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/**
* Copyright 2017 ZTE Corporation.
*
* 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.
*/
package org.onap.holmes.engine.utils;
import java.util.HashMap;
import java.util.Map;
import org.jvnet.hk2.annotations.Service;
import org.onap.holmes.common.api.stat.Alarm;
@Service
public class AlarmUtil {
private final static AlarmUtil alarmUtil = new AlarmUtil();
/**
* Map<ruleId, <ProbableCause-EquipType, priority>>
*/
private final Map<String, Map<String, Integer>> rootPriorityMap =
new HashMap<String, Map<String, Integer>>();
/**
* Map<rule, ProbableCause+EquipType+priority>
*/
private final Map<String, String> saveRuleMsg = new HashMap<String, String>();
private AlarmUtil() {
}
public static AlarmUtil getInstance() {
return alarmUtil;
}
public boolean equipTypeFilter(String probableCauseStr, String equipType, Alarm alarm) {
if ("null".equals(probableCauseStr)) {
return true;
}
String[] equipTypes = equipType.replace(" ", "").split(",");
String[] probableCauseStrs = probableCauseStr.replace(" ", "").split(",");
for (int i = 0; i < probableCauseStrs.length; i++) {
if (alarm.getProbableCause() == Long.parseLong(probableCauseStrs[i])
&& alarm.getEquipType().equals(equipTypes[i])) {
return true;
}
}
return false;
}
public Integer getPriority(String ruleId, String probableCauseStr, String rootAlarmFeatureStr,
String equipTypeStr, Alarm alarm) {
if (rootPriorityMap.containsKey(ruleId)) {
if (!saveRuleMsg.get(ruleId)
.equals(probableCauseStr + equipTypeStr + rootAlarmFeatureStr)) {
setPriority(ruleId, probableCauseStr, rootAlarmFeatureStr, equipTypeStr);
}
} else {
setPriority(ruleId, probableCauseStr, rootAlarmFeatureStr, equipTypeStr);
}
Integer priority =
rootPriorityMap.get(ruleId).get(alarm.getProbableCause() + "-" + alarm.getEquipType());
if (priority == null) {
priority = 0;
}
return priority;
}
private void setPriority(String ruleId, String probableCauseStr, String rootAlarmFeatureStr,
String equipTypeStr) {
saveRuleMsg.put(ruleId, probableCauseStr + equipTypeStr + rootAlarmFeatureStr);
Map<String, Integer> map = new HashMap<String, Integer>();
String[] probableCauseStrs = probableCauseStr.replace(" ", "").split(",");
String[] rootAlarmFeatureStrs = rootAlarmFeatureStr.replace(" ", "").split(",");
String[] equipTypes = equipTypeStr.replace(" ", "").split(",");
for (int i = 0; i < rootAlarmFeatureStrs.length; i++) {
map.put(probableCauseStrs[i] + "-" + equipTypes[i],
Integer.parseInt(rootAlarmFeatureStrs[i]));
}
rootPriorityMap.put(ruleId, map);
}
}
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