Java Code Examples for com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapper#batchWrite()

The following examples show how to use com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapper#batchWrite() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: DynamoDBMapperBatchWriteExample.java    From aws-doc-sdk-examples with Apache License 2.0 5 votes vote down vote up 
private static void testBatchWrite(DynamoDBMapper mapper) {

        // Create Forum item to save
        Forum forumItem = new Forum();
        forumItem.name = "Test BatchWrite Forum";
        forumItem.threads = 0;
        forumItem.category = "Amazon Web Services";

        // Create Thread item to save
        Thread threadItem = new Thread();
        threadItem.forumName = "AmazonDynamoDB";
        threadItem.subject = "My sample question";
        threadItem.message = "BatchWrite message";
        List<String> tags = new ArrayList<String>();
        tags.add("batch operations");
        tags.add("write");
        threadItem.tags = new HashSet<String>(tags);

        // Load ProductCatalog item to delete
        Book book3 = mapper.load(Book.class, 903);

        List<Object> objectsToWrite = Arrays.asList(forumItem, threadItem);
        List<Book> objectsToDelete = Arrays.asList(book3);

        DynamoDBMapperConfig config = DynamoDBMapperConfig.builder()
            .withSaveBehavior(DynamoDBMapperConfig.SaveBehavior.CLOBBER)
        .build();

        mapper.batchWrite(objectsToWrite, objectsToDelete, config);
    }
Example 2
Source File: ObjectPersistenceBatchWriteExample.java    From aws-dynamodb-examples with Apache License 2.0 5 votes vote down vote up 
private static void testBatchWrite(DynamoDBMapper mapper) {
    
    // Create Forum item to save
    Forum forumItem = new Forum();
    forumItem.name = "Test BatchWrite Forum";
    forumItem.threads = 0;
    forumItem.category = "Amazon Web Services";
    
    // Create Thread item to save
    Thread threadItem = new Thread();
    threadItem.forumName = "AmazonDynamoDB";
    threadItem.subject = "My sample question";
    threadItem.message = "BatchWrite message";
    List<String> tags = new ArrayList<String>();
    tags.add("batch operations");
    tags.add("write");
    threadItem.tags = new HashSet<String>(tags);
    
    // Load ProductCatalog item to delete
    Book book3 = mapper.load(Book.class, 903);
    
    List<Object> objectsToWrite = Arrays.asList(forumItem, threadItem);
    List<Book> objectsToDelete = Arrays.asList(book3);
    
    DynamoDBMapperConfig config = new DynamoDBMapperConfig(DynamoDBMapperConfig.SaveBehavior.CLOBBER);
    mapper.batchWrite(objectsToWrite, objectsToDelete, config);
}