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Fix NPE in TbGetTelemetryNode

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This commit is contained in:
Igor Kulikov 2019-02-14 12:30:48 +02:00
parent ea31dcc7d5
commit fa174f3c8d
1 changed files with 6 additions and 0 deletions
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6
rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/metadata/TbGetTelemetryNode.java
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@ -24,6 +24,7 @@ import com.google.common.util.concurrent.ListenableFuture;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.math.NumberUtils;
import org.thingsboard.rule.engine.api.RuleNode;
import org.thingsboard.rule.engine.api.TbContext;
@ -66,6 +67,8 @@ import static org.thingsboard.server.common.data.kv.Aggregation.NONE;
configDirective = "tbEnrichmentNodeGetTelemetryFromDatabase")
public class TbGetTelemetryNode implements TbNode {
private static final String DESC_ORDER = "DESC";
private TbGetTelemetryNodeConfiguration config;
private List<String> tsKeyNames;
private int limit;
@ -80,6 +83,9 @@ public class TbGetTelemetryNode implements TbNode {
limit = config.getFetchMode().equals(FETCH_MODE_ALL) ? MAX_FETCH_SIZE : 1;
fetchMode = config.getFetchMode();
orderBy = config.getOrderBy();
if (StringUtils.isEmpty(orderBy)) {
orderBy = DESC_ORDER;
}
mapper = new ObjectMapper();
mapper.configure(JsonGenerator.Feature.QUOTE_FIELD_NAMES, false);
mapper.configure(JsonParser.Feature.ALLOW_UNQUOTED_FIELD_NAMES, true);