TableSchema API to create table and functional tests

Author: joviegas

services-custom/dynamodb-enhanced/src/main/java/software/amazon/awssdk/enhanced/dynamodb/TableSchema.java

@@ -20,7 +20,9 @@
 import java.util.Map;
 import software.amazon.awssdk.annotations.SdkPublicApi;
 import software.amazon.awssdk.annotations.ThreadSafe;
+import software.amazon.awssdk.enhanced.dynamodb.document.EnhancedDocument;
 import software.amazon.awssdk.enhanced.dynamodb.mapper.BeanTableSchema;
+import software.amazon.awssdk.enhanced.dynamodb.mapper.DocumentTableSchema;
 import software.amazon.awssdk.enhanced.dynamodb.mapper.ImmutableTableSchema;
 import software.amazon.awssdk.enhanced.dynamodb.mapper.StaticImmutableTableSchema;
 import software.amazon.awssdk.enhanced.dynamodb.mapper.StaticTableSchema;
@@ -84,6 +86,17 @@ static <T> BeanTableSchema<T> fromBean(Class<T> beanClass) {
         return BeanTableSchema.create(beanClass);
     }
 
+
+    /**
+     * Provides interfaces to interact with DynamoDB tables as {@link EnhancedDocument} where the complete Schema of the table
+     * is not required.
+     * @return A {@link DocumentTableSchema.Builder} for instantiating DocumentTableSchema.
+     *
+     */
+    static DocumentTableSchema.Builder fromDocumentSchemaBuilder(){
+        return DocumentTableSchema.builder();
+    }
+
     /**
      * Scans an immutable class that has been annotated with DynamoDb immutable annotations and then returns a
      * {@link ImmutableTableSchema} implementation of this interface that can map records to and from items of that

services-custom/dynamodb-enhanced/src/main/java/software/amazon/awssdk/enhanced/dynamodb/document/EnhancedDocument.java

@@ -461,7 +461,7 @@ interface Builder {
          * @param value         The list of values that needs to be set.
          * @return Builder instance to construct a {@link EnhancedDocument}
          */
-        Builder addList(String attributeName, List<?> value);
+        Builder addList(String attributeName, List<? extends Object> value);
 
         /**
          * Appends an attribute of name attributeName with specified map values to the document builder.
@@ -470,7 +470,7 @@ interface Builder {
          * @param value         The map that needs to be set.
          * @return Builder instance to construct a {@link EnhancedDocument}
          */
-        Builder addMap(String attributeName, Map<String, ?> value);
+        Builder addMap(String attributeName, Map<String, ? extends Object> value);
 
         /**
          * Appends an attribute of name attributeName with specified value of the given JSON document in the form of a string.