Examples with DynamoDB com.amazonaws.services.dynamodbv2.document.DynamoDB used on opensource projects

Example 31 with DynamoDB

use of com.amazonaws.services.dynamodbv2.document.DynamoDB in project cas by apereo.

the class DynamoDbServiceRegistryFacilitator method createServicesTable.

/**
 * Create tables.
 *
 * @param deleteTables the delete tables
 */
@SneakyThrows
public void createServicesTable(final boolean deleteTables) {
    LOGGER.debug("Attempting to create DynamoDb services table");
    final CreateTableRequest request = new CreateTableRequest().withAttributeDefinitions(new AttributeDefinition(ColumnNames.ID.getColumnName(), ScalarAttributeType.S)).withKeySchema(new KeySchemaElement(ColumnNames.ID.getColumnName(), KeyType.HASH)).withProvisionedThroughput(new ProvisionedThroughput(dynamoDbProperties.getReadCapacity(), dynamoDbProperties.getWriteCapacity())).withTableName(dynamoDbProperties.getTableName());
    if (deleteTables) {
        final DeleteTableRequest delete = new DeleteTableRequest(request.getTableName());
        LOGGER.debug("Sending delete request [{}] to remove table if necessary", delete);
        TableUtils.deleteTableIfExists(amazonDynamoDBClient, delete);
    }
    LOGGER.debug("Sending delete request [{}] to create table", request);
    TableUtils.createTableIfNotExists(amazonDynamoDBClient, request);
    LOGGER.debug("Waiting until table [{}] becomes active...", request.getTableName());
    TableUtils.waitUntilActive(amazonDynamoDBClient, request.getTableName());
    final DescribeTableRequest describeTableRequest = new DescribeTableRequest().withTableName(request.getTableName());
    LOGGER.debug("Sending request [{}] to obtain table description...", describeTableRequest);
    final TableDescription tableDescription = amazonDynamoDBClient.describeTable(describeTableRequest).getTable();
    LOGGER.debug("Located newly created table with description: [{}]", tableDescription);
}

Example 32 with DynamoDB

use of com.amazonaws.services.dynamodbv2.document.DynamoDB in project nifi by apache.

the class PutDynamoDB method onTrigger.

@Override
public void onTrigger(final ProcessContext context, final ProcessSession session) {
    List<FlowFile> flowFiles = session.get(context.getProperty(BATCH_SIZE).evaluateAttributeExpressions().asInteger());
    if (flowFiles == null || flowFiles.size() == 0) {
        return;
    }
    Map<ItemKeys, FlowFile> keysToFlowFileMap = new HashMap<>();
    final String table = context.getProperty(TABLE).evaluateAttributeExpressions().getValue();
    final String hashKeyName = context.getProperty(HASH_KEY_NAME).evaluateAttributeExpressions().getValue();
    final String hashKeyValueType = context.getProperty(HASH_KEY_VALUE_TYPE).getValue();
    final String rangeKeyName = context.getProperty(RANGE_KEY_NAME).evaluateAttributeExpressions().getValue();
    final String rangeKeyValueType = context.getProperty(RANGE_KEY_VALUE_TYPE).getValue();
    final String jsonDocument = context.getProperty(JSON_DOCUMENT).evaluateAttributeExpressions().getValue();
    final String charset = context.getProperty(DOCUMENT_CHARSET).evaluateAttributeExpressions().getValue();
    TableWriteItems tableWriteItems = new TableWriteItems(table);
    for (FlowFile flowFile : flowFiles) {
        final Object hashKeyValue = getValue(context, HASH_KEY_VALUE_TYPE, HASH_KEY_VALUE, flowFile);
        final Object rangeKeyValue = getValue(context, RANGE_KEY_VALUE_TYPE, RANGE_KEY_VALUE, flowFile);
        if (!isHashKeyValueConsistent(hashKeyName, hashKeyValue, session, flowFile)) {
            continue;
        }
        if (!isRangeKeyValueConsistent(rangeKeyName, rangeKeyValue, session, flowFile)) {
            continue;
        }
        if (!isDataValid(flowFile, jsonDocument)) {
            flowFile = session.putAttribute(flowFile, AWS_DYNAMO_DB_ITEM_SIZE_ERROR, "Max size of item + attribute should be 400kb but was " + flowFile.getSize() + jsonDocument.length());
            session.transfer(flowFile, REL_FAILURE);
            continue;
        }
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        session.exportTo(flowFile, baos);
        try {
            if (rangeKeyValue == null || StringUtils.isBlank(rangeKeyValue.toString())) {
                tableWriteItems.addItemToPut(new Item().withKeyComponent(hashKeyName, hashKeyValue).withJSON(jsonDocument, IOUtils.toString(baos.toByteArray(), charset)));
            } else {
                tableWriteItems.addItemToPut(new Item().withKeyComponent(hashKeyName, hashKeyValue).withKeyComponent(rangeKeyName, rangeKeyValue).withJSON(jsonDocument, IOUtils.toString(baos.toByteArray(), charset)));
            }
        } catch (IOException ioe) {
            getLogger().error("IOException while creating put item : " + ioe.getMessage());
            flowFile = session.putAttribute(flowFile, DYNAMODB_ITEM_IO_ERROR, ioe.getMessage());
            session.transfer(flowFile, REL_FAILURE);
        }
        keysToFlowFileMap.put(new ItemKeys(hashKeyValue, rangeKeyValue), flowFile);
    }
    if (keysToFlowFileMap.isEmpty()) {
        return;
    }
    final DynamoDB dynamoDB = getDynamoDB();
    try {
        BatchWriteItemOutcome outcome = dynamoDB.batchWriteItem(tableWriteItems);
        handleUnprocessedItems(session, keysToFlowFileMap, table, hashKeyName, hashKeyValueType, rangeKeyName, rangeKeyValueType, outcome);
        // Handle any remaining flowfiles
        for (FlowFile flowFile : keysToFlowFileMap.values()) {
            getLogger().debug("Successful posted items to dynamodb : " + table);
            session.transfer(flowFile, REL_SUCCESS);
        }
    } catch (AmazonServiceException exception) {
        getLogger().error("Could not process flowFiles due to service exception : " + exception.getMessage());
        List<FlowFile> failedFlowFiles = processServiceException(session, flowFiles, exception);
        session.transfer(failedFlowFiles, REL_FAILURE);
    } catch (AmazonClientException exception) {
        getLogger().error("Could not process flowFiles due to client exception : " + exception.getMessage());
        List<FlowFile> failedFlowFiles = processClientException(session, flowFiles, exception);
        session.transfer(failedFlowFiles, REL_FAILURE);
    } catch (Exception exception) {
        getLogger().error("Could not process flowFiles due to exception : " + exception.getMessage());
        List<FlowFile> failedFlowFiles = processException(session, flowFiles, exception);
        session.transfer(failedFlowFiles, REL_FAILURE);
    }
}

Example 33 with DynamoDB

use of com.amazonaws.services.dynamodbv2.document.DynamoDB in project nifi by apache.

the class DeleteDynamoDBTest method setUp.

@Before
public void setUp() {
    outcome = new BatchWriteItemOutcome(result);
    result.setUnprocessedItems(new HashMap<String, List<WriteRequest>>());
    final DynamoDB mockDynamoDB = new DynamoDB(Regions.AP_NORTHEAST_1) {

        @Override
        public BatchWriteItemOutcome batchWriteItem(TableWriteItems... tableWriteItems) {
            return outcome;
        }
    };
    deleteDynamoDB = new DeleteDynamoDB() {

        @Override
        protected DynamoDB getDynamoDB() {
            return mockDynamoDB;
        }
    };
}

Example 34 with DynamoDB

use of com.amazonaws.services.dynamodbv2.document.DynamoDB in project nifi by apache.

the class DeleteDynamoDBTest method testStringHashStringRangeDeleteThrowsServiceException.

@Test
public void testStringHashStringRangeDeleteThrowsServiceException() {
    final DynamoDB mockDynamoDB = new DynamoDB(Regions.AP_NORTHEAST_1) {

        @Override
        public BatchWriteItemOutcome batchWriteItem(TableWriteItems... tableWriteItems) {
            throw new AmazonServiceException("serviceException");
        }
    };
    deleteDynamoDB = new DeleteDynamoDB() {

        @Override
        protected DynamoDB getDynamoDB() {
            return mockDynamoDB;
        }
    };
    final TestRunner deleteRunner = TestRunners.newTestRunner(deleteDynamoDB);
    deleteRunner.setProperty(AbstractDynamoDBProcessor.ACCESS_KEY, "abcd");
    deleteRunner.setProperty(AbstractDynamoDBProcessor.SECRET_KEY, "cdef");
    deleteRunner.setProperty(AbstractDynamoDBProcessor.REGION, REGION);
    deleteRunner.setProperty(AbstractDynamoDBProcessor.TABLE, stringHashStringRangeTableName);
    deleteRunner.setProperty(AbstractDynamoDBProcessor.HASH_KEY_NAME, "hashS");
    deleteRunner.setProperty(AbstractDynamoDBProcessor.HASH_KEY_VALUE, "h1");
    deleteRunner.setProperty(AbstractDynamoDBProcessor.RANGE_KEY_NAME, "rangeS");
    deleteRunner.setProperty(AbstractDynamoDBProcessor.RANGE_KEY_VALUE, "r1");
    deleteRunner.enqueue(new byte[] {});
    deleteRunner.run(1);
    deleteRunner.assertAllFlowFilesTransferred(AbstractDynamoDBProcessor.REL_FAILURE, 1);
    List<MockFlowFile> flowFiles = deleteRunner.getFlowFilesForRelationship(AbstractDynamoDBProcessor.REL_FAILURE);
    for (MockFlowFile flowFile : flowFiles) {
        assertEquals("serviceException (Service: null; Status Code: 0; Error Code: null; Request ID: null)", flowFile.getAttribute(AbstractDynamoDBProcessor.DYNAMODB_ERROR_EXCEPTION_MESSAGE));
    }
}

Example 35 with DynamoDB

use of com.amazonaws.services.dynamodbv2.document.DynamoDB in project nifi by apache.

the class GetDynamoDBTest method testStringHashStringRangeGetThrowsClientException.

@Test
public void testStringHashStringRangeGetThrowsClientException() {
    final DynamoDB mockDynamoDB = new DynamoDB(Regions.AP_NORTHEAST_1) {

        @Override
        public BatchGetItemOutcome batchGetItem(TableKeysAndAttributes... tableKeysAndAttributes) {
            throw new AmazonClientException("clientException");
        }
    };
    final GetDynamoDB getDynamoDB = new GetDynamoDB() {

        @Override
        protected DynamoDB getDynamoDB() {
            return mockDynamoDB;
        }
    };
    final TestRunner getRunner = TestRunners.newTestRunner(getDynamoDB);
    getRunner.setProperty(AbstractDynamoDBProcessor.ACCESS_KEY, "abcd");
    getRunner.setProperty(AbstractDynamoDBProcessor.SECRET_KEY, "cdef");
    getRunner.setProperty(AbstractDynamoDBProcessor.REGION, REGION);
    getRunner.setProperty(AbstractDynamoDBProcessor.TABLE, stringHashStringRangeTableName);
    getRunner.setProperty(AbstractDynamoDBProcessor.RANGE_KEY_NAME, "rangeS");
    getRunner.setProperty(AbstractDynamoDBProcessor.HASH_KEY_NAME, "hashS");
    getRunner.setProperty(AbstractDynamoDBProcessor.RANGE_KEY_VALUE, "r1");
    getRunner.setProperty(AbstractDynamoDBProcessor.HASH_KEY_VALUE, "h1");
    getRunner.setProperty(AbstractDynamoDBProcessor.JSON_DOCUMENT, "j1");
    getRunner.enqueue(new byte[] {});
    getRunner.run(1);
    getRunner.assertAllFlowFilesTransferred(AbstractDynamoDBProcessor.REL_FAILURE, 1);
    List<MockFlowFile> flowFiles = getRunner.getFlowFilesForRelationship(AbstractDynamoDBProcessor.REL_FAILURE);
    for (MockFlowFile flowFile : flowFiles) {
        assertEquals("clientException", flowFile.getAttribute(AbstractDynamoDBProcessor.DYNAMODB_ERROR_EXCEPTION_MESSAGE));
    }
}