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Use DataChangedEventHandler to instead of DispatchEventBuilder
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55 changes: 55 additions & 0 deletions
55
...e/shardingsphere/mode/manager/cluster/event/dispatch/handler/DataChangedEventHandler.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.shardingsphere.mode.manager.cluster.event.dispatch.handler; | ||
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| import org.apache.shardingsphere.infra.spi.annotation.SingletonSPI; | ||
| import org.apache.shardingsphere.mode.event.DataChangedEvent; | ||
| import org.apache.shardingsphere.mode.event.DataChangedEvent.Type; | ||
| import org.apache.shardingsphere.mode.manager.ContextManager; | ||
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| import java.util.Collection; | ||
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| /** | ||
| * Data changed event handler. | ||
| */ | ||
| @SingletonSPI | ||
| public interface DataChangedEventHandler { | ||
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| /** | ||
| * Get subscribed key. | ||
| * | ||
| * @return subscribed key | ||
| */ | ||
| String getSubscribedKey(); | ||
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| /** | ||
| * Get subscribed types. | ||
| * | ||
| * @return subscribed types | ||
| */ | ||
| Collection<Type> getSubscribedTypes(); | ||
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| /** | ||
| * Handle data changed event. | ||
| * | ||
| * @param contextManager context manager | ||
| * @param event data changed event | ||
| */ | ||
| void handle(ContextManager contextManager, DataChangedEvent event); | ||
| } |
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42 changes: 42 additions & 0 deletions
42
...phere/mode/manager/cluster/event/dispatch/listener/type/GlobalMetaDataChangedHandler.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.shardingsphere.mode.manager.cluster.event.dispatch.listener.type; | ||
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| import lombok.RequiredArgsConstructor; | ||
| import org.apache.shardingsphere.mode.event.DataChangedEvent; | ||
| import org.apache.shardingsphere.mode.manager.ContextManager; | ||
| import org.apache.shardingsphere.mode.manager.cluster.event.dispatch.handler.DataChangedEventHandler; | ||
| import org.apache.shardingsphere.mode.repository.cluster.listener.DataChangedEventListener; | ||
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| /** | ||
| * Global meta data changed handler. | ||
| */ | ||
| @RequiredArgsConstructor | ||
| public final class GlobalMetaDataChangedHandler implements DataChangedEventListener { | ||
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| private final ContextManager contextManager; | ||
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| private final DataChangedEventHandler handler; | ||
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| @Override | ||
| public void onChange(final DataChangedEvent event) { | ||
| if (handler.getSubscribedTypes().contains(event.getType())) { | ||
| handler.handle(contextManager, event); | ||
| } | ||
| } | ||
| } |
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18 changes: 18 additions & 0 deletions
18
...apache.shardingsphere.mode.manager.cluster.event.dispatch.handler.DataChangedEventHandler
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| # | ||
| # 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. | ||
| # | ||
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| org.apache.shardingsphere.mode.manager.cluster.event.dispatch.handler.type.ClusterStateChangedHandler |
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