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

Introduction

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

Prototype

StreamSpecification

Source Link

Usage

From source file:kinesisadaptersample.StreamsAdapterDemoHelper.java

License:Open Source License

/**
 * @return StreamArn//from  w w w.  java  2 s . co  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:org.wildfly.camel.test.common.aws.DynamoDBUtils.java

License:Apache License

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();
}

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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 {//from  w ww.j  ava  2  s .c o m
        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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