/*
 * Copyright 2016-2018 shardingsphere.io.
 * <p>
 * Licensed 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.
 * </p>
 */

package io.shardingsphere.orchestration.internal.config;

import io.shardingsphere.core.event.ShardingEventBusInstance;
import io.shardingsphere.orchestration.internal.event.config.MasterSlaveConfigurationChangedEvent;
import io.shardingsphere.orchestration.internal.event.config.ShardingConfigurationChangedEvent;
import io.shardingsphere.orchestration.internal.listener.ListenerManager;
import io.shardingsphere.orchestration.internal.state.datasource.DataSourceService;
import io.shardingsphere.orchestration.reg.api.RegistryCenter;
import io.shardingsphere.orchestration.reg.listener.DataChangedEvent;
import io.shardingsphere.orchestration.reg.listener.EventListener;

/**
 * Rule listener manager.
 *
 * @author caohao
 * @author panjuan
 */
public final class RuleListenerManager implements ListenerManager {
    
    private final ConfigurationNode configNode;
    
    private final RegistryCenter regCenter;
    
    private final String shardingSchemaName;
    
    private final ConfigurationService configService;
    
    private final DataSourceService dataSourceService;
    
    public RuleListenerManager(final String name, final RegistryCenter regCenter, final String shardingSchemaName) {
        configNode = new ConfigurationNode(name);
        this.regCenter = regCenter;
        this.shardingSchemaName = shardingSchemaName;
        configService = new ConfigurationService(name, regCenter);
        dataSourceService = new DataSourceService(name, regCenter);
    }
    
    @Override
    public void watch() {
        regCenter.watch(configNode.getRulePath(shardingSchemaName), new EventListener() {
            
            @Override
            public void onChange(final DataChangedEvent event) {
                if (DataChangedEvent.Type.UPDATED == event.getEventType()) {
                    ShardingEventBusInstance.getInstance().post(configService.isShardingRule(shardingSchemaName) ? getShardingConfigurationChangedEvent() : getMasterSlaveConfigurationChangedEvent());
                }
            }
    
            private MasterSlaveConfigurationChangedEvent getMasterSlaveConfigurationChangedEvent() {
                return new MasterSlaveConfigurationChangedEvent(dataSourceService.getAvailableMasterSlaveRuleConfiguration(shardingSchemaName));
            }
    
            private ShardingConfigurationChangedEvent getShardingConfigurationChangedEvent() {
                return new ShardingConfigurationChangedEvent(dataSourceService.getAvailableShardingRuleConfiguration(shardingSchemaName));
            }
        });
    }
}

@@ -801,37 +801,28 @@
 .MasterSlave
-Configuration
+Rule
 ChangedEvent
@@ -888,37 +888,28 @@
 fig.Sharding
-Configuration
+Rule
 ChangedEvent
@@ -2661,37 +2661,28 @@
  MasterSlave
-Configuration
+Rule
 ChangedEvent
@@ -2760,37 +2760,28 @@
  MasterSlave
-Configuration
+Rule
 ChangedEvent
@@ -2905,37 +2905,28 @@
 ate Sharding
-Configuration
+Rule
 ChangedEvent
@@ -2998,37 +2998,28 @@
 new Sharding
-Configuration
+Rule
 ChangedEvent

use ShardingRuleChangedEvent