2 * Copyright 2017 ZTE Corporation.
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4 * Licensed under the Apache License, Version 2.0 (the "License");
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5 * you may not use this file except in compliance with the License.
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6 * You may obtain a copy of the License at
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8 * http://www.apache.org/licenses/LICENSE-2.0
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10 * Unless required by applicable law or agreed to in writing, software
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11 * distributed under the License is distributed on an "AS IS" BASIS,
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12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 * See the License for the specific language governing permissions and
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14 * limitations under the License.
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16 package org.onap.holmes.rulemgt.wrapper;
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18 import java.util.ArrayList;
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19 import java.util.Date;
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20 import java.util.List;
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21 import javax.annotation.PostConstruct;
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22 import javax.inject.Inject;
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23 import javax.inject.Singleton;
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24 import lombok.extern.slf4j.Slf4j;
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25 import org.jvnet.hk2.annotations.Service;
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26 import org.onap.holmes.rulemgt.bean.request.CorrelationCheckRule4Engine;
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27 import org.onap.holmes.rulemgt.bean.response.RuleResult4API;
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28 import org.onap.holmes.rulemgt.constant.RuleMgtConstant;
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29 import org.onap.holmes.rulemgt.db.CorrelationRuleDao;
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30 import org.onap.holmes.common.api.entity.CorrelationRule;
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31 import org.onap.holmes.common.exception.CorrelationException;
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32 import org.onap.holmes.common.utils.DbDaoUtil;
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33 import org.onap.holmes.rulemgt.bean.request.CorrelationDeployRule4Engine;
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34 import org.onap.holmes.rulemgt.bean.request.RuleCreateRequest;
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35 import org.onap.holmes.rulemgt.bean.request.RuleDeleteRequest;
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36 import org.onap.holmes.rulemgt.bean.request.RuleQueryCondition;
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37 import org.onap.holmes.rulemgt.bean.request.RuleUpdateRequest;
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38 import org.onap.holmes.rulemgt.bean.response.RuleAddAndUpdateResponse;
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39 import org.onap.holmes.rulemgt.bean.response.RuleQueryListResponse;
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40 import org.onap.holmes.rulemgt.bolt.enginebolt.EngineWrapper;
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41 import org.onap.holmes.rulemgt.db.CorrelationRuleQueryDao;
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47 public class RuleMgtWrapper {
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50 private CorrelationRuleQueryDao correlationRuleQueryDao;
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52 private EngineWrapper engineWarpper;
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54 private DbDaoUtil daoUtil;
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56 private CorrelationRuleDao correlationRuleDao;
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59 public void initDaoUtil() {
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60 correlationRuleDao = daoUtil.getJdbiDaoByOnDemand(CorrelationRuleDao.class);
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63 public RuleAddAndUpdateResponse addCorrelationRule(String creator, RuleCreateRequest ruleCreateRequest)
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64 throws CorrelationException {
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65 if (ruleCreateRequest == null) {
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66 throw new CorrelationException("The request object can not be empty!");
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68 CorrelationRule correlationRule = convertCreateRequest2Rule(creator,
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70 checkCorrelation(correlationRule);
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71 CorrelationRule ruleTemp = correlationRuleDao.queryRuleByRuleName(correlationRule.getName());
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72 if (ruleTemp != null) {
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73 throw new CorrelationException("A rule with the same name already exists.");
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75 correlationRule.setPackageName(deployRule2Engine(correlationRule));
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76 CorrelationRule result = correlationRuleDao.saveRule(correlationRule);
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77 RuleAddAndUpdateResponse ruleAddAndUpdateResponse = new RuleAddAndUpdateResponse();
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78 ruleAddAndUpdateResponse.setRuleId(result.getRid());
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79 return ruleAddAndUpdateResponse;
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82 public RuleAddAndUpdateResponse updateCorrelationRule(String modifier, RuleUpdateRequest ruleUpdateRequest)
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83 throws CorrelationException {
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84 if (ruleUpdateRequest == null) {
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85 throw new CorrelationException("The request object can not be empty!");
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87 CorrelationRule oldCorrelationRule = correlationRuleDao.queryRuleByRid(ruleUpdateRequest.getRuleId());
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88 if (oldCorrelationRule == null) {
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89 throw new CorrelationException("You're trying to update a rule which does not exist in the system.");
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91 CorrelationRule newCorrelationRule = convertRuleUpdateRequest2CorrelationRule(modifier,
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92 ruleUpdateRequest, oldCorrelationRule.getName());
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93 checkCorrelation(newCorrelationRule);
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94 RuleAddAndUpdateResponse ruleChangeResponse = new RuleAddAndUpdateResponse();
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95 ruleChangeResponse.setRuleId(newCorrelationRule.getRid());
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96 if (!haveChange(newCorrelationRule, oldCorrelationRule)) {
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97 return ruleChangeResponse;
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99 if (oldCorrelationRule.getEnabled() == RuleMgtConstant.STATUS_RULE_OPEN) {
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100 engineWarpper.deleteRuleFromEngine(oldCorrelationRule.getPackageName());
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102 newCorrelationRule.setPackageName(deployRule2Engine(newCorrelationRule));
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103 correlationRuleDao.updateRule(newCorrelationRule);
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104 return ruleChangeResponse;
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107 private void checkCorrelation(CorrelationRule correlationRule) throws CorrelationException {
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108 int enabled = correlationRule.getEnabled();
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109 String ruleName = correlationRule.getName() == null ? "" : correlationRule.getName().trim();
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110 String content = correlationRule.getContent() == null ? "" : correlationRule.getContent().trim();
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111 if ("".equals(content)) {
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112 throw new CorrelationException("The contents of the rule can not be empty!");
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114 if (enabled != RuleMgtConstant.STATUS_RULE_CLOSE
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115 && enabled != RuleMgtConstant.STATUS_RULE_OPEN) {
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116 throw new CorrelationException("Invalid rule status. Only 0 (disabled) and 1 (enabled) are allowed.");
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118 if ("".equals(ruleName)) {
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119 throw new CorrelationException("The name of the rule can not be empty.");
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123 private boolean haveChange(CorrelationRule newCorrelationRule, CorrelationRule oldCorrelationRule) {
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124 String newContent = newCorrelationRule.getContent();
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125 String oldContent = oldCorrelationRule.getContent();
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126 int newEnabled = newCorrelationRule.getEnabled();
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127 int oldEnabled = oldCorrelationRule.getEnabled();
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128 String newDes = newCorrelationRule.getDescription();
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129 String oldDes = oldCorrelationRule.getDescription();
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130 if (newContent.equals(oldContent) && newEnabled == oldEnabled && newDes.equals(oldDes)) {
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136 public void deleteCorrelationRule(RuleDeleteRequest ruleDeleteRequest)
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137 throws CorrelationException {
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138 if (ruleDeleteRequest == null) {
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139 throw new CorrelationException("The request object can not be empty!");
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141 CorrelationRule correlationRule = correlationRuleDao.queryRuleByRid(ruleDeleteRequest.getRuleId());
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142 if (correlationRule == null) {
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143 log.warn("the rule:rule id=" + ruleDeleteRequest.getRuleId() + " does not exist the database.");
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144 throw new CorrelationException("You're trying to delete a rule which does not exist in the system.");
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146 if (correlationRule.getEnabled() == RuleMgtConstant.STATUS_RULE_OPEN) {
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147 engineWarpper.deleteRuleFromEngine(correlationRule.getPackageName());
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149 correlationRuleDao.deleteRule(correlationRule);
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152 private CorrelationRule convertCreateRequest2Rule(String userName,
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153 RuleCreateRequest ruleCreateRequest) throws CorrelationException {
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154 String tempContent = ruleCreateRequest.getContent();
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155 CorrelationRule correlationRule = new CorrelationRule();
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156 String ruleId = "rule_" + System.currentTimeMillis();
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157 String description = ruleCreateRequest.getDescription() == null ? "" : ruleCreateRequest.getDescription();
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158 correlationRule.setRid(ruleId);
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159 if (tempContent != null) {
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160 correlationRule.setContent(tempContent.trim());
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162 correlationRule.setDescription(description);
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163 correlationRule.setCreateTime(new Date());
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164 correlationRule.setUpdateTime(new Date());
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165 correlationRule.setName(ruleCreateRequest.getRuleName());
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166 correlationRule.setEngineID("correlation-d");
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167 correlationRule.setEngineType("");
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168 correlationRule.setTemplateID(0);
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169 correlationRule.setVendor("");
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170 correlationRule.setCreator(userName);
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171 correlationRule.setModifier(userName);
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172 correlationRule.setEnabled(ruleCreateRequest.getEnabled());
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173 return correlationRule;
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176 private CorrelationRule convertRuleUpdateRequest2CorrelationRule(String modifier,
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177 RuleUpdateRequest ruleUpdateRequest, String ruleName) throws CorrelationException {
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178 CorrelationRule correlationRule = new CorrelationRule();
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179 String description = ruleUpdateRequest.getDescription() == null ? "" : ruleUpdateRequest.getDescription();
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180 correlationRule.setRid(ruleUpdateRequest.getRuleId());
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181 correlationRule.setContent(ruleUpdateRequest.getContent());
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182 correlationRule.setDescription(description);
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183 correlationRule.setEnabled(ruleUpdateRequest.getEnabled());
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184 correlationRule.setUpdateTime(new Date());
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185 correlationRule.setModifier(modifier);
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186 correlationRule.setName(ruleName);
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187 return correlationRule;
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190 private String deployRule2Engine(CorrelationRule correlationRule)
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191 throws CorrelationException {
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192 if (engineWarpper.checkRuleFromEngine(correlationRules2CheckRule(correlationRule)) && (
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193 correlationRule.getEnabled() == RuleMgtConstant.STATUS_RULE_OPEN)) {
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194 return engineWarpper.deployEngine(correlationRules2DeployRule(correlationRule));
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199 public RuleQueryListResponse getCorrelationRuleByCondition(
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200 RuleQueryCondition ruleQueryCondition) throws CorrelationException {
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201 List<CorrelationRule> correlationRule = correlationRuleQueryDao
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202 .getCorrelationRulesByCondition(ruleQueryCondition);
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203 RuleQueryListResponse ruleQueryListResponse = new RuleQueryListResponse();
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204 ruleQueryListResponse.setTotalCount(correlationRule.size());
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205 ruleQueryListResponse
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206 .setCorrelationRules(correlationRules2RuleResult4APIs(correlationRule));
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207 return ruleQueryListResponse;
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210 private List<RuleResult4API> correlationRules2RuleResult4APIs(
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211 List<CorrelationRule> correlationRules) {
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212 List<RuleResult4API> ruleResult4APIs = new ArrayList<RuleResult4API>();
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213 for (CorrelationRule correlationRule : correlationRules) {
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214 RuleResult4API ruleResult4API = new RuleResult4API();
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215 String description = correlationRule.getDescription() == null ? "" : correlationRule.getDescription();
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216 ruleResult4API.setRuleId(correlationRule.getRid());
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217 ruleResult4API.setRuleName(correlationRule.getName());
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218 ruleResult4API.setDescription(description);
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219 ruleResult4API.setContent(correlationRule.getContent());
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220 ruleResult4API.setCreateTime(correlationRule.getCreateTime());
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221 ruleResult4API.setCreator(correlationRule.getCreator());
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222 ruleResult4API.setUpdateTime(correlationRule.getUpdateTime());
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223 ruleResult4API.setModifier(correlationRule.getModifier());
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224 ruleResult4API.setEnabled(correlationRule.getEnabled());
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225 ruleResult4APIs.add(ruleResult4API);
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227 return ruleResult4APIs;
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230 private CorrelationDeployRule4Engine correlationRules2DeployRule(
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231 CorrelationRule correlationRule) {
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232 CorrelationDeployRule4Engine correlationDeployRule4Engine = new CorrelationDeployRule4Engine();
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233 correlationDeployRule4Engine.setContent(correlationRule.getContent());
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234 correlationDeployRule4Engine.setEngineId(correlationRule.getEngineID());
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235 return correlationDeployRule4Engine;
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238 private CorrelationCheckRule4Engine correlationRules2CheckRule(
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239 CorrelationRule correlationRule) {
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240 CorrelationCheckRule4Engine correlationCheckRule4Engine = new CorrelationCheckRule4Engine();
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241 correlationCheckRule4Engine.setContent(correlationRule.getContent());
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242 return correlationCheckRule4Engine;
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