io.cdap.wrangler.dataset.connections

Class ConnectionStore

java.lang.Object

io.cdap.wrangler.dataset.connections.ConnectionStore

Deprecated.

@Deprecated
public class ConnectionStore
extends Object

This class ConnectionStore manages all the connections defined. It manages the lifecycle of the Connection including all CRUD operations. The store is backed by a table with namespace, id, type, name, description, properties, created, and updated columns. The primary key is the namespace and id.

Field Summary

Fields

Modifier and Type	Field and Description
static io.cdap.cdap.spi.data.table.StructuredTableSpecification	TABLE_SPEC Deprecated.

Method Summary

Modifier and Type	Method and Description
boolean	connectionExists(Namespace namespace, String connectionName) Deprecated. Returns true if connection identified by connectionName already exists.
NamespacedId	create(Namespace namespace, ConnectionMeta meta) Deprecated. Creates an entry in the ConnectionStore for object Connection.
NamespacedId	create(Namespace namespace, ConnectionMeta meta, boolean preconfigured) Deprecated.
void	delete(NamespacedId id) Deprecated. Deletes the specified connection.
void	deleteAll(io.cdap.cdap.api.NamespaceSummary namespace) Deprecated. Delete all connection with the namespace and generation id
Connection	get(NamespacedId id) Deprecated. Get the specified connection.
static ConnectionStore	get(io.cdap.cdap.spi.data.StructuredTableContext context) Deprecated.
static String	getConnectionId(String name) Deprecated. Get connection id for the given connection name
List<Connection>	list(Namespace namespace, io.cdap.cdap.api.Predicate<Connection> filter) Deprecated. Scans the namespace to list all the keys applying the filter.
void	update(NamespacedId id, ConnectionMeta meta) Deprecated. Updates an existing connection in the store.

Methods inherited from class java.lang.Object

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

Field Detail

TABLE_SPEC

public static final io.cdap.cdap.spi.data.table.StructuredTableSpecification TABLE_SPEC

Deprecated.

Method Detail

get

public static ConnectionStore get(io.cdap.cdap.spi.data.StructuredTableContext context)

Deprecated.

create

public NamespacedId create(Namespace namespace,
                           ConnectionMeta meta)
                    throws ConnectionAlreadyExistsException,
                           IOException

Deprecated.

Creates an entry in the ConnectionStore for object Connection. This method creates the id and returns if after successfully updating the store.

Parameters:

meta - the metadata of the connection create

Returns:

id of the connection stored

Throws:

ConnectionAlreadyExistsException - if the connection already exists

IOException

create

public NamespacedId create(Namespace namespace,
                           ConnectionMeta meta,
                           boolean preconfigured)
                    throws ConnectionAlreadyExistsException,
                           IOException

Deprecated.

Throws:

ConnectionAlreadyExistsException

IOException

get

public Connection get(NamespacedId id)
               throws ConnectionNotFoundException,
                      IOException

Deprecated.

Get the specified connection.

Parameters:

id - the id of the connection

Returns:

the connection information

Throws:

ConnectionNotFoundException - if the connection does not exist

IOException

update

public void update(NamespacedId id,
                   ConnectionMeta meta)
            throws ConnectionNotFoundException,
                   IOException

Deprecated.

Updates an existing connection in the store.

Parameters:

id - the id of the object to be update

meta - metadata to update

Throws:

ConnectionNotFoundException - if the specified connection does not exist

IOException

delete

public void delete(NamespacedId id)
            throws IOException

Deprecated.

Deletes the specified connection.

Parameters:

id - the connection to delete

Throws:

IOException

connectionExists

public boolean connectionExists(Namespace namespace,
                                String connectionName)
                         throws IOException

Deprecated.

Returns true if connection identified by connectionName already exists.

Throws:

IOException

list

public List<Connection> list(Namespace namespace,
                             io.cdap.cdap.api.Predicate<Connection> filter)
                      throws IOException

Deprecated.

Scans the namespace to list all the keys applying the filter.

Parameters:

filter - to be applied on the data being returned.

Returns:

List of connections

Throws:

IOException

deleteAll

public void deleteAll(io.cdap.cdap.api.NamespaceSummary namespace)
               throws IOException

Deprecated.

Delete all connection with the namespace and generation id

Throws:

IOException

getConnectionId

public static String getConnectionId(String name)

Deprecated.

Get connection id for the given connection name

Parameters:

name - name of the connection.

Returns:

connection id.