/*
 * 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)
                            ?  new ShardingConfigurationChangedEvent(dataSourceService.getAvailableShardingRuleConfiguration(shardingSchemaName)): new MasterSlaveConfigurationChangedEvent(dataSourceService.getAvailableMasterSlaveRuleConfiguration(shardingSchemaName)));
                }
            }
        });
    }
}

@@ -2531,52 +2531,272 @@
 ame)
-%0A                            ?  new Sharding
+ ? getShardingConfigurationChangedEvent() : getMasterSlaveConfigurationChangedEvent());%0A                %7D%0A            %7D%0A    %0A            private MasterSlaveConfigurationChangedEvent getMasterSlaveConfigurationChangedEvent() %7B%0A                return new MasterSlave
 Conf
@@ -2847,24 +2847,27 @@
 vailable
-Sharding
+MasterSlave
 RuleConf
@@ -2900,25 +2900,159 @@
 me))
-: new MasterSlave
+;%0A            %7D%0A    %0A            private ShardingConfigurationChangedEvent getShardingConfigurationChangedEvent() %7B%0A                return new Sharding
 Conf
@@ -3099,35 +3099,32 @@
 getAvailable
-MasterSlave
+Sharding
 RuleConfigur
@@ -3149,36 +3149,17 @@
 maName))
-);%0A                %7D
+;
 %0A       

add getMasterSlaveConfigurationChangedEvent()