List of usage examples for com.amazonaws.services.dynamodbv2.model CreateTableRequest setKeySchema
public void setKeySchema(java.util.Collection<KeySchemaElement> keySchema)
Specifies the attributes that make up the primary key for a table or an index.
From source file:DynamoDBUtils.java
License:Open Source License
/** * Creates the Amazon DynamoDB table if it does not already exist and have the correct schema. Then it * waits for the table to become active. * * @param client//from www . j a v a 2 s. com * The {@link AmazonDynamoDBClient} with Amazon DynamoDB read and write privileges * @param tableName * The Amazon DynamoDB table to create * @param key * The Amazon DynamoDB table hashkey * @param readCapacityUnits * Number of read capacity units for the Amazon DynamoDB table * @param writeCapacityUnits * Number of write capacity units for the Amazon DynamoDB table * @throws IllegalStateException * Table already exists and schema does not match * @throws IllegalStateException * Table is already getting created */ public static void createTable(AmazonDynamoDBClient client, String tableName, String key, long readCapacityUnits, long writeCapacityUnits) { if (tableExists(client, tableName)) { if (tableHasCorrectSchema(client, tableName, key)) { waitForActive(client, tableName); return; } else { throw new IllegalStateException("Table already exists and schema does not match"); } } CreateTableRequest createTableRequest = new CreateTableRequest(); createTableRequest.setTableName(tableName); createTableRequest.setKeySchema(Arrays.asList(new KeySchemaElement(key, KeyType.HASH))); createTableRequest .setProvisionedThroughput(new ProvisionedThroughput(readCapacityUnits, writeCapacityUnits)); createTableRequest .setAttributeDefinitions(Arrays.asList(new AttributeDefinition(key, ScalarAttributeType.S))); try { client.createTable(createTableRequest); } catch (ResourceInUseException e) { throw new IllegalStateException("The table may already be getting created.", e); } LOG.info("Table " + tableName + " created"); waitForActive(client, tableName); }
From source file:awslabs.lab22.SolutionCode.java
License:Open Source License
@Override public void buildTable(AmazonDynamoDBClient ddbClient, String tableName) { System.out.println("Creating table."); CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName); createTableRequest.setAttributeDefinitions(new ArrayList<AttributeDefinition>()); // Define attributes createTableRequest.getAttributeDefinitions() .add(new AttributeDefinition().withAttributeName("Company").withAttributeType("S")); createTableRequest.getAttributeDefinitions() .add(new AttributeDefinition().withAttributeName("Email").withAttributeType("S")); // Define key schema createTableRequest.setKeySchema(new ArrayList<KeySchemaElement>()); createTableRequest.getKeySchema()//from w w w. ja v a2 s . com .add(new KeySchemaElement().withAttributeName("Company").withKeyType("HASH")); createTableRequest.getKeySchema() .add(new KeySchemaElement().withAttributeName("Email").withKeyType("RANGE")); // Define provisioned throughput createTableRequest.setProvisionedThroughput( new ProvisionedThroughput().withReadCapacityUnits(10L).withWriteCapacityUnits(5L)); // Submit create request ddbClient.createTable(createTableRequest); // Pause until the table is active waitForStatus(ddbClient, tableName, "ACTIVE"); System.out.println("Table created and active."); }
From source file:awslabs.lab51.SolutionCode.java
License:Open Source License
@Override public void buildTable(AmazonDynamoDBClient ddbClient, String tableName) { CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName); createTableRequest.setAttributeDefinitions(new ArrayList<AttributeDefinition>()); // Define attributes createTableRequest.getAttributeDefinitions() .add(new AttributeDefinition().withAttributeName("Key").withAttributeType("S")); createTableRequest.getAttributeDefinitions() .add(new AttributeDefinition().withAttributeName("Bucket").withAttributeType("S")); // Define key schema createTableRequest.setKeySchema(new ArrayList<KeySchemaElement>()); createTableRequest.getKeySchema().add(new KeySchemaElement().withAttributeName("Key").withKeyType("HASH")); createTableRequest.getKeySchema()/* w w w. j a va 2 s .co m*/ .add(new KeySchemaElement().withAttributeName("Bucket").withKeyType("RANGE")); // Define provisioned throughput createTableRequest.setProvisionedThroughput( new ProvisionedThroughput().withReadCapacityUnits(5L).withWriteCapacityUnits(5L)); // Submit create request ddbClient.createTable(createTableRequest); // Pause until the table is active waitForStatus(ddbClient, tableName, "ACTIVE"); labController.logMessageToPage("Table created and active."); }
From source file:com.amazon.services.awsrum.utils.DynamoDBUtils.java
License:Open Source License
public static void createTable(AmazonDynamoDBClient client, String tableName, String key, String rangeKey, long readCapacityUnits, long writeCapacityUnits) { if (tableExists(client, tableName)) { if (tableHasCorrectSchema(client, tableName, key, rangeKey)) { waitForActive(client, tableName); return; } else {// w w w .j av a 2 s . c o m LOG.error("Table already exists and schema does not match"); } } CreateTableRequest createTableRequest = new CreateTableRequest(); createTableRequest.setTableName(tableName); createTableRequest.setKeySchema(Arrays.asList(new KeySchemaElement(key, KeyType.HASH), new KeySchemaElement(rangeKey, KeyType.RANGE))); createTableRequest .setProvisionedThroughput(new ProvisionedThroughput(readCapacityUnits, writeCapacityUnits)); createTableRequest .setAttributeDefinitions(Arrays.asList(new AttributeDefinition(key, ScalarAttributeType.S), new AttributeDefinition(rangeKey, ScalarAttributeType.N))); try { client.createTable(createTableRequest); } catch (ResourceInUseException e) { throw new IllegalStateException("The table may already be getting created.", e); } LOG.info("Table " + tableName + " created"); waitForActive(client, tableName); }
From source file:Database.TableFunctions.java
public static void createTable() { ProvisionedThroughput provisionedThroughput = new ProvisionedThroughput().withReadCapacityUnits(5L) .withWriteCapacityUnits(5L); CreateTableRequest request = new CreateTableRequest().withTableName(tablename) .withProvisionedThroughput(provisionedThroughput); ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();// --------creates empty list of attributes ------ attributeDefinitions.add(new AttributeDefinition().withAttributeName(attributeKey).withAttributeType("S")); request.setAttributeDefinitions(attributeDefinitions); ArrayList<KeySchemaElement> tableKeySchema = new ArrayList<KeySchemaElement>();// --------creates empty list of keys ------ tableKeySchema.add(new KeySchemaElement().withAttributeName(attributeKey).withKeyType(KeyType.HASH)); request.setKeySchema(tableKeySchema); dynamoDB.createTable(request);/*from w w w. ja v a2 s. c o m*/ waitForTableToBecomeAvailable(tablename); getTableInformation(); }
From source file:org.apache.gora.dynamodb.store.DynamoDBUtils.java
License:Apache License
/** * Builds the necessary requests to create tables * //from ww w. j a v a2 s . c o m * @param tableName * @param keySchema * @param proThrou * @param attrs * @return */ public static CreateTableRequest buildCreateTableRequest(String tableName, ArrayList<KeySchemaElement> keySchema, ProvisionedThroughput proThrou, Map<String, String> attrs) { CreateTableRequest createTableRequest = new CreateTableRequest(); createTableRequest.setTableName(tableName); createTableRequest.setKeySchema(keySchema); ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>(); for (KeySchemaElement kEle : keySchema) { AttributeDefinition attrDef = new AttributeDefinition(); attrDef.setAttributeName(kEle.getAttributeName()); attrDef.setAttributeType(attrs.get(kEle.getAttributeName())); attributeDefinitions.add(attrDef); } createTableRequest.setAttributeDefinitions(attributeDefinitions); createTableRequest.setProvisionedThroughput(proThrou); return createTableRequest; }
From source file:org.apache.metamodel.dynamodb.DynamoDbTableCreationBuilder.java
License:Apache License
@Override public Table execute() throws MetaModelException { final MutableTable table = getTable(); final String tableName = table.getName(); final Collection<AttributeDefinition> attributes = new ArrayList<>(); final Collection<KeySchemaElement> keySchema = new ArrayList<>(); final Collection<GlobalSecondaryIndex> globalSecondaryIndices = new ArrayList<>(); final long readCapacity = Long .parseLong(System.getProperty(DynamoDbDataContext.SYSTEM_PROPERTY_THROUGHPUT_READ_CAPACITY, "5")); final long writeCapacity = Long .parseLong(System.getProperty(DynamoDbDataContext.SYSTEM_PROPERTY_THROUGHPUT_WRITE_CAPACITY, "5")); final ProvisionedThroughput provisionedThroughput = new ProvisionedThroughput(readCapacity, writeCapacity); for (Column column : table.getColumns()) { if (column.isPrimaryKey()) { final KeyType keyType = getKeyType(column.getRemarks()); keySchema.add(new KeySchemaElement(column.getName(), keyType)); attributes.add(// ww w . j a v a 2 s. c om new AttributeDefinition(column.getName(), DynamoDbUtils.toAttributeType(column.getType()))); } } final CreateTableRequest createTableRequest = new CreateTableRequest(); createTableRequest.setTableName(tableName); createTableRequest.setAttributeDefinitions(attributes); createTableRequest.setGlobalSecondaryIndexes(globalSecondaryIndices); createTableRequest.setKeySchema(keySchema); createTableRequest.setProvisionedThroughput(provisionedThroughput); final AmazonDynamoDB client = getUpdateCallback().getDataContext().getDynamoDb(); final CreateTableResult createTableResult = client.createTable(createTableRequest); // await the table creation to be "done". { String tableStatus = createTableResult.getTableDescription().getTableStatus(); while (TableStatus.CREATING.name().equals(tableStatus)) { logger.debug("Waiting for table status to be ACTIVE. Currently: {}", tableStatus); try { Thread.sleep(300); } catch (InterruptedException e) { getUpdateCallback().setInterrupted(true); } tableStatus = client.describeTable(tableName).getTable().getTableStatus(); } } return table; }