Examples with Projection com.amazonaws.services.dynamodbv2.model.Projection used on opensource projects

Example 6 with Projection

use of com.amazonaws.services.dynamodbv2.model.Projection in project aws-doc-sdk-examples by awsdocs.

the class LowLevelLocalSecondaryIndexExample method createTable.

public static void createTable() {
    CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName).withProvisionedThroughput(new ProvisionedThroughput().withReadCapacityUnits((long) 1).withWriteCapacityUnits((long) 1));
    // Attribute definitions for table partition key and sort key
    ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
    attributeDefinitions.add(new AttributeDefinition().withAttributeName("CustomerId").withAttributeType("S"));
    attributeDefinitions.add(new AttributeDefinition().withAttributeName("OrderId").withAttributeType("N"));
    // Attribute definition for index sort key attributes
    attributeDefinitions.add(new AttributeDefinition().withAttributeName("OrderCreationDate").withAttributeType("N"));
    attributeDefinitions.add(new AttributeDefinition().withAttributeName("IsOpen").withAttributeType("N"));
    createTableRequest.setAttributeDefinitions(attributeDefinitions);
    // Key schema for table
    ArrayList<KeySchemaElement> tableKeySchema = new ArrayList<KeySchemaElement>();
    // Partition
    tableKeySchema.add(new KeySchemaElement().withAttributeName("CustomerId").withKeyType(KeyType.HASH));
    // key
    // Sort
    tableKeySchema.add(new KeySchemaElement().withAttributeName("OrderId").withKeyType(KeyType.RANGE));
    // key
    createTableRequest.setKeySchema(tableKeySchema);
    ArrayList<LocalSecondaryIndex> localSecondaryIndexes = new ArrayList<LocalSecondaryIndex>();
    // OrderCreationDateIndex
    LocalSecondaryIndex orderCreationDateIndex = new LocalSecondaryIndex().withIndexName("OrderCreationDateIndex");
    // Key schema for OrderCreationDateIndex
    ArrayList<KeySchemaElement> indexKeySchema = new ArrayList<KeySchemaElement>();
    // Partition
    indexKeySchema.add(new KeySchemaElement().withAttributeName("CustomerId").withKeyType(KeyType.HASH));
    // key
    // Sort
    indexKeySchema.add(new KeySchemaElement().withAttributeName("OrderCreationDate").withKeyType(KeyType.RANGE));
    // key
    orderCreationDateIndex.setKeySchema(indexKeySchema);
    // Projection (with list of projected attributes) for
    // OrderCreationDateIndex
    Projection projection = new Projection().withProjectionType(ProjectionType.INCLUDE);
    ArrayList<String> nonKeyAttributes = new ArrayList<String>();
    nonKeyAttributes.add("ProductCategory");
    nonKeyAttributes.add("ProductName");
    projection.setNonKeyAttributes(nonKeyAttributes);
    orderCreationDateIndex.setProjection(projection);
    localSecondaryIndexes.add(orderCreationDateIndex);
    // IsOpenIndex
    LocalSecondaryIndex isOpenIndex = new LocalSecondaryIndex().withIndexName("IsOpenIndex");
    // Key schema for IsOpenIndex
    indexKeySchema = new ArrayList<KeySchemaElement>();
    // Partition
    indexKeySchema.add(new KeySchemaElement().withAttributeName("CustomerId").withKeyType(KeyType.HASH));
    // key
    // Sort
    indexKeySchema.add(new KeySchemaElement().withAttributeName("IsOpen").withKeyType(KeyType.RANGE));
    // key
    // Projection (all attributes) for IsOpenIndex
    projection = new Projection().withProjectionType(ProjectionType.ALL);
    isOpenIndex.setKeySchema(indexKeySchema);
    isOpenIndex.setProjection(projection);
    localSecondaryIndexes.add(isOpenIndex);
    // Add index definitions to CreateTable request
    createTableRequest.setLocalSecondaryIndexes(localSecondaryIndexes);
    System.out.println("Creating table " + tableName + "...");
    System.out.println(client.createTable(createTableRequest));
    waitForTableToBecomeAvailable(tableName);
}

Example 7 with Projection

use of com.amazonaws.services.dynamodbv2.model.Projection in project aws-doc-sdk-examples by awsdocs.

the class DocumentAPIGlobalSecondaryIndexExample method createTable.

public static void createTable() {
    // Attribute definitions
    ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
    attributeDefinitions.add(new AttributeDefinition().withAttributeName("IssueId").withAttributeType("S"));
    attributeDefinitions.add(new AttributeDefinition().withAttributeName("Title").withAttributeType("S"));
    attributeDefinitions.add(new AttributeDefinition().withAttributeName("CreateDate").withAttributeType("S"));
    attributeDefinitions.add(new AttributeDefinition().withAttributeName("DueDate").withAttributeType("S"));
    // Key schema for table
    ArrayList<KeySchemaElement> tableKeySchema = new ArrayList<KeySchemaElement>();
    // Partition
    tableKeySchema.add(new KeySchemaElement().withAttributeName("IssueId").withKeyType(KeyType.HASH));
    // key
    // Sort
    tableKeySchema.add(new KeySchemaElement().withAttributeName("Title").withKeyType(KeyType.RANGE));
    // key
    // Initial provisioned throughput settings for the indexes
    ProvisionedThroughput ptIndex = new ProvisionedThroughput().withReadCapacityUnits(1L).withWriteCapacityUnits(1L);
    // CreateDateIndex
    GlobalSecondaryIndex createDateIndex = new GlobalSecondaryIndex().withIndexName("CreateDateIndex").withProvisionedThroughput(ptIndex).withKeySchema(// Partition
    new KeySchemaElement().withAttributeName("CreateDate").withKeyType(KeyType.HASH), // key
    new KeySchemaElement().withAttributeName("IssueId").withKeyType(// Sort
    KeyType.RANGE)).withProjection(new Projection().withProjectionType("INCLUDE").withNonKeyAttributes("Description", "Status"));
    // TitleIndex
    GlobalSecondaryIndex titleIndex = new GlobalSecondaryIndex().withIndexName("TitleIndex").withProvisionedThroughput(ptIndex).withKeySchema(// Partition
    new KeySchemaElement().withAttributeName("Title").withKeyType(KeyType.HASH), // key
    new KeySchemaElement().withAttributeName("IssueId").withKeyType(// Sort
    KeyType.RANGE)).withProjection(new Projection().withProjectionType("KEYS_ONLY"));
    // DueDateIndex
    GlobalSecondaryIndex dueDateIndex = new GlobalSecondaryIndex().withIndexName("DueDateIndex").withProvisionedThroughput(ptIndex).withKeySchema(// Partition
    new KeySchemaElement().withAttributeName("DueDate").withKeyType(KeyType.HASH)).withProjection(new Projection().withProjectionType("ALL"));
    CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName).withProvisionedThroughput(new ProvisionedThroughput().withReadCapacityUnits((long) 1).withWriteCapacityUnits((long) 1)).withAttributeDefinitions(attributeDefinitions).withKeySchema(tableKeySchema).withGlobalSecondaryIndexes(createDateIndex, titleIndex, dueDateIndex);
    System.out.println("Creating table " + tableName + "...");
    dynamoDB.createTable(createTableRequest);
    // Wait for table to become active
    System.out.println("Waiting for " + tableName + " to become ACTIVE...");
    try {
        Table table = dynamoDB.getTable(tableName);
        table.waitForActive();
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
}