com.amazonaws.services.dynamodbv2.model.StreamViewType Java Examples

The following examples show how to use com.amazonaws.services.dynamodbv2.model.StreamViewType. 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: StreamsAdapterDemoHelper.java    From aws-doc-sdk-examples with Apache License 2.0 5 votes vote down vote up
/**
 * @return StreamArn
 */
public static String createTable(AmazonDynamoDB client, String tableName) {
    java.util.List<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
    attributeDefinitions.add(new AttributeDefinition().withAttributeName("Id").withAttributeType("N"));

    java.util.List<KeySchemaElement> keySchema = new ArrayList<KeySchemaElement>();
    keySchema.add(new KeySchemaElement().withAttributeName("Id").withKeyType(KeyType.HASH)); // Partition
                                                                                             // key

    ProvisionedThroughput provisionedThroughput = new ProvisionedThroughput().withReadCapacityUnits(2L)
        .withWriteCapacityUnits(2L);

    StreamSpecification streamSpecification = new StreamSpecification();
    streamSpecification.setStreamEnabled(true);
    streamSpecification.setStreamViewType(StreamViewType.NEW_IMAGE);
    CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName)
        .withAttributeDefinitions(attributeDefinitions).withKeySchema(keySchema)
        .withProvisionedThroughput(provisionedThroughput).withStreamSpecification(streamSpecification);

    try {
        System.out.println("Creating table " + tableName);
        CreateTableResult result = client.createTable(createTableRequest);
        return result.getTableDescription().getLatestStreamArn();
    }
    catch (ResourceInUseException e) {
        System.out.println("Table already exists.");
        return describeTable(client, tableName).getTable().getLatestStreamArn();
    }
}
 
Example #2
Source File: DynamoDBConnectorUtilities.java    From dynamodb-cross-region-library with Apache License 2.0 5 votes vote down vote up
/**
 * Check whether Streams is enabled on the given argument with the given stream view type
 * 
 * @param streamsClient 
 *            streams client used to access the given stream
 * @param streamArn
 *            the stream ARN to check against
 * @param viewType
 *            the stream view type to check against
 * @return a boolean indicating whether the given stream is enabled and matches the given stream view type
 */
public static boolean isStreamsEnabled(AmazonDynamoDBStreams streamsClient, String streamArn,
                                       StreamViewType viewType) {
    // Get and check stream description
    StreamDescription result = streamsClient.describeStream(new DescribeStreamRequest().withStreamArn(streamArn))
        .getStreamDescription();
    if (result.getStreamStatus().equalsIgnoreCase(DynamoDBConnectorConstants.ENABLED_STRING)
        && result.getStreamViewType().equalsIgnoreCase(viewType.toString())) {
        return true;
    }
    log.error(DynamoDBConnectorConstants.STREAM_NOT_READY + " StreamARN: " + streamArn);
    return false;
}
 
Example #3
Source File: DynamoDBUtils.java    From wildfly-camel with Apache License 2.0 5 votes vote down vote up
public static TableDescription createTable(AmazonDynamoDB client, String tableName) throws InterruptedException {
    CreateTableRequest tableReq = new CreateTableRequest().withTableName(tableName)
            .withKeySchema(new KeySchemaElement("Id", KeyType.HASH))
            .withAttributeDefinitions(new AttributeDefinition("Id", ScalarAttributeType.N))
            .withProvisionedThroughput(new ProvisionedThroughput(10L, 10L))
            .withStreamSpecification(new StreamSpecification().withStreamEnabled(true).withStreamViewType(StreamViewType.NEW_AND_OLD_IMAGES));

    DynamoDB dynamoDB = new DynamoDB(client);
    Table table = dynamoDB.createTable(tableReq);
    return table.waitForActive();
}
 
Example #4
Source File: StreamsAdapterDemoHelper.java    From aws-dynamodb-examples with Apache License 2.0 5 votes vote down vote up
/**
 * @return StreamArn
 */
public static String createTable(AmazonDynamoDBClient client, String tableName) {
    java.util.List<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
    attributeDefinitions.add(new AttributeDefinition().withAttributeName("Id").withAttributeType("N"));

    java.util.List<KeySchemaElement> keySchema = new ArrayList<KeySchemaElement>();
    keySchema.add(new KeySchemaElement().withAttributeName("Id").withKeyType(KeyType.HASH));

    ProvisionedThroughput provisionedThroughput = new ProvisionedThroughput()
        .withReadCapacityUnits(2L).withWriteCapacityUnits(2L);

    StreamSpecification streamSpecification = new StreamSpecification();
    streamSpecification.setStreamEnabled(true);
    streamSpecification.setStreamViewType(StreamViewType.NEW_IMAGE);
    CreateTableRequest createTableRequest = new CreateTableRequest()
        .withTableName(tableName)
        .withAttributeDefinitions(attributeDefinitions)
        .withKeySchema(keySchema)
        .withProvisionedThroughput(provisionedThroughput)
        .withStreamSpecification(streamSpecification);

    try {
        System.out.println("Creating table " + tableName);
        CreateTableResult result = client.createTable(createTableRequest);
        return result.getTableDescription().getLatestStreamArn();
    } catch(ResourceInUseException e) {
        System.out.println("Table already exists.");
        return describeTable(client, tableName).getTable().getLatestStreamArn();
    }
}
 
Example #5
Source File: DynamodbEventDeserializer.java    From bender with Apache License 2.0 4 votes vote down vote up
@JsonIgnore
public void setStreamViewType(StreamViewType streamViewType);
 
Example #6
Source File: DynamoDBStreamsRecordObjectMapper.java    From dynamodb-cross-region-library with Apache License 2.0 4 votes vote down vote up
@JsonIgnore
public abstract void setStreamViewType(StreamViewType streamViewType);
 
Example #7
Source File: CrossRegionReplicationIntegrationTests.java    From dynamodb-cross-region-library with Apache License 2.0 4 votes vote down vote up
@Test
public void testBothTablesAddStreamAfterCreation() throws InterruptedException {
    //create table one in one region
    final CreateTableRequest iadCreateTableRequest = createTableRequest(INVENTORY_TABLE_IAD);
    dynamoDbIad.createTable(iadCreateTableRequest
            .withStreamSpecification(new StreamSpecification()
                    .withStreamViewType(StreamViewType.NEW_AND_OLD_IMAGES)
                    .withStreamEnabled(true)));
    //create table two in another region
    final CreateTableRequest pdxCreateTableRequest = createTableRequest(INVENTORY_TABLE_PDX);
    dynamoDbPdx.createTable(pdxCreateTableRequest);

    //create and start the command line client and worker
    final List<String> commandLineArgs = Lists.newArrayList(
            "--sourceEndpoint",
            DYNAMODB_LOCAL_ENDPOINT,
            // override the signing region as DynamoDB Local uses it to create different table namespaces
            "--sourceSigningRegion",
            Regions.US_EAST_1.getName(),
            "--sourceTable",
            INVENTORY_TABLE_IAD,
            "--destinationEndpoint",
            DYNAMODB_LOCAL_ENDPOINT,
            // override the signing region as DynamoDB Local uses it to create different table namespaces
            "--destinationSigningRegion",
            Regions.US_WEST_2.getName(),
            "--destinationTable",
            INVENTORY_TABLE_PDX,
            "--taskName",
            CRR_INTEGRATION_TEST,
            // 100ms - override to reduce the time to sleep
            "--parentShardPollIntervalMillis",
            "100",
            "--dontPublishCloudwatch");
    final String[] args = commandLineArgs.toArray(new String[commandLineArgs.size()]);
    final Worker worker = CommandLineInterface.mainUnsafe(args).get();
    final Thread workerThread = new Thread(worker, "KCLWorker");
    workerThread.start();

    //perform the updates on the source table
    final Item asin1sea = new Item().withString(SKU_CODE, ASIN_1).withString(STORE, SEA);
    iadTable.putItem(asin1sea);
    final Item asin1seaRead = iadTable.getItem(SKU_CODE, ASIN_1, STORE, SEA);
    assertEquals(asin1sea, asin1seaRead);

    //verify the updates on the destination table
    //wait for the worker to start and the update to propagate
    Thread.sleep(10000);
    final List<Item> pdxItems = new ArrayList<>();
    for(Item item : pdxTable.scan()) {
        pdxItems.add(item);
    }
    assertEquals(1, pdxItems.size());
    final Item copied = Iterables.getOnlyElement(pdxItems);
    assertEquals(asin1sea, copied);

    //close the worker
    worker.shutdown(); //this leaks threads, I wonder
}