Java ScalarAttributeType类代码示例

import com.amazonaws.services.dynamodbv2.model.ScalarAttributeType; //导入依赖的package包/类
private void createRecipientTable() {
    CreateTableRequest request
            = new CreateTableRequest()
                    .withTableName(TABLE_NAME)
                    .withAttributeDefinitions(
                            new AttributeDefinition("_id", ScalarAttributeType.S)
                    )
                    .withKeySchema(
                            new KeySchemaElement("_id", KeyType.HASH)
                    )
                    .withProvisionedThroughput(new ProvisionedThroughput(10L, 10L));

    ddb.createTable(request);
    try {
        TableUtils.waitUntilActive(ddb, TABLE_NAME);
    } catch (InterruptedException  e) {
        throw new RuntimeException(e);
    }
}
 

import com.amazonaws.services.dynamodbv2.model.ScalarAttributeType; //导入依赖的package包/类
@Override
public void closeStorage()
{
    try
    {
        dynamoDBConnection.getDynamoClient().describeTable(getTableName());
        dynamoDBConnection.getDynamoClient().deleteTable(getTableName());
    }
    catch(ResourceNotFoundException e)
    {

    }

    dynamoDBConnection.getDynamoDB().createTable(getTableName(),
            Collections.singletonList(
                    new KeySchemaElement("_id", KeyType.HASH)),
            Collections.singletonList(
                   new AttributeDefinition("_id", ScalarAttributeType.S)),
            new ProvisionedThroughput(1L, 1L));
}
 

import com.amazonaws.services.dynamodbv2.model.ScalarAttributeType; //导入依赖的package包/类
protected Table createHashAndSortTable(String pk, String sort) throws InterruptedException {
  ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<>();
  ScalarAttributeType type = ScalarAttributeType.S;
  attributeDefinitions.add(new AttributeDefinition()
    .withAttributeName(pk).withAttributeType(type));
  attributeDefinitions
    .add(new AttributeDefinition().withAttributeName(sort).withAttributeType(type));
  ArrayList<KeySchemaElement> keySchema = new ArrayList<>();
  keySchema.add(new KeySchemaElement().withAttributeName(pk).withKeyType(KeyType.HASH));
  keySchema.add(new KeySchemaElement().withAttributeName(sort).withKeyType(KeyType.RANGE));

  CreateTableRequest request = new CreateTableRequest()
    .withKeySchema(keySchema)
    .withAttributeDefinitions(attributeDefinitions);
  return createTable(request);
}
 

import com.amazonaws.services.dynamodbv2.model.ScalarAttributeType; //导入依赖的package包/类
public void deploy() {

        final AttributeDefinition idAttr = new AttributeDefinition().withAttributeName("id")
                .withAttributeType(ScalarAttributeType.S);
        final ProvisionedThroughput throughput = new ProvisionedThroughput().withReadCapacityUnits(5L)
                .withWriteCapacityUnits(5L);

        final KeySchemaElement idKey = new KeySchemaElement().withAttributeName("id").withKeyType(KeyType.HASH);

        final CreateTableRequest createTableRequest = new CreateTableRequest().withTableName("TranslateSlack")
                .withAttributeDefinitions(idAttr)
                .withKeySchema(idKey)
                .withProvisionedThroughput(throughput);
        ;
        ;

        ddb.createTable(createTableRequest);

    }
 

import com.amazonaws.services.dynamodbv2.model.ScalarAttributeType; //导入依赖的package包/类
@Override
public CreateTableRequest getTableSchema() {
    return super.getTableSchema()
        .withAttributeDefinitions(
            new AttributeDefinition()
                .withAttributeName(Constants.JANUSGRAPH_HASH_KEY)
                .withAttributeType(ScalarAttributeType.S),
            new AttributeDefinition()
                .withAttributeName(Constants.JANUSGRAPH_RANGE_KEY)
                .withAttributeType(ScalarAttributeType.S))
        .withKeySchema(
            new KeySchemaElement()
                .withAttributeName(Constants.JANUSGRAPH_HASH_KEY)
                .withKeyType(KeyType.HASH),
            new KeySchemaElement()
                .withAttributeName(Constants.JANUSGRAPH_RANGE_KEY)
                .withKeyType(KeyType.RANGE));
}
 

import com.amazonaws.services.dynamodbv2.model.ScalarAttributeType; //导入依赖的package包/类
private CreateTableResult createTable() throws Exception {
  List<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
  AttributeDefinition attributeDefinition = new AttributeDefinition()
    .withAttributeName(TEST_ATTRIBUTE)
    .withAttributeType(ScalarAttributeType.S);
  attributeDefinitions.add(attributeDefinition);

  String tableName = TEST_TABLE_NAME;

  List<KeySchemaElement> keySchema = new ArrayList<KeySchemaElement>();
  KeySchemaElement keySchemaElement = new KeySchemaElement()
    .withAttributeName(TEST_ATTRIBUTE)
    .withKeyType(KeyType.HASH);

  ProvisionedThroughput provisionedThroughput = new ProvisionedThroughput()
    .withReadCapacityUnits(UNITS)
    .withWriteCapacityUnits(UNITS);

  CreateTableResult result = dynamoDb.createTable(attributeDefinitions, tableName, keySchema, provisionedThroughput);

  return result;
}
 

import com.amazonaws.services.dynamodbv2.model.ScalarAttributeType; //导入依赖的package包/类
/**
 * Creates a table in AWS DynamoDB.
 * @param appid name of the {@link com.erudika.para.core.App}
 * @param readCapacity read capacity
 * @param writeCapacity write capacity
 * @return true if created
 */
public static boolean createTable(String appid, long readCapacity, long writeCapacity) {
	if (StringUtils.isBlank(appid)) {
		return false;
	} else if (StringUtils.containsWhitespace(appid)) {
		logger.warn("DynamoDB table name contains whitespace. The name '{}' is invalid.", appid);
		return false;
	} else if (existsTable(appid)) {
		logger.warn("DynamoDB table '{}' already exists.", appid);
		return false;
	}
	try {
		String table = getTableNameForAppid(appid);
		getClient().createTable(new CreateTableRequest().withTableName(table).
				withKeySchema(new KeySchemaElement(Config._KEY, KeyType.HASH)).
				withAttributeDefinitions(new AttributeDefinition(Config._KEY, ScalarAttributeType.S)).
				withProvisionedThroughput(new ProvisionedThroughput(readCapacity, writeCapacity)));
		logger.info("Created DynamoDB table '{}'.", table);
	} catch (Exception e) {
		logger.error(null, e);
		return false;
	}
	return true;
}
 

import com.amazonaws.services.dynamodbv2.model.ScalarAttributeType; //导入依赖的package包/类
@Override
public void createStoreIfAbsent(String storeName, boolean bBinaryValues) {
    String tableName = storeToTableName(storeName);
    if (!Tables.doesTableExist(m_ddbClient, tableName)) {
        // Create a table with a primary hash key named '_key', which holds a string
        m_logger.info("Creating table: {}", tableName);
        CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName)
            .withKeySchema(new KeySchemaElement()
                .withAttributeName(ROW_KEY_ATTR_NAME)
                .withKeyType(KeyType.HASH))
            .withAttributeDefinitions(new AttributeDefinition()
                .withAttributeName(ROW_KEY_ATTR_NAME)
                .withAttributeType(ScalarAttributeType.S))
            .withProvisionedThroughput(new ProvisionedThroughput()
                .withReadCapacityUnits(READ_CAPACITY_UNITS)
                .withWriteCapacityUnits(WRITE_CAPACITY_UNITS));
        m_ddbClient.createTable(createTableRequest).getTableDescription();
        try {
            Tables.awaitTableToBecomeActive(m_ddbClient, tableName);
        } catch (InterruptedException e) {
            throw new RuntimeException(e);  
        }
    }
}
 

import com.amazonaws.services.dynamodbv2.model.ScalarAttributeType; //导入依赖的package包/类
public static void main(String[] args) throws Exception {

        AmazonDynamoDBClient client = new AmazonDynamoDBClient();
        
        client.setEndpoint("http://localhost:8000");
        DynamoDB dynamoDB = new DynamoDB(client);
        
        String tableName = "Movies";
        Table table = dynamoDB.createTable(tableName,
                Arrays.asList(
                        new KeySchemaElement("year", KeyType.HASH),
                        new KeySchemaElement("title", KeyType.RANGE)), 
                Arrays.asList(
                        new AttributeDefinition("year", ScalarAttributeType.N),
                        new AttributeDefinition("title", ScalarAttributeType.S)), 
                new ProvisionedThroughput(10L, 10L));

        try {
            TableUtils.waitUntilActive(client, tableName);
            System.out.println("Table status: " + table.getDescription().getTableStatus());
        } catch (AmazonClientException e) {
            e.printStackTrace();
            System.exit(1);
        }
    }
 

import com.amazonaws.services.dynamodbv2.model.ScalarAttributeType; //导入依赖的package包/类
private static CreateTableResult createTable(AmazonDynamoDB ddb, String tableName, String hashKeyName) {
    List<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
    attributeDefinitions.add(new AttributeDefinition(hashKeyName, ScalarAttributeType.S));

    List<KeySchemaElement> ks = new ArrayList<KeySchemaElement>();
    ks.add(new KeySchemaElement(hashKeyName, KeyType.HASH));

    ProvisionedThroughput provisionedthroughput = new ProvisionedThroughput(1000L, 1000L);

    CreateTableRequest request =
        new CreateTableRequest()
            .withTableName(tableName)
            .withAttributeDefinitions(attributeDefinitions)
            .withKeySchema(ks)
            .withProvisionedThroughput(provisionedthroughput);

    return ddb.createTable(request);
}
 

import com.amazonaws.services.dynamodbv2.model.ScalarAttributeType; //导入依赖的package包/类
private void initializeHashAndRangeTable(String name, String hashName, String rangeName) {
    String tableName = quartzPrefix + name;

    if (!tableExists(tableName)) {
        log.info(String.format("Creating table '%s' with hash and range index.", tableName));
        CreateTableRequest request = new CreateTableRequest()
                .withTableName(tableName)
                .withKeySchema(
                        new KeySchemaElement().withKeyType(KeyType.HASH).withAttributeName(hashName),
                        new KeySchemaElement().withKeyType(KeyType.RANGE).withAttributeName(rangeName))
                .withAttributeDefinitions(
                        new AttributeDefinition(hashName, ScalarAttributeType.S),
                        new AttributeDefinition(rangeName, ScalarAttributeType.S))
                .withProvisionedThroughput(new ProvisionedThroughput(1L, 1L));

        client.createTable(request);

        waitForTable(tableName);
    } else {
        log.info(String.format("Table '%s' already exists.", tableName));
    }
}
 

import com.amazonaws.services.dynamodbv2.model.ScalarAttributeType; //导入依赖的package包/类
private void initializeHashTable(String name, String hashName) {
    String tableName = quartzPrefix + name;

    if (!tableExists(tableName)) {
        log.info(String.format("Creating table '%s' with hash index.", tableName));
        CreateTableRequest request = new CreateTableRequest()
                .withTableName(tableName)
                .withKeySchema(
                        new KeySchemaElement().withKeyType(KeyType.HASH).withAttributeName(hashName))
                .withAttributeDefinitions(
                        new AttributeDefinition(hashName, ScalarAttributeType.S))
                .withProvisionedThroughput(new ProvisionedThroughput(1L, 1L));

        client.createTable(request);

        waitForTable(tableName);
    } else {
        log.info(String.format("Table '%s' already exists.", tableName));
    }
}
 

import com.amazonaws.services.dynamodbv2.model.ScalarAttributeType; //导入依赖的package包/类
public static void createSessionTable(AmazonDynamoDBClient dynamo,
                                      String tableName,
                                      long readCapacityUnits,
                                      long writeCapacityUnits) {
    CreateTableRequest request = new CreateTableRequest().withTableName(tableName);

    request.withKeySchema(new KeySchemaElement().withAttributeName(DynamoSessionItem.SESSION_ID_ATTRIBUTE_NAME)
            .withKeyType(KeyType.HASH));

    request.withAttributeDefinitions(
            new AttributeDefinition().withAttributeName(DynamoSessionItem.SESSION_ID_ATTRIBUTE_NAME)
                    .withAttributeType(ScalarAttributeType.S));

    request.setProvisionedThroughput(new ProvisionedThroughput().withReadCapacityUnits(readCapacityUnits)
            .withWriteCapacityUnits(writeCapacityUnits));

    dynamo.createTable(request);
}
 

import com.amazonaws.services.dynamodbv2.model.ScalarAttributeType; //导入依赖的package包/类
private CreateTableResult createTable() {
    final List<AttributeDefinition> attributeDefinitions = new ArrayList<>();
    attributeDefinitions.add(new AttributeDefinition(RESOURCE_NAME_ATT, ScalarAttributeType.S));
    attributeDefinitions.add(new AttributeDefinition(RDF_TRIPLE_ATT, ScalarAttributeType.S));
    attributeDefinitions.add(new AttributeDefinition(RDF_PREDICATE_ATT, ScalarAttributeType.S));
    attributeDefinitions.add(new AttributeDefinition(RDF_OBJECT_ATT, ScalarAttributeType.S));

    final List<KeySchemaElement> keySchema = new ArrayList<>();
    keySchema.add(new KeySchemaElement(RESOURCE_NAME_ATT, KeyType.HASH));
    keySchema.add(new KeySchemaElement(RDF_TRIPLE_ATT, KeyType.RANGE));

    final ProvisionedThroughput provisionedthroughput =
        new ProvisionedThroughput(10L, 10L);

    final LocalSecondaryIndex predicateIndex = new LocalSecondaryIndex()
        .withIndexName(PREDICATE_INDEX_NAME)
        .withKeySchema(new KeySchemaElement(RESOURCE_NAME_ATT, KeyType.HASH))
        .withKeySchema(new KeySchemaElement(RDF_PREDICATE_ATT, KeyType.RANGE))
        .withProjection(new Projection().withNonKeyAttributes(RDF_SUBJECT_ATT, RDF_OBJECT_ATT)
                                        .withProjectionType(ProjectionType.INCLUDE));

    final GlobalSecondaryIndex objectIndex = new GlobalSecondaryIndex()
        .withIndexName(OBJECT_INDEX_NAME)
        .withKeySchema(new KeySchemaElement(RDF_OBJECT_ATT, KeyType.HASH))
        .withKeySchema(new KeySchemaElement(RDF_PREDICATE_ATT, KeyType.RANGE))
        .withProjection(new Projection().withNonKeyAttributes(RDF_SUBJECT_ATT)
                                        .withProjectionType(ProjectionType.INCLUDE))
        .withProvisionedThroughput(new ProvisionedThroughput(10L, 10L));

    final CreateTableRequest request =
        new CreateTableRequest()
            .withTableName(TABLE_NAME)
            .withAttributeDefinitions(attributeDefinitions)
            .withKeySchema(keySchema)
            .withProvisionedThroughput(provisionedthroughput)
            .withLocalSecondaryIndexes(predicateIndex)
            .withGlobalSecondaryIndexes(objectIndex);

    return dynamodbClient.createTable(request);
}
 

import com.amazonaws.services.dynamodbv2.model.ScalarAttributeType; //导入依赖的package包/类
/**
 * Create ticket tables.
 *
 * @param deleteTables the delete tables
 */
public void createTicketTables(final boolean deleteTables) {
    final Collection<TicketDefinition> metadata = this.ticketCatalog.findAll();
    metadata.forEach(Unchecked.consumer(r -> {
        final CreateTableRequest request = new CreateTableRequest()
                .withAttributeDefinitions(new AttributeDefinition(ColumnNames.ID.getName(), ScalarAttributeType.S))
                .withKeySchema(new KeySchemaElement(ColumnNames.ID.getName(), KeyType.HASH))
                .withProvisionedThroughput(new ProvisionedThroughput(dynamoDbProperties.getReadCapacity(),
                        dynamoDbProperties.getWriteCapacity()))
                .withTableName(r.getProperties().getStorageName());


        if (deleteTables) {
            final DeleteTableRequest delete = new DeleteTableRequest(r.getProperties().getStorageName());
            LOGGER.debug("Sending delete request [{}] to remove table if necessary", delete);
            TableUtils.deleteTableIfExists(amazonDynamoDBClient, delete);
        }
        LOGGER.debug("Sending delete request [{}] to create table", request);
        TableUtils.createTableIfNotExists(amazonDynamoDBClient, request);

        LOGGER.debug("Waiting until table [{}] becomes active...", request.getTableName());
        TableUtils.waitUntilActive(amazonDynamoDBClient, request.getTableName());

        final DescribeTableRequest describeTableRequest = new DescribeTableRequest().withTableName(request.getTableName());
        LOGGER.debug("Sending request [{}] to obtain table description...", describeTableRequest);
        
        final TableDescription tableDescription = amazonDynamoDBClient.describeTable(describeTableRequest).getTable();
        LOGGER.debug("Located newly created table with description: [{}]", tableDescription);
    }));
}