Package com.exasol.adapter

Class AdapterRegistry

java.lang.Object

com.exasol.adapter.AdapterRegistry

public final class AdapterRegistry
extends Object

VirtualSchemaAdapters need to be registered in the AdapterRegistry in order to receive requests from the dispatcher.

Constructor Summary

Constructors

Constructor	Description
AdapterRegistry()

Method Summary

Modifier and Type	Method	Description
void	clear()	Remove all registered adapters from the registry
String	describe()	Describe the contents of the registry
VirtualSchemaAdapter	getAdapterForName(String name)	Get the Virtual Schema Adapter registered under the given name
static AdapterRegistry	getInstance()	Get the singleton instance of the AdapterRegistry
List<AdapterFactory>	getRegisteredAdapterFactories()	Get a list of all currently registered Virtual Schema Adapters
boolean	hasAdapterWithName(String name)	Check if an adapter with the given name is registered
void	loadAdapterFactories()	Load adapter factories via the ServiceLoader
void	registerAdapterFactory(String adapterName, AdapterFactory factory)	Register a factory for a VirtualSchemaAdapter

Methods inherited from class java.lang.Object

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

Constructor Detail

AdapterRegistry

public AdapterRegistry()

Method Detail

getInstance

public static AdapterRegistry getInstance()

Get the singleton instance of the AdapterRegistry

Returns:

singleton instance

loadAdapterFactories

public void loadAdapterFactories()

Load adapter factories via the ServiceLoader

registerAdapterFactory

public void registerAdapterFactory(String adapterName,
                                   AdapterFactory factory)

Register a factory for a VirtualSchemaAdapter

Parameters:

factory - factory that can create the adapter

adapterName - name of the adapter

getRegisteredAdapterFactories

public List<AdapterFactory> getRegisteredAdapterFactories()

Get a list of all currently registered Virtual Schema Adapters

Returns:

list of adapter factories

getAdapterForName

public VirtualSchemaAdapter getAdapterForName(String name)

Get the Virtual Schema Adapter registered under the given name

Parameters:

name - name of the adapter

Returns:

adapter instance

hasAdapterWithName

public boolean hasAdapterWithName(String name)

Check if an adapter with the given name is registered

Parameters:

name - adapter name to be searched for

Returns:

true if an adapter is registered under that name

clear

public void clear()

Remove all registered adapters from the registry

describe

public String describe()

Describe the contents of the registry

Returns:

description