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|http://aws.amazon.com/dynamodb].
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h3. URI Format
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aws-ddb://domainName[?options]
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You can append query options to the URI in the following format, 

 |
|accessKey | {{null}} | Producer | Amazon AWS Access Key |
|secretKey | {{null}} | Producer | Amazon AWS Secret Key |
|amazonDdbEndpoint | {{null}} | Producer | The region with which the AWS-DDB client wants to work with. |
|tableName | {{null}} | Producer | The name of the table currently worked with. |
|readCapacity | {{0}} | Producer | The provisioned throughput to reserve for reading resources from your table |
|writeCapacity | {{0}} | Producer | The provisioned throughput to reserved for writing resources to your table |
|consistentRead | {{false}} | Producer | Determines whether or not strong consistency should be enforced when data is read.|
|operation| {{PutAttributes}} | Producer | Valid values are BatchGetItems, DeleteItem, DeleteTable, DescribeTable, GetItem, PutItem, Query, Scan, UpdateItem, UpdateTable.|

{info:title=Required DDB component options}
You have to provide the amazonDDBClient in the [Registry] or your accessKey and secretKey to access the [Amazon's DynamoDB|http://aws.amazon.com/dynamodb].
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h3. Usage
h4. Message headers evaluated by the DDB producer
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|| Header || Type || Description ||
| {{CamelAwsDdbBatchItems}} | {{Map<String, KeysAndAttributes>}} | A map of the table name and corresponding items to get by primary key. |
| {{CamelAwsDdbTableName}} | {{String}} | Table Name for this operation. |
| {{CamelAwsDdbKey}} | {{Key}} | The primary key that uniquely identifies each item in a table. |
| {{CamelAwsDdbReturnValues}} | {{String}} | Use this parameter if you want to get the attribute name-value pairs before or after they are modified(NONE, ALL_OLD, UPDATED_OLD, ALL_NEW, UPDATED_NEW). |
| {{CamelAwsDdbUpdateCondition}} | {{Map<String, ExpectedAttributeValue>}} | Designates an attribute for a conditional modification. |
| {{CamelAwsDdbAttributeNames}} | {{Collection<String>}} | If attribute names are not specified then all attributes will be returned. |
| {{CamelAwsDdbConsistentRead}} | {{Boolean}} | If set to true, then a consistent read is issued, otherwise eventually consistent is used. |
| {{CamelAwsDdbItem}} | {{Map<String, AttributeValue>}} | A map of the attributes for the item, and must include the primary key values that define the item. |
| {{CamelAwsDdbExactCount}} | {{Boolean}} | If set to true, Amazon DynamoDB returns a total number of items that  match the query parameters, instead of a list of the matching items and their attributes. |
| {{CamelAwsDdbStartKey}} | {{Key}} | Primary key of the item from which to continue an earlier query. |
| {{CamelAwsDdbHashKeyValue}} | {{AttributeValue}} | Value of the hash component of the composite primary key. |
| {{CamelAwsDdbLimit}} | {{Integer}} | The maximum number of items to return. |
| {{CamelAwsDdbScanRangeKeyCondition}} | {{Condition}} | A container for the attribute values and comparison operators to use for the query. |
| {{CamelAwsDdbScanIndexForward}} | {{Boolean}} | Specifies forward or backward traversal of the index. |
| {{CamelAwsDdbScanFilter}} | {{Map<String, Condition>}} | Evaluates the scan results and returns only the desired values. |
| {{CamelAwsDdbUpdateValues}} | {{Map<String, AttributeValueUpdate>}} | Map of attribute name to the new value and action for the update. |
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h4. 

 BatchGetItems operation
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|| Header || Type || Description ||
| {{CamelAwsDdbBatchResponse}} | {{Map<String,BatchResponse>}} | Table names and the respective item attributes from the tables. |
| {{CamelAwsDdbUnprocessedKeys}} | {{Map<String,KeysAndAttributes>}} | Contains a map of tables and their respective keys that were not processed with the current response. |
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h4. 

 operation
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|| Header || Type || Description ||
| {{CamelAwsDdbAttributes}} | {{Map<String, AttributeValue>}} | The list of attributes returned by the operation. |
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h4. 

 operation
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|| Header || Type || Description ||
| {{CamelAwsDdbProvisionedThroughput}} | {{ProvisionedThroughputDescription}} | The value of the ProvisionedThroughput property for this table |
| {{CamelAwsDdbCreationDate}} | {{Date}} | Creation DateTime of this table. |
| {{CamelAwsDdbTableItemCount}} | {{Long}} | Item count for this table. |
| {{CamelAwsDdbKeySchema}} | {{KeySchema}} | The KeySchema that identifies the primary key for this table. |
| {{CamelAwsDdbTableName}} | {{String}} | The table name. |
| {{CamelAwsDdbTableSize}} | {{Long}} | The table size in bytes. |
| {{CamelAwsDdbTableStatus}} | {{String}} | The status of the table: CREATING, UPDATING, DELETING, ACTIVE |
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h4. 

 operation
{div:class=confluenceTableSmall}
|| Header || Type || Description ||
| {{CamelAwsDdbProvisionedThroughput}} | {{ProvisionedThroughputDescription} | The value of the ProvisionedThroughput property for this table |
| {{CamelAwsDdbCreationDate}} | {{Date}} | Creation DateTime of this table. |
| {{CamelAwsDdbTableItemCount}} | {{Long}} | Item count for this table. |
| {{CamelAwsDdbKeySchema}} | {{KeySchema | The KeySchema that identifies the primary key for this table. |
| {{CamelAwsDdbTableName}} | {{String}} | The table name. |
| {{CamelAwsDdbTableSize}} | {{Long}} | The table size in bytes. |
| {{CamelAwsDdbTableStatus}} | {{String}} | The status of the table: CREATING, UPDATING, DELETING, ACTIVE |
| {{CamelAwsDdbReadCapacity}} | {{Long}} | ReadCapacityUnits property of this table. |
| {{CamelAwsDdbWriteCapacity}} | {{Long}} | WriteCapacityUnits property of this table. |
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h4. 

 operation
{div:class=confluenceTableSmall}
|| Header || Type || Description ||
| {{CamelAwsDdbAttributes}} | {{Map<String, AttributeValue>}} | The list of attributes returned by the operation. |
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h4. 

 operation
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|| Header || Type || Description ||
| {{CamelAwsDdbAttributes}} | {{Map<String, AttributeValue>}} | The list of attributes returned by the operation. |
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h4. 

 operation
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|| Header || Type || Description ||
| {{CamelAwsDdbItems}} | {{List<java.util.Map<String,AttributeValue>>}} | The list of attributes returned by the operation. |
| {{CamelAwsDdbLastEvaluatedKey}} | {{Key}} | Primary key of the item where the query operation stopped, inclusive of the previous result set. |
| {{CamelAwsDdbConsumedCapacity}} | {{Double}} | The number of Capacity Units of the provisioned throughput of the table consumed during the operation. |
| {{CamelAwsDdbCount}} | {{Integer}} | Number of items in the response. |
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h4. 

 operation
{div:class=confluenceTableSmall}
|| Header || Type || Description ||
| {{CamelAwsDdbItems}} | {{List<java.util.Map<String,AttributeValue>>}} | The list of attributes returned by the operation. |
| {{CamelAwsDdbLastEvaluatedKey}} | {{Key}} | Primary key of the item where the query operation stopped, inclusive of the previous result set. |
| {{CamelAwsDdbConsumedCapacity}} | {{Double}} | The number of Capacity Units of the provisioned throughput of the table consumed during the operation. |
| {{CamelAwsDdbCount}} | {{Integer}} | Number of items in the response. |
| {{CamelAwsDdbScannedCount}} | {{Integer}} | Number of items in the complete scan before any filters are applied. |
{div}


h4. Message headers set during UpdateItem operation

{div:class=confluenceTableSmall}
|| Header || Type || Description ||
| {{CamelAwsDdbAttributes}} | {{Map<String, AttributeValue>}} | The list of attributes returned by the operation. |
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h4.