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/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* 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.drools.examples.backwardchaining;
import org.drools.examples.backwardchaining.Location;
dialect "mvel"
query isContainedIn( String x, String y )
Location( x, y; )
or
( Location( z, y; ) and isContainedIn( x, z; ) )
end
rule "go" salience 10
when
$s : String( )
then
System.out.println( $s );
end
rule "go1"
when
String( this == "go1" )
isContainedIn("Office", "House"; )
then
System.out.println( "office is in the house" );
end
rule "go2"
when
String( this == "go2" )
isContainedIn("Draw", "House"; )
then
System.out.println( "Draw in the House" );
end
rule "go3"
when
String( this == "go3" )
isContainedIn("Key", "Office"; )
then
System.out.println( "Key in the Office" );
end
rule "go4"
when
String( this == "go4" )
isContainedIn(thing, "Office"; )
then
System.out.println( "thing " + thing + " is in the Office" );
end
rule "go5"
when
String( this == "go5" )
isContainedIn(thing, location; )
then
System.out.println( "thing " + thing + " is in " + location );
end