128 lines
3.0 KiB
Plaintext
128 lines
3.0 KiB
Plaintext
/*
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* Copyright 2010 JBoss Inc
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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Original source
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https://github.com/droolsjbpm/drools/blob/master/drools-examples/
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http://docs.jboss.org/drools/
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*/
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package com.example.ace
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import java.math.BigDecimal
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import function my.package.Foo.hello
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declare FactType
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@author( Bob )
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id : String
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name : String @maxLength(100) @notnull
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value : BigDecimal
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end
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declare FactType2 extends AnotherType
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end
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declare trait TraitType extends com.package.AnotherType
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end
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declare trait GoldenCustomer
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balance : long @Alias( "org.acme.foo.accountBalance" )
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end
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global org.slf4j.Logger logger
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/**
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* @param name who we'll salute?
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*/
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function String hello(String name) {
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return "Hello "+name+"!";
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}
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rule "Trim all strings"
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dialect "java"
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no-loop
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when // fdsfds
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$s : String(a == null || == "empty", $g : size)
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Cheese( name matches "(Buffalo)?\\S*Mozarella" )
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CheeseCounter( cheeses contains $var ) // contains with a variable
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CheeseCounter( cheese memberof $matureCheeses )
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Cheese( name soundslike 'foobar' )
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Message( routingValue str[startsWith] "R1" )
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Cheese( name in ( "stilton", "cheddar", $cheese ) )
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Person( eval( age == girlAge + 2 ), sex = 'M' )
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then
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/**
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* TODO There mus be better way
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*/
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retract($s);
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String a = "fd";
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a.toString();
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insert($s.trim());
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end
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query isContainedIn( String x, String y )
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Location( x, y; )
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or
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( Location( z, y; ) and isContainedIn( x, z; ) )
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end
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rule "go" salience 10
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when
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$s : String( )
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then
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System.out.println( $s );
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end
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rule "When all English buses are not red"
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when
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not(forall( $bus : Bus( nationality == 'english')
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Bus( this == $bus, color = 'red' ) ))
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then
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// What if all english buses are not red?
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end
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rule "go1"
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when
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String( this == "go1" )
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isContainedIn("Office", "House"; )
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then
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System.out.println( "office is in the house" );
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end
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rule "go2"
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when
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String( this == "go2" )
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isContainedIn("Draw", "House"; )
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then
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System.out.println( "Draw in the House" );
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end
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/**
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* Go Right
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*/
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rule GoRight dialect "mvel" salience (Math.abs( $df.colDiff )) when
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$df : DirectionDiff(colDiff > 0 )
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$target : Cell( row == $df.row, col == ($df.col + 1) )
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CellContents( cell == $target, cellType != CellType.WALL )
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not Direction(character == $df.fromChar, horizontal == Direction.RIGHT )
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then
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System.out.println( "monster right" );
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retract( $df );
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insert( new Direction($df.fromChar, Direction.RIGHT, Direction.NONE ) );
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end
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