Examples of com.amazonaws.services.dynamodbv2.model.BatchWriteItemResult

Package com.amazonaws.services.dynamodbv2.model

Examples of com.amazonaws.services.dynamodbv2.model.BatchWriteItemResult

com.amazonaws.services.dynamodbv2.model.BatchWriteItemResult

Represents the output of a BatchWriteItem operation.

     * Continue trying to process the batch until it finishes or an exception
     * occurs.
     */


    private FailedBatch callUntilCompletion(Map<String, List<WriteRequest>> batch) {
        BatchWriteItemResult result = null;
        int retries = 0;
        FailedBatch failedBatch = null;
        while (true) {
            try {
                result = db.batchWriteItem(new BatchWriteItemRequest().withRequestItems(batch));
            } catch (Exception e) {
                failedBatch = new FailedBatch();
                failedBatch.setUnprocessedItems(batch);
                failedBatch.setException(e);
                return failedBatch;
            }
            retries++;
            batch = result.getUnprocessedItems();
            if (batch.size() > 0) {
                pauseExponentially(retries);
            } else {
                break;
            }

View Full Code Here

     * Continue trying to process the batch until it finishes or an exception
     * occurs.
     */


    private FailedBatch callUntilCompletion(Map<String, List<WriteRequest>> batch) {
        BatchWriteItemResult result = null;
        int retries = 0;
        FailedBatch failedBatch = null;
        while (true) {
            try {
                result = db.batchWriteItem(new BatchWriteItemRequest().withRequestItems(batch));
            } catch (Exception e) {
                failedBatch = new FailedBatch();
                failedBatch.setUnprocessedItems(batch);
                failedBatch.setException(e);
                return failedBatch;
            }
            retries++;
            batch = result.getUnprocessedItems();
            if (batch.size() > 0) {
                pauseExponentially(retries);
            } else {
                break;
            }

View Full Code Here

     * Continue trying to process the batch until it finishes or an exception
     * occurs.
     */


    private FailedBatch callUntilCompletion(Map<String, List<WriteRequest>> batch) {
        BatchWriteItemResult result = null;
        int retries = 0;
        FailedBatch failedBatch = null;
        while (true) {
            try {
                result = db.batchWriteItem(new BatchWriteItemRequest().withRequestItems(batch));
            } catch (Exception e) {
                failedBatch = new FailedBatch();
                failedBatch.setUnprocessedItems(batch);
                failedBatch.setException(e);
                return failedBatch;
            }
            retries++;
            batch = result.getUnprocessedItems();
            if (batch.size() > 0) {
                pauseExponentially(retries);
            } else {
                break;
            }

View Full Code Here

     * Continue trying to process the batch until it finishes or an exception
     * occurs.
     */


    private FailedBatch callUntilCompletion(Map<String, List<WriteRequest>> batch) {
        BatchWriteItemResult result = null;
        int retries = 0;
        FailedBatch failedBatch = null;
        while (true) {
            try {
                result = db.batchWriteItem(new BatchWriteItemRequest().withRequestItems(batch));
            } catch (Exception e) {
                failedBatch = new FailedBatch();
                failedBatch.setUnprocessedItems(batch);
                failedBatch.setException(e);
                return failedBatch;
            }
            retries++;
            batch = result.getUnprocessedItems();
            if (batch.size() > 0) {
                pauseExponentially(retries);
            } else {
                break;
            }

View Full Code Here

     * Continue trying to process the batch until it finishes or an exception
     * occurs.
     */


    private FailedBatch callUntilCompletion(Map<String, List<WriteRequest>> batch) {
        BatchWriteItemResult result = null;
        int retries = 0;
        FailedBatch failedBatch = null;
        while (true) {
            try {
                result = db.batchWriteItem(new BatchWriteItemRequest().withRequestItems(batch));
            } catch (Exception e) {
                failedBatch = new FailedBatch();
                failedBatch.setUnprocessedItems(batch);
                failedBatch.setException(e);
                return failedBatch;
            }
            retries++;
            batch = result.getUnprocessedItems();
            if (batch.size() > 0) {
                pauseExponentially(retries);
            } else {
                break;
            }

View Full Code Here

     * Continue trying to process the batch until it finishes or an exception
     * occurs.
     */


    private FailedBatch callUntilCompletion(Map<String, List<WriteRequest>> batch) {
        BatchWriteItemResult result = null;
        int retries = 0;
        FailedBatch failedBatch = null;
        while (true) {
            try {
                result = db.batchWriteItem(new BatchWriteItemRequest().withRequestItems(batch));
            } catch (Exception e) {
                failedBatch = new FailedBatch();
                failedBatch.setUnprocessedItems(batch);
                failedBatch.setException(e);
                return failedBatch;
            }
            retries++;
            batch = result.getUnprocessedItems();
            if (batch.size() > 0) {
                pauseExponentially(retries);
            } else {
                break;
            }

View Full Code Here

     * Continue trying to process the batch until it finishes or an exception
     * occurs.
     */


    private FailedBatch callUntilCompletion(Map<String, List<WriteRequest>> batch) {
        BatchWriteItemResult result = null;
        int retries = 0;
        FailedBatch failedBatch = null;
        while (true) {
            try {
                result = db.batchWriteItem(new BatchWriteItemRequest().withRequestItems(batch));
            } catch (Exception e) {
                failedBatch = new FailedBatch();
                failedBatch.setUnprocessedItems(batch);
                failedBatch.setException(e);
                return failedBatch;
            }
            retries++;
            batch = result.getUnprocessedItems();
            if (batch.size() > 0) {
                pauseExponentially(retries);
            } else {
                break;
            }

View Full Code Here

     * Continue trying to process the batch until it finishes or an exception
     * occurs.
     */


    private FailedBatch callUntilCompletion(Map<String, List<WriteRequest>> batch) {
        BatchWriteItemResult result = null;
        int retries = 0;
        FailedBatch failedBatch = null;
        while (true) {
            try {
                result = db.batchWriteItem(new BatchWriteItemRequest().withRequestItems(batch));
            } catch (Exception e) {
                failedBatch = new FailedBatch();
                failedBatch.setUnprocessedItems(batch);
                failedBatch.setException(e);
                return failedBatch;
            }
            retries++;
            batch = result.getUnprocessedItems();
            if (batch.size() > 0) {
                pauseExponentially(retries);
            } else {
                break;
            }

View Full Code Here

     * Continue trying to process the batch until it finishes or an exception
     * occurs.
     */


    private FailedBatch callUntilCompletion(Map<String, List<WriteRequest>> batch) {
        BatchWriteItemResult result = null;
        int retries = 0;
        FailedBatch failedBatch = null;
        while (true) {
            try {
                result = db.batchWriteItem(new BatchWriteItemRequest().withRequestItems(batch));
            } catch (Exception e) {
                failedBatch = new FailedBatch();
                failedBatch.setUnprocessedItems(batch);
                failedBatch.setException(e);
                return failedBatch;
            }
            retries++;
            batch = result.getUnprocessedItems();
            if (batch.size() > 0) {
                pauseExponentially(retries);
            } else {
                break;
            }

View Full Code Here

  }


    @Test
    public void vanillaBatchWriteItemTest() throws Exception{
        BatchWriteItemRequest batchWriteItemRequest = new BatchWriteItemRequest();
        BatchWriteItemResult result;


        // Create a map for the requests in the batch
        Map<String, List<WriteRequest>> requestItems = new HashMap<String, List<WriteRequest>>();


        // Test: write items to database
        Map<String, AttributeValue> forumItem = new HashMap<String, AttributeValue>();
        forumItem.put(hashKeyName1, new AttributeValue().withN("1"));
        forumItem.put("range", new AttributeValue().withS("a"));
        List<WriteRequest> forumList = new ArrayList<WriteRequest>();
        forumList.add(new WriteRequest().withPutRequest(new PutRequest().withItem(forumItem)));


        Map<String, AttributeValue> forumItem1 = new HashMap<String, AttributeValue>();
        forumItem1.put(hashKeyName1, new AttributeValue().withN("2"));
        forumItem1.put("range", new AttributeValue().withS("b"));
        forumList.add(new WriteRequest().withPutRequest(new PutRequest().withItem(forumItem1)));


        Map<String, AttributeValue> forumItem5 = new HashMap<String, AttributeValue>();
        forumItem5.put(hashKeyName1, new AttributeValue().withN("3"));
        forumItem5.put("range", new AttributeValue().withS("c"));
        forumList.add(new WriteRequest().withPutRequest(new PutRequest().withItem(forumItem5)));


        Map<String, AttributeValue> forumItem2 = new HashMap<String, AttributeValue>();
        forumItem2.put(hashKeyName1, new AttributeValue().withN("4"));
        forumItem2.put("range", new AttributeValue().withS("d"));
        forumList.add(new WriteRequest().withPutRequest(new PutRequest().withItem(forumItem2)));


        Map<String, AttributeValue> forumItem3 = new HashMap<String, AttributeValue>();
        forumItem3.put(hashKeyName1, new AttributeValue().withN("5"));
        forumItem3.put("range", new AttributeValue().withS("e"));
        forumList.add(new WriteRequest().withPutRequest(new PutRequest().withItem(forumItem3)));


        Map<String, AttributeValue> forumItem4 = new HashMap<String, AttributeValue>();
        forumItem4.put(hashKeyName1, new AttributeValue().withN("6"));
        forumItem4.put("range", new AttributeValue().withS("f"));
        forumList.add(new WriteRequest().withPutRequest(new PutRequest().withItem(forumItem4)));


        //Test case: with duplicated hashkey item but distinguished range key input.
        Map<String, AttributeValue> forumItem6 = new HashMap<String, AttributeValue>();
        forumItem6.put(hashKeyName1, new AttributeValue().withN("6"));
        forumItem6.put("range", new AttributeValue().withS("ff"));
        forumList.add(new WriteRequest().withPutRequest(new PutRequest().withItem(forumItem6)));


        //Test on Table 2
        Map<String, AttributeValue> forumItemT2 = new HashMap<String, AttributeValue>();
        forumItemT2.put(hashKeyName2, new AttributeValue().withN("1"));
        forumItemT2.put("range", new AttributeValue().withS("a"));
        List<WriteRequest> forumListT2 = new ArrayList<WriteRequest>();
        forumListT2.add(new WriteRequest().withPutRequest(new PutRequest().withItem(forumItemT2)));


        requestItems.put(tableName1, forumList);
        requestItems.put(tableName2, forumListT2);
        do {
            System.out.println("Making the request.");


            batchWriteItemRequest.withRequestItems(requestItems);
            result = getClient().batchWriteItem(batchWriteItemRequest);


            // Print consumed capacity units
            for(ConsumedCapacity entry : result.getConsumedCapacity()) {
                String tableName1 = entry.getTableName();
                Double consumedCapacityUnits = entry.getCapacityUnits();
                System.out.println("Consumed capacity units for table " + tableName1 + ": " + consumedCapacityUnits);
            }


            // Check for unprocessed keys which could happen if you exceed provisioned throughput
            System.out.println("Unprocessed Put and Delete requests: \n" + result.getUnprocessedItems());
            requestItems = result.getUnprocessedItems();
        } while (result.getUnprocessedItems().size() > 0);
    }

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