forked from community/device-mgt-core
Amalka Subasinghe
1 year ago
parent
f19f48d050
commit
615da6303f
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/*
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* Copyright (c) 2018 - 2023, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
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*
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* Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package io.entgra.device.mgt.core.server.bootup.heartbeat.beacon.service;
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public interface ClusterFormationChangedNotifier {
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String getType();
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void notifyClusterFormationChanged(int hashIndex, int activeServerCount);
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}
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@ -0,0 +1,64 @@
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/*
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* Copyright (c) 2018 - 2023, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
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*
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* Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package io.entgra.device.mgt.core.server.bootup.heartbeat.beacon.service;
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import org.apache.commons.lang.StringUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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public class ClusterFormationChangedNotifierRepository {
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private Map<String, ClusterFormationChangedNotifier> notifiers;
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private static final Log log = LogFactory.getLog(ClusterFormationChangedNotifierRepository.class);
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public ClusterFormationChangedNotifierRepository() {
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this.notifiers = new ConcurrentHashMap<>();
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}
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public void addNotifier(ClusterFormationChangedNotifier notifier) {
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notifiers.put(notifier.getType(), notifier);
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}
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public void addNotifier(String className) {
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try {
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if (!StringUtils.isEmpty(className)) {
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Class<?> clz = Class.forName(className);
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ClusterFormationChangedNotifier notifier = (ClusterFormationChangedNotifier) clz.newInstance();
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notifiers.put(notifier.getType(), notifier);
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}
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} catch (ClassNotFoundException e) {
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log.error("Provided ClusterFormationChangedNotifier implementation '" + className + "' cannot be found", e);
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} catch (InstantiationException e) {
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log.error("Error occurred while instantiating ClusterFormationChangedNotifier implementation '" +
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className + "'", e);
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} catch (IllegalAccessException e) {
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log.error("Error occurred while adding ClusterFormationChangedNotifier implementation '" + className + "'", e);
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}
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}
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public ClusterFormationChangedNotifier getNotifier(String type) {
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return notifiers.get(type);
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}
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public Map<String, ClusterFormationChangedNotifier> getNotifiers() {
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return notifiers;
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}
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}
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