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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.rulemgt.db;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import javax.inject.Inject;
import lombok.extern.slf4j.Slf4j;
import org.jvnet.hk2.annotations.Service;
import org.onap.holmes.rulemgt.bean.request.RuleQueryCondition;
import org.onap.holmes.rulemgt.constant.RuleMgtConstant;
import org.onap.holmes.common.api.entity.CorrelationRule;
import org.onap.holmes.common.exception.CorrelationException;
import org.onap.holmes.common.utils.DbDaoUtil;
import org.skife.jdbi.v2.Handle;
import org.skife.jdbi.v2.Query;
@Service
@Slf4j
public class CorrelationRuleQueryDao {
@Inject
private DbDaoUtil dbDaoUtil;
public List<CorrelationRule> getCorrelationRulesByCondition(RuleQueryCondition ruleQueryCondition)
throws CorrelationException {
List<CorrelationRule> correlationRules = new ArrayList<CorrelationRule>();
Handle handle = null;
String whereStr = getWhereStrByRequestEntity(ruleQueryCondition);
try {
StringBuilder querySql = new StringBuilder("SELECT * FROM APLUS_RULE ").append(whereStr);
handle = dbDaoUtil.getHandle();
Query query = handle.createQuery(querySql.toString());
for (Object value : query.list()) {
CorrelationRule correlationRule = getCorrelationRule((Map) value);
correlationRules.add(correlationRule);
}
return correlationRules;
} catch (Exception e) {
log.warn("Failed to query the rule: id =" + ruleQueryCondition.getRid() + ".");
throw new CorrelationException("Failed to query the rule.", e);
} finally {
dbDaoUtil.close(handle);
}
}
private CorrelationRule getCorrelationRule(Map value) {
CorrelationRule correlationRule = new CorrelationRule();
correlationRule.setName((String) value.get("name"));
correlationRule.setRid((String) value.get("rid"));
correlationRule.setDescription((String) value.get("description"));
correlationRule.setEnabled((Integer) value.get("enable"));
correlationRule.setTemplateID((Long) value.get("templateID"));
correlationRule.setEngineID((String) value.get("engineID"));
correlationRule.setEngineType((String) value.get("engineType"));
correlationRule.setCreator((String) value.get("creator"));
correlationRule.setCreateTime((Date) value.get("createTime"));
correlationRule.setModifier((String) value.get("updator"));
correlationRule.setUpdateTime((Date) value.get("updateTime"));
correlationRule.setParams((Properties) value.get("params"));
correlationRule.setContent((String) value.get("content"));
correlationRule.setVendor((String) value.get("vendor"));
correlationRule.setPackageName((String) value.get("package"));
correlationRule.setClosedControlLoopName((String) value.get("ctrlloop"));
correlationRule.setEngineInstance((String) value.get("engineInstance"));
return correlationRule;
}
private String getWhereStrByRequestEntity(RuleQueryCondition ruleQueryCondition) throws CorrelationException {
try {
Class clazz = ruleQueryCondition.getClass();
Field[] fields = clazz.getDeclaredFields();
String whereSql = " WHERE ";
for (Field field : fields) {
// Jacoco will cause an exception when calculating the coverage of the UT
// Remove this if jacoco solves this problem in the future
if (field.getName().contains("jacoco")) {
continue;
}
PropertyDescriptor pd = new PropertyDescriptor(field.getName(),
clazz);
Method getMethod = pd.getReadMethod();
Object o = getMethod.invoke(ruleQueryCondition);
if (o != null) {
String tempName = field.getName();
if ("enabled".equals(tempName)) {
int enabled = (int) o;
if (enabled != RuleMgtConstant.STATUS_RULE_ALL) {
whereSql = whereSql + "enable =" + enabled;
whereSql += " AND ";
}
} else if ("name".equals(tempName)) {
if (!"".equals(o.toString().trim())) {
whereSql = whereSql + field.getName() + " like '%" + o + "%' AND ";
}
} else if (!"".equals(o.toString().trim())) {
whereSql = whereSql + field.getName() + "='" + o + "' AND ";
}
}
}
whereSql = whereSql.trim();
if(!"WHERE".equals(whereSql)){
return whereSql.substring(0, whereSql.length() - "AND".length());
}
return "";
} catch (Exception e) {
throw new CorrelationException("An error occurred while building the query SQL.", e);
}
}
}
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