Merge pull request #184 from mythilias/main

Java example for the Lambda-DynamoDB integration

Author: yualexan

integration-ddb-to-lambda/example.java

@@ -0,0 +1,24 @@
+import com.amazonaws.services.lambda.runtime.Context;
+import com.amazonaws.services.lambda.runtime.RequestHandler;
+import com.amazonaws.services.lambda.runtime.events.DynamodbEvent;
+import com.amazonaws.services.lambda.runtime.events.DynamodbEvent.DynamodbStreamRecord;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+public class example implements RequestHandler<DynamodbEvent, Void> {
+
+    private static final Gson GSON = new GsonBuilder().setPrettyPrinting().create();
+
+    @Override
+    public Void handleRequest(DynamodbEvent event, Context context) {
+        System.out.println(GSON.toJson(event));
+        event.getRecords().forEach(this::logDynamoDBRecord);
+        return null;
+    }
+
+    private void logDynamoDBRecord(DynamodbStreamRecord record) {
+        System.out.println(record.getEventID());
+        System.out.println(record.getEventName());
+        System.out.println("DynamoDB Record: " + GSON.toJson(record.getDynamodb()));
+    }
+}