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

Package com.amazonaws.services.dynamodbv2.model

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

com.amazonaws.services.dynamodbv2.model.DescribeTableRequest
Container for the parameters to the {@link com.amazonaws.services.dynamodbv2.AmazonDynamoDB#describeTable(DescribeTableRequest) DescribeTable operation}.
Returns information about the table, including the current status of the table, when it was created, the primary key schema, and any indexes on the table.
@see com.amazonaws.services.dynamodbv2.AmazonDynamoDB#describeTable(DescribeTableRequest)

     * 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;
            }

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        Map<String, Condition> conditions = new HashMap<String, Condition>();
        for ( Method getter : reflector.getKeyGetters(obj.getClass()) ) {
            if ( getter.isAnnotationPresent(DynamoDBHashKey.class) ) {
                conditions.put(
                        reflector.getAttributeName(getter),
                        new Condition().withComparisonOperator(ComparisonOperator.EQ).withAttributeValueList(
                                getSimpleAttributeValue(getter, safeInvoke(getter, obj, (Object[])null))));
            }
        }
        return conditions;
    }

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                    break;
                }
            }
        }


        db.deleteItem(applyUserAgent(new DeleteItemRequest().withKey(key).withTableName(tableName).withExpected(expectedValues)));
    }

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            if ( !requestItems.containsKey(tableName) ) {
                requestItems.put(tableName, new LinkedList<WriteRequest>());
            }


            requestItems.get(tableName).add(
                    new WriteRequest().withDeleteRequest(new DeleteRequest().withKey(key)));
        }


        // Break into chunks of 25 items and make service requests to DynamoDB
        while ( !requestItems.isEmpty() ) {
            HashMap<String, List<WriteRequest>> batch = new HashMap<String, List<WriteRequest>>();

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     * @return True if a table already exists with the specified name, otherwise
     *         false.
     */
    public static boolean doesTableExist(AmazonDynamoDB dynamo, String tableName) {
        try {
            TableDescription table = dynamo.describeTable(new DescribeTableRequest(tableName)).getTable();
            return TableStatus.ACTIVE.toString().equals(table.getTableStatus());
        } catch (ResourceNotFoundException rnfe) {
            // This means the table doesn't exist in the account yet
            return false;
        }

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    public static void waitForTableToBecomeActive(AmazonDynamoDB dynamo, String tableName) {
        long startTime = System.currentTimeMillis();
        long endTime = startTime + (10 * 60 * 1000);
        while (System.currentTimeMillis() < endTime) {
            try {
                TableDescription table = dynamo.describeTable(new DescribeTableRequest(tableName)).getTable();
                if (table != null && table.getTableStatus().equals(TableStatus.ACTIVE.toString()))
                    return;
            } catch (ResourceNotFoundException rnfe) {
                // ResourceNotFound means the table doesn't exist yet,
                // so ignore this error and just keep polling.

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     * @return True if a table already exists with the specified name, otherwise
     *         false.
     */
    public static boolean doesTableExist(AmazonDynamoDB dynamo, String tableName) {
        try {
            TableDescription table = dynamo.describeTable(new DescribeTableRequest(tableName)).getTable();
            return TableStatus.ACTIVE.toString().equals(table.getTableStatus());
        } catch (ResourceNotFoundException rnfe) {
            // This means the table doesn't exist in the account yet
            return false;
        }

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            throw new AmazonClientException("Interval must be > 0 and < timeout");
        long startTime = System.currentTimeMillis();
        long endTime = startTime + timeout;
        while (System.currentTimeMillis() < endTime) {
            try {
                TableDescription table = dynamo.describeTable(new DescribeTableRequest(tableName)).getTable();
                if (table != null && table.getTableStatus().equals(TableStatus.ACTIVE.toString()))
                    return;
            } catch (ResourceNotFoundException rnfe) {
                // ResourceNotFound means the table doesn't exist yet,
                // so ignore this error and just keep polling.

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                System.out.println("Waiting for " + tableName + " to become ACTIVE...");
                Tables.waitForTableToBecomeActive(dynamoDB, tableName);
            }


            // Describe our new table
            DescribeTableRequest describeTableRequest = new DescribeTableRequest().withTableName(tableName);
            TableDescription tableDescription = dynamoDB.describeTable(describeTableRequest).getTable();
            System.out.println("Table Description: " + tableDescription);


            // Add an item
            Map<String, AttributeValue> item = newItem("Bill & Ted's Excellent Adventure", 1989, "****", "James", "Sara");

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     * @param tableName
     *        The Amazon DynamoDB table to get the status of
     * @return
     */
    private static TableStatus getTableStatus(AmazonDynamoDBClient client, String tableName) {
        DescribeTableRequest describeTableRequest = new DescribeTableRequest();
        describeTableRequest.setTableName(tableName);
        DescribeTableResult describeTableResult = client.describeTable(describeTableRequest);
        String status = describeTableResult.getTable().getTableStatus();
        return TableStatus.fromValue(status);
    }

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