Logic for inheritance in DynamicValue added

@@ -16,18 +16,28 @@
 package org.thingsboard.server.common.data.query;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
+import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.Getter;
 
 @Data
+@AllArgsConstructor
 public class DynamicValue<T> {
 
     @JsonIgnore
     private T resolvedValue;
 
+    public DynamicValue(DynamicValueSourceType sourceType, String sourceAttribute) {
+        this.sourceAttribute = sourceAttribute;
+        this.sourceType = sourceType;
+        this.useInherit = false;
+    }
+
     @Getter
     private final DynamicValueSourceType sourceType;
     @Getter
     private final String sourceAttribute;
+    @Getter
+    private final boolean useInherit;
 
 }

@@ -393,6 +393,9 @@ class AlarmRuleState {
                     break;
                 case CURRENT_CUSTOMER:
                     ekv = dynamicPredicateValueCtx.getCustomerValue(value.getDynamicValue().getSourceAttribute());
+                    if(ekv == null && value.getDynamicValue().getUseInherit()) {
+                        ekv = dynamicPredicateValueCtx.getTenantValue(value.getDynamicValue().getSourceAttribute());
+                    }
                     break;
                 case CURRENT_DEVICE:
                     ekv = data.getValue(new EntityKey(EntityKeyType.ATTRIBUTE, value.getDynamicValue().getSourceAttribute()));
@@ -405,6 +408,12 @@ class AlarmRuleState {
                             }
                         }
                     }
+                    if(ekv == null && value.getDynamicValue().getUseInherit()) {
+                        ekv = dynamicPredicateValueCtx.getCustomerValue(value.getDynamicValue().getSourceAttribute());
+                        if(ekv == null) {
+                            ekv = dynamicPredicateValueCtx.getTenantValue(value.getDynamicValue().getSourceAttribute());
+                        }
+                    }
             }
         }
         return ekv;