Example usage for com.amazonaws.services.dynamodbv2.model StreamSpecification setStreamEnabled

Introduction

In this page you can find the example usage for com.amazonaws.services.dynamodbv2.model StreamSpecification setStreamEnabled.

Prototype

public void setStreamEnabled(Boolean streamEnabled) 

Source Link

Document

Indicates whether DynamoDB Streams is enabled (true) or disabled (false) on the table.

Usage

From source file:kinesisadaptersample.StreamsAdapterDemoHelper.java

License:Open Source License

/**
 * @return StreamArn/* w  ww  .  j  a v  a2s .  c  o m*/
 */
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();
    }
}

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From source file:tr.com.serkanozal.samba.cache.impl.SambaGlobalCache.java

License:Open Source License

private Table ensureTableAvailable() {
    boolean tableExist = false;
    try {/*  ww w  .jav a 2 s  .  c  om*/
        DYNAMO_DB.describeTable(DYNAMO_DB_TABLE_NAME);
        tableExist = true;
    } catch (ResourceNotFoundException e) {
    }

    if (!tableExist) {
        ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
        attributeDefinitions.add(new AttributeDefinition().withAttributeName("id").withAttributeType("S"));

        ArrayList<KeySchemaElement> keySchema = new ArrayList<KeySchemaElement>();
        keySchema.add(new KeySchemaElement().withAttributeName("id").withKeyType(KeyType.HASH));

        StreamSpecification streamSpecification = new StreamSpecification();
        streamSpecification.setStreamEnabled(true);
        streamSpecification.setStreamViewType(StreamViewType.NEW_AND_OLD_IMAGES);

        CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(DYNAMO_DB_TABLE_NAME)
                .withKeySchema(keySchema).withAttributeDefinitions(attributeDefinitions)
                .withStreamSpecification(streamSpecification)
                .withProvisionedThroughput(new ProvisionedThroughput()
                        .withReadCapacityUnits((long) DYNAMO_DB_TABLE_READ_CAPACITY_PER_SECOND)
                        .withWriteCapacityUnits((long) DYNAMO_DB_TABLE_WRITE_CAPACITY_PER_SECOND));

        try {
            LOGGER.info(String.format("Creating DynamoDB table (%s) creation, because it is not exist",
                    DYNAMO_DB_TABLE_NAME));

            DYNAMO_DB.createTable(createTableRequest);
        } catch (ResourceInUseException e) {
            LOGGER.info(String.format("Ignoring DynamoDB table (%s) creation, because it is already exist",
                    DYNAMO_DB_TABLE_NAME));
        }
    } else {
        LOGGER.info(String.format("Ignoring DynamoDB table (%s) creation, because it is already exist",
                DYNAMO_DB_TABLE_NAME));
    }

    while (true) {
        DescribeTableResult describeTableResult = DYNAMO_DB.describeTable(DYNAMO_DB_TABLE_NAME);
        TableDescription tableDescription = describeTableResult.getTable();
        if ("ACTIVE".equals(tableDescription.getTableStatus())) {
            break;
        }
        LOGGER.info(String.format("DynamoDB table (%s) is not active yet, waiting until it is active ...",
                DYNAMO_DB_TABLE_NAME));
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
        }
    }

    SCHEDULED_EXECUTOR_SERVICE.scheduleAtFixedRate(new StreamListener(), 0, 1000, TimeUnit.MILLISECONDS);

    return new Table(DYNAMO_DB, DYNAMO_DB_TABLE_NAME);
}

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