/*
* Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.yangtools.yang.model.repo.spi;
import com.google.common.annotations.Beta;
import java.util.EventListener;
import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceRepresentation;
/**
* Listener for schema source lifecycle events.
*/
@Beta
public interface SchemaSourceListener extends EventListener {
/**
* Invoked when the registry sees a concrete source. This callback is typically
* used by cache-type listeners, who intercept the source, store it locally and
* announce themselves as a provider of that particular schema source.
*
* @param source Schema source
*/
void schemaSourceEncountered(SchemaSourceRepresentation source);
/**
* Invoked when a new schema source is registered by a provider. This call
* callback, along with {@link #schemaSourceUnregistered(PotentialSchemaSource)}
* is typically used by transformer-type listeners, who intercept the registration
* if the advertised representation matches their input type and register
* themselves as a potential provider of the same source in their output
* representation type.
*
* @param sources Newly available sources
*/
void schemaSourceRegistered(Iterable<PotentialSchemaSource<?>> sources);
/**
* Invoked when a schema source is unregistered.
*
* @param source Schema source representation
*/
void schemaSourceUnregistered(PotentialSchemaSource<?> source);
}