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53 changes: 53 additions & 0 deletions
53
.../java/org/apache/dubbo/rpc/cluster/router/mesh/util/VsDestinationGroupRuleDispatcher.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| /* | ||
| * 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.dubbo.rpc.cluster.router.mesh.util; | ||
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| import org.apache.dubbo.common.utils.ConcurrentHashSet; | ||
| import org.apache.dubbo.rpc.cluster.router.mesh.rule.VsDestinationGroup; | ||
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| import java.util.Set; | ||
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| public class VsDestinationGroupRuleDispatcher { | ||
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| private Set<VsDestinationGroupRuleListener> listenerSet = new ConcurrentHashSet<>(); | ||
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| public synchronized void post(VsDestinationGroup vsDestinationGroup) { | ||
| for (VsDestinationGroupRuleListener vsDestinationGroupRuleListener : listenerSet) { | ||
| try { | ||
| vsDestinationGroupRuleListener.onRuleChange(vsDestinationGroup); | ||
| } catch (Throwable throwable) { | ||
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| } | ||
| } | ||
| } | ||
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| public synchronized boolean register(VsDestinationGroupRuleListener listener) { | ||
| if (listener == null) { | ||
| return false; | ||
| } | ||
| return listenerSet.add(listener); | ||
| } | ||
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| public synchronized void unregister(VsDestinationGroupRuleListener listener) { | ||
| if (listener == null) { | ||
| return; | ||
| } | ||
| listenerSet.remove(listener); | ||
| } | ||
| } |
25 changes: 25 additions & 0 deletions
25
...in/java/org/apache/dubbo/rpc/cluster/router/mesh/util/VsDestinationGroupRuleListener.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,25 @@ | ||
| /* | ||
| * 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.dubbo.rpc.cluster.router.mesh.util; | ||
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| import org.apache.dubbo.rpc.cluster.router.mesh.rule.VsDestinationGroup; | ||
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| public interface VsDestinationGroupRuleListener { | ||
| void onRuleChange(VsDestinationGroup vsDestinationGroup); | ||
| } |
74 changes: 74 additions & 0 deletions
74
...a/org/apache/dubbo/rpc/cluster/router/mesh/util/VsDestinationGroupRuleDispatcherTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| /* | ||
| * 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.dubbo.rpc.cluster.router.mesh.util; | ||
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| import org.apache.dubbo.rpc.cluster.router.mesh.rule.VsDestinationGroup; | ||
| import org.junit.jupiter.api.Test; | ||
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| import static org.junit.jupiter.api.Assertions.assertFalse; | ||
| import static org.junit.jupiter.api.Assertions.assertTrue; | ||
| import static org.mockito.Matchers.anyObject; | ||
| import static org.mockito.Mockito.mock; | ||
| import static org.mockito.Mockito.times; | ||
| import static org.mockito.Mockito.verify; | ||
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| class VsDestinationGroupRuleDispatcherTest { | ||
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| @Test | ||
| public void post() { | ||
| VsDestinationGroupRuleDispatcher vsDestinationGroupRuleDispatcher = new VsDestinationGroupRuleDispatcher(); | ||
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| VsDestinationGroupRuleListener vsDestinationGroupRuleListener = mock(VsDestinationGroupRuleListener.class); | ||
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| vsDestinationGroupRuleDispatcher.register(vsDestinationGroupRuleListener); | ||
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| vsDestinationGroupRuleDispatcher.post(new VsDestinationGroup()); | ||
| vsDestinationGroupRuleDispatcher.post(new VsDestinationGroup()); | ||
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| verify(vsDestinationGroupRuleListener, times(2)).onRuleChange(anyObject()); | ||
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| } | ||
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| @Test | ||
| public void register() { | ||
| VsDestinationGroupRuleDispatcher vsDestinationGroupRuleDispatcher = new VsDestinationGroupRuleDispatcher(); | ||
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| VsDestinationGroupRuleListener vsDestinationGroupRuleListener = mock(VsDestinationGroupRuleListener.class); | ||
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| assertFalse(vsDestinationGroupRuleDispatcher.register(null)); | ||
| assertTrue(vsDestinationGroupRuleDispatcher.register(vsDestinationGroupRuleListener)); | ||
| assertFalse(vsDestinationGroupRuleDispatcher.register(vsDestinationGroupRuleListener)); | ||
| } | ||
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| @Test | ||
| public void unregister() { | ||
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| VsDestinationGroupRuleDispatcher vsDestinationGroupRuleDispatcher = new VsDestinationGroupRuleDispatcher(); | ||
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| VsDestinationGroupRuleListener vsDestinationGroupRuleListener = mock(VsDestinationGroupRuleListener.class); | ||
| vsDestinationGroupRuleDispatcher.register(vsDestinationGroupRuleListener); | ||
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| vsDestinationGroupRuleDispatcher.post(new VsDestinationGroup()); | ||
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| vsDestinationGroupRuleDispatcher.unregister(vsDestinationGroupRuleListener); | ||
| vsDestinationGroupRuleDispatcher.post(new VsDestinationGroup()); | ||
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| verify(vsDestinationGroupRuleListener, times(1)).onRuleChange(anyObject()); | ||
| } | ||
| } |
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