Module org.tentackle.sql

Package org.tentackle.sql

Class DefaultBackendFactory

java.lang.Object

org.tentackle.sql.DefaultBackendFactory

All Implemented Interfaces:

BackendFactory

@Service(BackendFactory.class)
public class DefaultBackendFactory
extends Object
implements BackendFactory

Default implementation of a backend factory.

Author:

harald

Constructor Summary

Constructors

Constructor	Description
DefaultBackendFactory()	Creates a backend factory. Collects all Backend services.

Method Summary

Modifier and Type	Method	Description
Collection<Backend>	getAllBackends()	Creates a collection of all backends. Skips backends marked as deprecated.
Backend	getBackendByName(String name)	Creates a backend by name.
Backend	getBackendByUrl(String url)	Creates a backend by jdbc url.
Collection<Backend>	getBackends(String backendNames)	Creates a collection of backends via a comma-separated list of backend names. There are some special names as well: all: all non-deprecated backends none: does not match any backend deprecated: all deprecated backends The returned list contains each backend only once.

Methods inherited from class java.lang.Object

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

Constructor Details

DefaultBackendFactory

public DefaultBackendFactory()

Creates a backend factory.
Collects all Backend services.

Method Details

getBackendByUrl

public Backend getBackendByUrl(String url)

Description copied from interface: BackendFactory

Creates a backend by jdbc url.

Specified by:

getBackendByUrl in interface BackendFactory

Parameters:

url - the connection url

Returns:

the backend, never null

getBackendByName

public Backend getBackendByName(String name)

Description copied from interface: BackendFactory

Creates a backend by name.

Specified by:

getBackendByName in interface BackendFactory

Parameters:

name - the backend name

Returns:

the backend, never null

getAllBackends

public Collection<Backend> getAllBackends()

Description copied from interface: BackendFactory

Creates a collection of all backends.
Skips backends marked as deprecated.

Specified by:

getAllBackends in interface BackendFactory

Returns:

the collection of all backends

See Also:

• Backend.isDeprecated()

getBackends

public Collection<Backend> getBackends(String backendNames)

Description copied from interface: BackendFactory

Creates a collection of backends via a comma-separated list of backend names.
There are some special names as well:

• all: all non-deprecated backends
• none: does not match any backend
• deprecated: all deprecated backends

The returned list contains each backend only once.

Specified by:

getBackends in interface BackendFactory

Parameters:

backendNames - the backend names, null or empty if none

Returns:

the backends found, empty if none