Let's discuss the steps to read data from Lambda without repeating the common steps we already discussed:
- Create a Maven project for the Lambda with the common parent and the DynamoDB Java SDK dependency.
- Define the Request and Response domain objects.
The Request object for the lambda-dynamodb-read-item lambda is defined as follows:
@Datapublic class Request { private String tableName; private String partitionKey; private String sortKey; private String partitionKeyValue; private String sortKeyValue; // Will be stored integer. private boolean waitForActive; private Map<String, String> filterData;}
The filterData map will contain the attributes to create filter expressions and their corresponding values. The Response object ...
