/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.shardingsphere.orchestration.core.registry.listener;

import org.apache.shardingsphere.orchestration.repository.api.RegistryRepository;
import org.apache.shardingsphere.orchestration.repository.api.listener.DataChangedEvent.ChangedType;

/**
 * Registry listener manager.
 */
public final class RegistryListenerManager {
    
    private final InstanceStateChangedListener instanceStateChangedListener;
    
    private final DataSourceStateChangedListener dataSourceStateChangedListener;
    
    public RegistryListenerManager(final RegistryRepository registryRepository) {
        instanceStateChangedListener = new InstanceStateChangedListener(registryRepository);
        dataSourceStateChangedListener = new DataSourceStateChangedListener(registryRepository);
    }
    
    /**
     * Initialize all state changed listeners.
     */
    public void initListeners() {
        instanceStateChangedListener.watch(ChangedType.UPDATED);
        dataSourceStateChangedListener.watch(ChangedType.UPDATED, ChangedType.DELETED, ChangedType.ADDED);
    }
}