/*
 * 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.controller.sal.binding.test.util;

import org.opendaylight.controller.sal.core.api.model.SchemaService;
import org.opendaylight.controller.sal.dom.broker.impl.SchemaContextProvider;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.concepts.util.ListenerRegistry;
import org.opendaylight.yangtools.yang.model.api.Module;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.opendaylight.yangtools.yang.model.api.SchemaServiceListener;

@SuppressWarnings("deprecation")
public final class MockSchemaService implements SchemaService, SchemaContextProvider {

    private SchemaContext schemaContext;

    ListenerRegistry<SchemaServiceListener> listeners = ListenerRegistry.create();

    @Override
    public void addModule(final Module module) {
        throw new UnsupportedOperationException();
    }

    @Override
    public synchronized SchemaContext getGlobalContext() {
        return schemaContext;
    }

    @Override
    public synchronized SchemaContext getSessionContext() {
        return schemaContext;
    }

    @Override
    public ListenerRegistration<SchemaServiceListener> registerSchemaServiceListener(
            final SchemaServiceListener listener) {
        return listeners.register(listener);
    }

    @Override
    public void removeModule(final Module module) {
        throw new UnsupportedOperationException();
    }

    @Override
    public synchronized SchemaContext getSchemaContext() {
        return schemaContext;
    }

    public synchronized void changeSchema(final SchemaContext newContext) {
        schemaContext = newContext;
        for (ListenerRegistration<SchemaServiceListener> listener : listeners) {
            listener.getInstance().onGlobalContextUpdated(schemaContext);
        }
    }
}