/*
 * 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.registry.config.listener;

import io.shardingsphere.orchestration.internal.registry.config.event.PropertiesChangedEvent;
import io.shardingsphere.orchestration.internal.registry.config.node.ConfigurationNode;
import io.shardingsphere.orchestration.internal.registry.listener.PostShardingOrchestrationEventListener;
import io.shardingsphere.orchestration.reg.api.RegistryCenter;
import io.shardingsphere.orchestration.reg.listener.DataChangedEvent;
import io.shardingsphere.orchestration.yaml.ConfigurationYamlConverter;

/**
 * Schema changed listener.
 *
 * @author panjuan
 */
public final class SchemaChangedListener extends PostShardingOrchestrationEventListener {
    
    public SchemaChangedListener(final String name, final RegistryCenter regCenter) {
        super(regCenter, new ConfigurationNode(name).getPropsPath());
    }
    
    @Override
    protected PropertiesChangedEvent createShardingOrchestrationEvent(final DataChangedEvent event) {
        return new PropertiesChangedEvent(ConfigurationYamlConverter.loadProperties(event.getValue()));
    }
}

@@ -759,26 +759,25 @@
 g.event.
-Properties
+ConfigMap
 ChangedE
@@ -1152,39 +1152,138 @@
 ion.
-yaml.ConfigurationYamlConverter
+reg.listener.DataChangedEvent.ChangedType;%0A%0Aimport java.util.Collection;%0Aimport java.util.Collections;%0Aimport java.util.LinkedList
 ;%0A%0A/
@@ -1430,24 +1430,178 @@
 ener %7B%0A    %0A
+    private final Collection%3CString%3E currentSchemas = new LinkedList%3C%3E();%0A    %0A    private final Collection%3CString%3E tmpSchemas = new LinkedList%3C%3E();%0A    %0A
     public S
@@ -1734,13 +1734,14 @@
 .get
-Props
+Schema
 Path
@@ -1784,26 +1784,25 @@
 otected 
-Properties
+ConfigMap
 ChangedE
@@ -1883,101 +1883,251 @@
     
-return new PropertiesChangedEvent(ConfigurationYamlConverter.loadProperties(event.getValue())
+System.out.println(event.getKey());%0A        System.out.println(event.getValue());%0A        if (ChangedType.DELETED == event.getChangedType()) %7B%0A            event.getKey();%0A        %7D%0A        return new ConfigMapChangedEvent(Collections.EMPTY_MAP
 );%0A 

add tmpSchemas