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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 io.quarkus.it.kogito.drools;
unit AlertingService;

import org.drools.ruleunits.api.DataStream;
import org.drools.ruleunits.api.RuleUnitData


declare Event
   type:  String
   value: int
end

declare Alert
  severity: String
  message:  String
end

declare AlertingService extends RuleUnitData
   eventData: DataStream
   alertData: DataStream
end


rule IncomingEvent when
   // matches when a temperature higher than 30 °C is registered (OOPath syntax)
   $e : /eventData [ type == "temperature", value >= 30 ] 
then
   System.out.println("incoming event: "+ $e);
   alertData.append( new Alert( "warning", $e.toString() ) );
end

query Warnings
   alerts: /alertData [ severity == "warning" ]
end