Package io.stargate.sdk.gql

Class GraphQLKeyspaceDDLClient

java.lang.Object

io.stargate.sdk.gql.GraphQLKeyspaceDDLClient

public class GraphQLKeyspaceDDLClient
extends Object

Implementations of CQL First Approaches, DDL.

Author:

Cedrick LUNVEN (@clunven)

Field Summary

Fields

Modifier and Type	Field	Description
Function<ServiceHttp,String>	cqlSchemaResource	Mapping from root URL to rest endpoint listing keyspaces definitions.
static final String	PATH_CQL_FIRST_DDL	URL part.

Constructor Summary

Constructors

Constructor	Description
GraphQLKeyspaceDDLClient(LoadBalancedHttpClient stargateClient)	Constructor with StargateClient as argument.

Method Summary

Modifier and Type	Method	Description
String	createKeyspaceSimple(String keyspaceName, int replicas)	Mutation to create a keyspace.
String	execute(String input)	Generic Query execution.
Optional<Keyspace>	keyspace(String keyspaceName, KeyspaceProjectionRoot projection)	Using the keyspace(...) functions about cql Schema.
Stream<Keyspace>	keyspaces()	List keyspaces.
Stream<Keyspace>	keyspaces(KeyspacesProjectionRoot projection)	List keyspaces.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

PATH_CQL_FIRST_DDL

public static final String PATH_CQL_FIRST_DDL

URL part.

See Also:

• Constant Field Values

cqlSchemaResource

public Function<ServiceHttp,String> cqlSchemaResource

Mapping from root URL to rest endpoint listing keyspaces definitions.

Constructor Details

GraphQLKeyspaceDDLClient

public GraphQLKeyspaceDDLClient(LoadBalancedHttpClient stargateClient)

Constructor with StargateClient as argument.

Parameters:

stargateClient - stargate client

Method Details

execute

public String execute(String input)

Generic Query execution.

Parameters:

input - query to execute

Returns:

(dynamic) response

keyspaces

public Stream<Keyspace> keyspaces()

List keyspaces.

Returns:

list of keyspaces.

keyspaces

public Stream<Keyspace> keyspaces(KeyspacesProjectionRoot projection)

List keyspaces.

Parameters:

projection - projection to get output in Java

Returns:

list of keyspaces.

keyspace

public Optional<Keyspace> keyspace(String keyspaceName,
 KeyspaceProjectionRoot projection)

Using the keyspace(...) functions about cql Schema.

Parameters:

keyspaceName - keyspace name

projection - projection

Returns:

keyspace if exists

createKeyspaceSimple

public String createKeyspaceSimple(String keyspaceName,
 int replicas)

Mutation to create a keyspace.

Parameters:

keyspaceName - stargate keyspace name

replicas - replicas count

Returns:

response from graphQL