use of com.amazonaws.services.dynamodbv2.model.LocalSecondaryIndex in project aws-doc-sdk-examples by awsdocs.
the class DocumentAPILocalSecondaryIndexExample 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 and sort keys
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 primary 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(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();
}
}
use of com.amazonaws.services.dynamodbv2.model.LocalSecondaryIndex in project aws-doc-sdk-examples by awsdocs.
the class CreateTablesLoadData method createTable.
private static void createTable(String tableName, long readCapacityUnits, long writeCapacityUnits, String partitionKeyName, String partitionKeyType, String sortKeyName, String sortKeyType) {
try {
ArrayList<KeySchemaElement> keySchema = new ArrayList<KeySchemaElement>();
// Partition
keySchema.add(new KeySchemaElement().withAttributeName(partitionKeyName).withKeyType(KeyType.HASH));
// key
ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
attributeDefinitions.add(new AttributeDefinition().withAttributeName(partitionKeyName).withAttributeType(partitionKeyType));
if (sortKeyName != null) {
// Sort
keySchema.add(new KeySchemaElement().withAttributeName(sortKeyName).withKeyType(KeyType.RANGE));
// key
attributeDefinitions.add(new AttributeDefinition().withAttributeName(sortKeyName).withAttributeType(sortKeyType));
}
CreateTableRequest request = new CreateTableRequest().withTableName(tableName).withKeySchema(keySchema).withProvisionedThroughput(new ProvisionedThroughput().withReadCapacityUnits(readCapacityUnits).withWriteCapacityUnits(writeCapacityUnits));
// If this is the Reply table, define a local secondary index
if (replyTableName.equals(tableName)) {
attributeDefinitions.add(new AttributeDefinition().withAttributeName("PostedBy").withAttributeType("S"));
ArrayList<LocalSecondaryIndex> localSecondaryIndexes = new ArrayList<LocalSecondaryIndex>();
localSecondaryIndexes.add(new LocalSecondaryIndex().withIndexName("PostedBy-Index").withKeySchema(// Partition
new KeySchemaElement().withAttributeName(partitionKeyName).withKeyType(KeyType.HASH), // key
new KeySchemaElement().withAttributeName("PostedBy").withKeyType(// Sort
KeyType.RANGE)).withProjection(new Projection().withProjectionType(ProjectionType.KEYS_ONLY)));
request.setLocalSecondaryIndexes(localSecondaryIndexes);
}
request.setAttributeDefinitions(attributeDefinitions);
System.out.println("Issuing CreateTable request for " + tableName);
Table table = dynamoDB.createTable(request);
System.out.println("Waiting for " + tableName + " to be created...this may take a while...");
table.waitForActive();
} catch (Exception e) {
System.err.println("CreateTable request failed for " + tableName);
System.err.println(e.getMessage());
}
}
use of com.amazonaws.services.dynamodbv2.model.LocalSecondaryIndex 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);
}
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