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| /* |
| * Copyright 2010 JBoss Inc |
| * |
| * Licensed 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. |
| */ |
| |
| /* |
| Original source |
| https://github.com/droolsjbpm/drools/blob/master/drools-examples/ |
| http://docs.jboss.org/drools/ |
| */ |
| package com.example.ace |
| |
| import java.math.BigDecimal |
| import function my.package.Foo.hello |
| |
| declare FactType |
| @author( Bob ) |
| id : String |
| name : String @maxLength(100) @notnull |
| |
| value : BigDecimal |
| end |
| |
| declare FactType2 extends AnotherType |
| end |
| |
| declare trait TraitType extends com.package.AnotherType |
| end |
| |
| |
| declare trait GoldenCustomer |
| balance : long @Alias( "org.acme.foo.accountBalance" ) |
| end |
| |
| global org.slf4j.Logger logger |
| |
| /** |
| * @param name who we'll salute? |
| */ |
| function String hello(String name) { |
| return "Hello "+name+"!"; |
| } |
| |
| rule "Trim all strings" |
| dialect "java" |
| no-loop |
| when // fdsfds |
| $s : String(a == null || == "empty", $g : size) |
| Cheese( name matches "(Buffalo)?\\S*Mozarella" ) |
| CheeseCounter( cheeses contains $var ) // contains with a variable |
| CheeseCounter( cheese memberof $matureCheeses ) |
| Cheese( name soundslike 'foobar' ) |
| Message( routingValue str[startsWith] "R1" ) |
| Cheese( name in ( "stilton", "cheddar", $cheese ) ) |
| Person( eval( age == girlAge + 2 ), sex = 'M' ) |
| then |
| /** |
| * TODO There mus be better way |
| */ |
| retract($s); |
| String a = "fd"; |
| a.toString(); |
| |
| insert($s.trim()); |
| end |
| |
| 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 "When all English buses are not red" |
| when |
| not(forall( $bus : Bus( nationality == 'english') |
| Bus( this == $bus, color = 'red' ) )) |
| then |
| // What if all english buses are not red? |
| 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 |
| |
| /** |
| * Go Right |
| */ |
| rule GoRight dialect "mvel" salience (Math.abs( $df.colDiff )) when |
| $df : DirectionDiff(colDiff > 0 ) |
| $target : Cell( row == $df.row, col == ($df.col + 1) ) |
| CellContents( cell == $target, cellType != CellType.WALL ) |
| not Direction(character == $df.fromChar, horizontal == Direction.RIGHT ) |
| then |
| System.out.println( "monster right" ); |
| retract( $df ); |
| insert( new Direction($df.fromChar, Direction.RIGHT, Direction.NONE ) ); |
| end |
