Class DynamoDB

java.lang.Object

com.amazonaws.services.dynamodbv2.document.DynamoDB

All Implemented Interfaces:

BatchGetItemApi, BatchWriteItemApi, ListTablesApi

public class DynamoDB
extends Object
implements ListTablesApi, BatchGetItemApi, BatchWriteItemApi

DynamoDB Document API. This class is the entry point to make use of this library.

Constructor Summary

Constructors

Constructor	Description
DynamoDB(Regions regionEnum)	Create a DynamoDB object that talks to the specified AWS region.
DynamoDB(AmazonDynamoDB client)

Method Summary

Modifier and Type	Method	Description
BatchGetItemOutcome	batchGetItem(BatchGetItemSpec spec)	Used to perform a batch get-item operation from DynamoDB with full parameter specification.
BatchGetItemOutcome	batchGetItem(TableKeysAndAttributes... tableKeysAndAttributes)	Used to perform a batch get-item operation from DynamoDB.
BatchGetItemOutcome	batchGetItem(ReturnConsumedCapacity returnConsumedCapacity, TableKeysAndAttributes... tableKeysAndAttributes)	Used to perform a batch get-item operation from DynamoDB.
BatchGetItemOutcome	batchGetItemUnprocessed(ReturnConsumedCapacity returnConsumedCapacity, Map<String, KeysAndAttributes> unprocessedKeys)	Used to perform a batch get-item for the unprocessed keys returned from a previous batch get-item operation.
BatchGetItemOutcome	batchGetItemUnprocessed(Map<String, KeysAndAttributes> unprocessedKeys)	Used to perform a batch get-item for the unprocessed keys returned from a previous batch get-item operation.
BatchWriteItemOutcome	batchWriteItem(BatchWriteItemSpec spec)	Used to perform a batch write operation to DynamoDB with full parameter specification.
BatchWriteItemOutcome	batchWriteItem(TableWriteItems... tableWriteItems)	Used to perform a batch write operation to DynamoDB.
BatchWriteItemOutcome	batchWriteItemUnprocessed(Map<String, List<WriteRequest>> unprocessedItems)	Used to perform a batch write operation for the unprocessed items returned from a previous batch write operation.
Table	createTable(CreateTableRequest req)	Creates the specified table in DynamoDB.
Table	createTable(String tableName, List<KeySchemaElement> keySchema, List<AttributeDefinition> attributeDefinitions, ProvisionedThroughput provisionedThroughput)	Creates the specified table in DynamoDB.
Table	getTable(String tableName)	Returns the specified DynamoDB table.
TableCollection<ListTablesResult>	listTables()	Returns a collection of all the tables (initialized with the respective table names) associated with the current account and endpoint.
TableCollection<ListTablesResult>	listTables(int maxResultSize)	Returns a collection of tables (initialized with the respective table names) up to the specified maxResultSize associated with the current account and endpoint.
TableCollection<ListTablesResult>	listTables(ListTablesSpec spec)	List tables by specifying all the details.
TableCollection<ListTablesResult>	listTables(String exclusiveStartTableName)	Returns a collection of tables (initialized with the respective table names) associated with the current account and endpoint, starting with a name after the specified exclusiveStartTableName .
TableCollection<ListTablesResult>	listTables(String exclusiveStartTableName, int maxResultSize)	Returns a collection of tables (initialized with the respective table names) up to the specified maxResultSize associated with the current account and endpoint, starting with a name after the specified exclusiveStartTableName.
void	shutdown()	Shuts down and release all resources.

Methods inherited from class Object

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

Constructor Details

DynamoDB

public DynamoDB(AmazonDynamoDB client)

DynamoDB

public DynamoDB(Regions regionEnum)

Create a DynamoDB object that talks to the specified AWS region. The underlying service client will use all the default client configurations, including the default credentials provider chain. See AmazonDynamoDBClient() for more information.

If you need more control over the client configuration, use DynamoDB(AmazonDynamoDB) instead.

Parameters:

regionEnum - the AWS region enum

See Also:

• AmazonDynamoDBClient()

Method Details

getTable

public Table getTable(String tableName)

Returns the specified DynamoDB table. No network call is involved.

createTable

public Table createTable(CreateTableRequest req)

Creates the specified table in DynamoDB.

createTable

public Table createTable(String tableName,
 List<KeySchemaElement> keySchema,
 List<AttributeDefinition> attributeDefinitions,
 ProvisionedThroughput provisionedThroughput)

Creates the specified table in DynamoDB.

listTables

public TableCollection<ListTablesResult> listTables()

Description copied from interface: ListTablesApi

Returns a collection of all the tables (initialized with the respective table names) associated with the current account and endpoint. The underlying collection is paginated with a page size of 100. A network call is made whenever the collection is iterated across a page boundary.

Specified by:

listTables in interface ListTablesApi

listTables

public TableCollection<ListTablesResult> listTables(String exclusiveStartTableName)

Description copied from interface: ListTablesApi

Returns a collection of tables (initialized with the respective table names) associated with the current account and endpoint, starting with a name after the specified exclusiveStartTableName . The underlying collection is paginated with a page size of 100. A network call is made whenever the collection is iterated across a page boundary.

Specified by:

listTables in interface ListTablesApi

Parameters:

exclusiveStartTableName - The first table name that this operation will evaluate, exclusive of the specified exclusiveStartTableName. Use the value that was returned for LastEvaluatedTableName in a previous operation, so that you can obtain the next page of results.

listTables

public TableCollection<ListTablesResult> listTables(String exclusiveStartTableName,
 int maxResultSize)

Description copied from interface: ListTablesApi

Returns a collection of tables (initialized with the respective table names) up to the specified maxResultSize associated with the current account and endpoint, starting with a name after the specified exclusiveStartTableName. The underlying collection is paginated with a page size of 100. A network call is made whenever the collection is iterated across a page boundary.

Specified by:

listTables in interface ListTablesApi

Parameters:

exclusiveStartTableName - The first table name that this operation will evaluate exclusive of the specified exclusiveStartTableName. Use the value that was returned for LastEvaluatedTableName in a previous operation, so that you can obtain the next page of results.

maxResultSize - A maximum number of table names to return.

listTables

public TableCollection<ListTablesResult> listTables(int maxResultSize)

Description copied from interface: ListTablesApi

Returns a collection of tables (initialized with the respective table names) up to the specified maxResultSize associated with the current account and endpoint. The underlying collection is paginated with a page size of 100. A network call is made whenever the collection is iterated across a page boundary.

Specified by:

listTables in interface ListTablesApi

Parameters:

maxResultSize - A maximum number of table names to return.

listTables

public TableCollection<ListTablesResult> listTables(ListTablesSpec spec)

Description copied from interface: ListTablesApi

List tables by specifying all the details. The underlying collection is paginated with the specified page size (which defaults to 100). A network call is made whenever the collection is iterated across a page boundary.

Specified by:

listTables in interface ListTablesApi

Parameters:

spec - can be used to specify all the detailed parameters of listing tables.

Returns:

a collection of tables associated with the current account and endpoint.

batchGetItem

public BatchGetItemOutcome batchGetItem(ReturnConsumedCapacity returnConsumedCapacity,
 TableKeysAndAttributes... tableKeysAndAttributes)

Description copied from interface: BatchGetItemApi

Used to perform a batch get-item operation from DynamoDB.

Specified by:

batchGetItem in interface BatchGetItemApi

Parameters:

returnConsumedCapacity - returned capacity to be returned

tableKeysAndAttributes - the tables, keys, and attributes specification to be used to retrieve the items.

batchGetItem

public BatchGetItemOutcome batchGetItem(TableKeysAndAttributes... tableKeysAndAttributes)

Description copied from interface: BatchGetItemApi

Used to perform a batch get-item operation from DynamoDB.

Specified by:

batchGetItem in interface BatchGetItemApi

Parameters:

tableKeysAndAttributes - the tables, keys, and attributes specification to be used to retrieve the items.

batchGetItem

public BatchGetItemOutcome batchGetItem(BatchGetItemSpec spec)

Description copied from interface: BatchGetItemApi

Used to perform a batch get-item operation from DynamoDB with full parameter specification.

Specified by:

batchGetItem in interface BatchGetItemApi

batchGetItemUnprocessed

public BatchGetItemOutcome batchGetItemUnprocessed(ReturnConsumedCapacity returnConsumedCapacity,
 Map<String, KeysAndAttributes> unprocessedKeys)

Description copied from interface: BatchGetItemApi

Used to perform a batch get-item for the unprocessed keys returned from a previous batch get-item operation.

Specified by:

batchGetItemUnprocessed in interface BatchGetItemApi

Parameters:

returnConsumedCapacity - returned capacity to be returned

unprocessedKeys - the unprocessed keys returned from the result of a previous batch-get-item operation.

See Also:

• BatchGetItemOutcome.getUnprocessedKeys()

batchGetItemUnprocessed

public BatchGetItemOutcome batchGetItemUnprocessed(Map<String, KeysAndAttributes> unprocessedKeys)

Description copied from interface: BatchGetItemApi

Used to perform a batch get-item for the unprocessed keys returned from a previous batch get-item operation.

Specified by:

batchGetItemUnprocessed in interface BatchGetItemApi

Parameters:

unprocessedKeys - the unprocessed keys returned from the result of a previous batch-get-item operation.

See Also:

• BatchGetItemOutcome.getUnprocessedKeys()

batchWriteItem

public BatchWriteItemOutcome batchWriteItem(TableWriteItems... tableWriteItems)

Description copied from interface: BatchWriteItemApi

Used to perform a batch write operation to DynamoDB.

Specified by:

batchWriteItem in interface BatchWriteItemApi

Parameters:

tableWriteItems - the tables and the respective keys to delete from and/or the respective items to be put.

batchWriteItem

public BatchWriteItemOutcome batchWriteItem(BatchWriteItemSpec spec)

Description copied from interface: BatchWriteItemApi

Used to perform a batch write operation to DynamoDB with full parameter specification.

Specified by:

batchWriteItem in interface BatchWriteItemApi

batchWriteItemUnprocessed

public BatchWriteItemOutcome batchWriteItemUnprocessed(Map<String, List<WriteRequest>> unprocessedItems)

Description copied from interface: BatchWriteItemApi

Used to perform a batch write operation for the unprocessed items returned from a previous batch write operation.

Specified by:

batchWriteItemUnprocessed in interface BatchWriteItemApi

Parameters:

unprocessedItems - the unprocessed items returned from the result of a previous batch write operation

See Also:

• BatchWriteItemOutcome.getUnprocessedItems()

shutdown

public void shutdown()

Shuts down and release all resources.