package org.drools.test;

import org.drools.*;
import org.drools.compiler.PackageBuilder;
import org.junit.Test;

import java.io.*;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;

public class DroolsTest {

    public static class Person {
        public Person(String name, Integer age, Collection<Person> kids) {
            this.name = name;
            this.age = age;
            this.kids = kids;
        }

        private String name;

        private Integer age;

        private Collection<Person> kids;

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public Integer getAge() {
            return age;
        }

        public void setAge(Integer age) {
            this.age = age;
        }

        public Collection<Person> getKids() {
            return kids;
        }

        public void setKids(Collection<Person> kids) {
            this.kids = kids;
        }
    }

    @Test
    public void testAccumulateReverseModifyInsertLogical3() throws Exception {
        PackageBuilder builder = new PackageBuilder();
        builder.addPackageFromDrl(new InputStreamReader(getClass().getResourceAsStream("drools_test.drl")));
        RuleBase rb = RuleBaseFactory.newRuleBase();
        rb.addPackages(builder.getPackages());
        StatelessSession ss = rb.newStatelessSession();
        ss.execute(new Object[]{
                new Person("John", 20, Arrays.asList(
                        new Person("John Jr 1st", 10, Arrays.asList(new Person("John Jr Jr", 4, Collections.<Person>emptyList()))),
                        new Person("John Jr 2nd", 8, Collections.<Person>emptyList())))
                , new Person("Jeff", 30, Arrays.asList(
                new Person("Jeff Jr 1st", 10, Collections.<Person>emptyList()),
                new Person("Jeff Jr 2nd", 8, Collections.<Person>emptyList())))
        });
    }
}