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added circles validation in BaseRuleChainService

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YevhenBondarenko 2020-10-23 17:16:08 +03:00 committed by Andrew Shvayka
parent b9cc400a15
commit 174570610b
1 changed files with 28 additions and 0 deletions
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28
dao/src/main/java/org/thingsboard/server/dao/rule/BaseRuleChainService.java
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@ -17,6 +17,7 @@ package org.thingsboard.server.dao.rule;
import com.google.common.util.concurrent.ListenableFuture;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@ -38,6 +39,7 @@ import org.thingsboard.server.common.data.rule.RuleChainMetaData;
import org.thingsboard.server.common.data.rule.RuleNode;
import org.thingsboard.server.dao.entity.AbstractEntityService;
import org.thingsboard.server.dao.exception.DataValidationException;
import org.thingsboard.server.dao.exception.IncorrectParameterException;
import org.thingsboard.server.dao.service.DataValidator;
import org.thingsboard.server.dao.service.PaginatedRemover;
import org.thingsboard.server.dao.service.Validator;
@ -123,6 +125,10 @@ public class BaseRuleChainService extends AbstractEntityService implements RuleC
return null;
}
if (CollectionUtils.isNotEmpty(ruleChainMetaData.getConnections())) {
validateCircles(ruleChainMetaData.getConnections());
}
List<RuleNode> nodes = ruleChainMetaData.getNodes();
List<RuleNode> toAddOrUpdate = new ArrayList<>();
List<RuleNode> toDelete = new ArrayList<>();
@ -205,6 +211,28 @@ public class BaseRuleChainService extends AbstractEntityService implements RuleC
return loadRuleChainMetaData(tenantId, ruleChainMetaData.getRuleChainId());
}
private void validateCircles(List<NodeConnectionInfo> connectionInfos) {
Map<Integer, List<Integer>> connectionsMap = new HashMap<>();
for (NodeConnectionInfo nodeConnection : connectionInfos) {
connectionsMap
.computeIfAbsent(nodeConnection.getFromIndex(), from -> new ArrayList<>())
.add(nodeConnection.getToIndex());
}
connectionsMap.keySet().forEach(key -> validateCircles(key, connectionsMap.get(key), connectionsMap));
}
private void validateCircles(int from, List<Integer> toList, Map<Integer, List<Integer>> connectionsMap) {
if (toList == null) {
return;
}
for (Integer to : toList) {
if (from == to) {
throw new IncorrectParameterException("Can't create circling relations in rule chain.");
}
validateCircles(from, connectionsMap.get(to), connectionsMap);
}
}
@Override
public RuleChainMetaData loadRuleChainMetaData(TenantId tenantId, RuleChainId ruleChainId) {
Validator.validateId(ruleChainId, "Incorrect rule chain id.");