason)

Methods inherited from class java.lang.Object

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

Constructor Detail

DynamoDBStreamsConsumerStates

public DynamoDBStreamsConsumerStates()

Method Detail

kinesisToDDBStateTransform

public static com.amazonaws.services.dynamodbv2.streamsadapter.DynamoDBStreamsConsumerStates.ConsumerState kinesisToDDBStateTransform(com.amazonaws.services.kinesis.clientlibrary.lib.worker.ShutdownReason reason)