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Use ClusterManager to manage the cluster info
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67 changes: 67 additions & 0 deletions
67
...cheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/MapComparator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* | ||
| * 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.dolphinscheduler.common.utils; | ||
|
|
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| import java.util.HashSet; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
| import java.util.stream.Collectors; | ||
|
|
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| public class MapComparator<K, V> { | ||
|
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| private final Map<K, V> oldMap; | ||
| private final Map<K, V> newMap; | ||
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| public MapComparator(Map<K, V> oldMap, Map<K, V> newMap) { | ||
| this.oldMap = oldMap; | ||
| this.newMap = newMap; | ||
| } | ||
|
|
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| public Set<K> getKeysToAdd() { | ||
| Set<K> keysToAdd = new HashSet<>(newMap.keySet()); | ||
| keysToAdd.removeAll(oldMap.keySet()); | ||
| return keysToAdd; | ||
| } | ||
|
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| public List<V> getValuesToAdd() { | ||
| return getKeysToAdd().stream().map(newMap::get).collect(Collectors.toList()); | ||
| } | ||
|
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| public Set<K> getKeysToRemove() { | ||
| Set<K> keysToRemove = new HashSet<>(oldMap.keySet()); | ||
| keysToRemove.removeAll(newMap.keySet()); | ||
| return keysToRemove; | ||
| } | ||
|
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| public List<V> getValuesToRemove() { | ||
| return getKeysToRemove().stream().map(oldMap::get).collect(Collectors.toList()); | ||
| } | ||
|
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| public Set<K> getKeysToUpdate() { | ||
| Set<K> keysToUpdate = new HashSet<>(newMap.keySet()); | ||
| keysToUpdate.retainAll(oldMap.keySet()); | ||
| keysToUpdate.removeIf(key -> newMap.get(key).equals(oldMap.get(key))); | ||
|
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| return keysToUpdate; | ||
| } | ||
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| public List<V> getNewValuesToUpdate() { | ||
| return getKeysToUpdate().stream().map(newMap::get).collect(Collectors.toList()); | ||
| } | ||
| } |
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