Package com.amazon.titan.diskstorage.dynamodb

Interface Summary

Interface	Description
AwsStore	Responsible for communicating with a single AWS backing store table.
DynamoDBStoreFactory	Creates a backend store for a given table name.

Class Summary

Class	Description
AbstractDynamoDBStore	The base class for the SINGLE and MULTI implementations of the Amazon DynamoDB Storage Backend for Titan distributed store type.
Client	Operations setting up the DynamoDB client.
Constants	Constants for the DynamoDB backend.
DynamoDBDelegate	A wrapper on top of the DynamoDB client API that self-throttles using metric-based and context-aware estimates for all Read APIs and for DeleteItem, and that self-throttles using accurate upper-bound estimates of item size for PutItem and UpdateItem.
DynamoDBSingleRowStore	Acts as if DynamoDB were a Column Oriented Database by using key as the hash key and each entry has their own column.
DynamoDBStore	Acts as if DynamoDB were a Column Oriented Database by using range query when required.
DynamoDBStoreManager	The Titan manager for the Amazon DynamoDB Storage Backend for Titan.
DynamoDBStoreTransaction	Transaction is used to store expected values of each column for each key in a transaction
ExponentialBackoff<RequestType,ResultType>	A wrapper for a client-side exponential backoff retry strategy for DynamoDB API calls
ExponentialBackoff.DeleteItem
ExponentialBackoff.GetItem
ExponentialBackoff.Query
ExponentialBackoff.Scan
ExponentialBackoff.UpdateItem
Expression	Structure of update and condition expressions required for a DynamoDB conditional update.
GetItemResultWrapper	Titan's interface for multiqueries requires us to map GetItem results to a StaticBuffer.
GetItemWorker	Worker class used to execute a GetItem request as a callable.
ListTablesWorker
MetricStore	Proxies another store to centralize metrics gathering.
PaginatingTask<RequestType,ResultType>	Paginator base class for scan and query workers.
QueryResultWrapper
QueryWithLimitWorker	QueryWorker that also enforces a limit on the total number of results it gathers before stopping.
QueryWorker	QueryWorker iterates through pages of DynamoDB Query results.
TableNameDynamoDBStoreFactory	Creates backend store based on table name.
TitanConfigUtil

Enum Summary

Enum	Description
BackendDataModel	Creates a store backend based on configuration.

Exception Summary

Exception	Description
BackendNotFoundException	Interpretation of DynamoDB ResourceNotFoundException
BackendRuntimeException	This class wraps around StorageExceptions in the Amazon DynamoDB Storage Backend for Titan, a checked exception