Package org.drools

Examples of org.drools.Person$Nested1$Nested2

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                                                                          2 ), new Cheese( "stilton",
                                                                                           3 ), new Cheese( "brie",
                                                                                                            15 ), new Cheese( "brie",
                                                                                                                              17 ), new Cheese( "provolone",
                                                                                                                                                8 )};
        final Person bob = new Person( "Bob",
                                       "stilton" );

        final FactHandle[] cheeseHandles = new FactHandle[cheese.length];
        for ( int i = 0; i < cheese.length; i++ ) {
            cheeseHandles[i] = wm.insert( cheese[i] );
        }
        final FactHandle bobHandle = wm.insert( bob );

        // ---------------- 1st scenario
        wm.fireAllRules();
        // no fire, as per rule constraints
        Assert.assertEquals( 0,
                             results.size() );

        // ---------------- 2nd scenario
        final int index = 1;
        cheese[index].setPrice( 9 );
        wm.update( cheeseHandles[index],
                   cheese[index] );
        wm.fireAllRules();

        // 1 fire
        Assert.assertEquals( 1,
                             results.size() );
        Assert.assertEquals( 9,
                             ((Number) results.get( results.size() - 1 )).intValue() );

        // ---------------- 3rd scenario
        bob.setLikes( "brie" );
        wm.update( bobHandle,
                   bob );
        wm.fireAllRules();

        // 2 fires
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                                                                           2 ), new Cheese( "stilton",
                                                                                            5 ), new Cheese( "brie",
                                                                                                             15 ), new Cheese( "brie",
                                                                                                                               16 ), new Cheese( "provolone",
                                                                                                                                                 8 )};
        final Person bob = new Person( "Bob",
                                       "stilton" );
        final Person mark = new Person( "Mark",
                                        "provolone" );

        final FactHandle[] cheeseHandles = new FactHandle[cheese.length];
        for ( int i = 0; i < cheese.length; i++ ) {
            cheeseHandles[i] = wm.insert( cheese[i] );
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        WorkingMemory workingMemory = ruleBase.newStatefulSession();

        workingMemory.setGlobal( "list",
                                 new ArrayList() );

        final Person bob = new Person( "bob" );
        workingMemory.insert( bob );

        final byte[] wm = serializeOut( workingMemory );

        workingMemory = ruleBase.newStatefulSession( new ByteArrayInputStream( wm ) );

        assertEquals( 1,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );
        assertEquals( bob,
                      IteratorToList.convert( workingMemory.iterateObjects() ).get( 0 ) );

        assertEquals( 2,
                      workingMemory.getAgenda().agendaSize() );

        workingMemory.fireAllRules();

        final List list = (List) workingMemory.getGlobal( "list" );

        assertEquals( 3,
                      list.size() );
        // because of agenda-groups
        assertEquals( new Integer( 4 ),
                      list.get( 0 ) );

        assertEquals( 2,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );
        assertTrue( IteratorToList.convert( workingMemory.iterateObjects() ).contains( bob ) );
        assertTrue( IteratorToList.convert( workingMemory.iterateObjects() ).contains( new Person( "help" ) ) );
    }
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        ruleBase.addPackage( pkg );

        workingMemory.setGlobal( "list",
                                 new ArrayList() );

        final Person bob = new Person( "bob" );
        workingMemory.insert( bob );

        final Rule[] rules = ruleBase.getPackages()[0].getRules();

        assertEquals( 4,
                      rules.length );

        assertEquals( "match Person 1",
                      rules[0].getName() );
        assertEquals( "match Person 2",
                      rules[1].getName() );
        assertEquals( "match Person 3",
                      rules[2].getName() );
        assertEquals( "match Integer",
                      rules[3].getName() );

        assertEquals( 1,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );
        assertEquals( bob,
                      IteratorToList.convert( workingMemory.iterateObjects() ).get( 0 ) );

        assertEquals( 2,
                      workingMemory.getAgenda().agendaSize() );

        workingMemory.fireAllRules();

        final List list = (List) workingMemory.getGlobal( "list" );

        assertEquals( 3,
                      list.size() );
        // because of agenda-groups
        assertEquals( new Integer( 4 ),
                      list.get( 0 ) );

        assertEquals( 2,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );
        assertTrue( IteratorToList.convert( workingMemory.iterateObjects() ).contains( bob ) );
        assertTrue( IteratorToList.convert( workingMemory.iterateObjects() ).contains( new Person( "help" ) ) );

    }
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        ruleBase.addPackage( pkg );

        workingMemory.setGlobal( "list",
                                 new ArrayList() );

        final Person bob = new Person( "bob" );
        workingMemory.insert( bob );

        final Rule[] rules = ruleBase.getPackages()[0].getRules();

        assertEquals( 4,
                      rules.length );

        assertEquals( "match Person 1",
                      rules[0].getName() );
        assertEquals( "match Person 2",
                      rules[1].getName() );
        assertEquals( "match Person 3",
                      rules[2].getName() );
        assertEquals( "match Integer",
                      rules[3].getName() );

        assertEquals( 1,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );
        assertEquals( bob,
                      IteratorToList.convert( workingMemory.iterateObjects() ).get( 0 ) );

        assertEquals( 2,
                      workingMemory.getAgenda().agendaSize() );

        workingMemory.fireAllRules();

        final List list = (List) workingMemory.getGlobal( "list" );

        assertEquals( 3,
                      list.size() );
        // because of agenda-groups
        assertEquals( new Integer( 4 ),
                      list.get( 0 ) );

        assertEquals( 2,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );
        assertTrue( IteratorToList.convert( workingMemory.iterateObjects() ).contains( bob ) );
        assertTrue( IteratorToList.convert( workingMemory.iterateObjects() ).contains( new Person( "help" ) ) );
    }
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        ruleBase.addPackage( pkg );

        workingMemory.setGlobal( "list",
                                 new ArrayList() );

        final Person bob = new Person( "bob" );
        workingMemory.insert( bob );

        // serialise a hashmap with the RuleBase as a key, after WM population
        Map map = new HashMap();
        map.put( "x",
                 ruleBase );
        final byte[] ast = serializeOut( map );
        map = (Map) serializeIn( ast );
        ruleBase = (RuleBase) map.get( "x" );

        // now try serialising with a fully populated wm from a serialised rulebase
        final byte[] wm = serializeOut( workingMemory );
        workingMemory = ruleBase.newStatefulSession( new ByteArrayInputStream( wm ) );

        final Rule[] rules = ruleBase.getPackages()[0].getRules();

        assertEquals( 4,
                      rules.length );

        assertEquals( "match Person 1",
                      rules[0].getName() );
        assertEquals( "match Person 2",
                      rules[1].getName() );
        assertEquals( "match Person 3",
                      rules[2].getName() );
        assertEquals( "match Integer",
                      rules[3].getName() );

        assertEquals( 1,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );
        assertEquals( bob,
                      IteratorToList.convert( workingMemory.iterateObjects() ).get( 0 ) );

        assertEquals( 2,
                      workingMemory.getAgenda().agendaSize() );

        workingMemory.fireAllRules();

        final List list = (List) workingMemory.getGlobal( "list" );

        assertEquals( 3,
                      list.size() );
        // because of agenda-groups
        assertEquals( new Integer( 4 ),
                      list.get( 0 ) );

        assertEquals( 2,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );
        assertTrue( IteratorToList.convert( workingMemory.iterateObjects() ).contains( bob ) );
        assertTrue( IteratorToList.convert( workingMemory.iterateObjects() ).contains( new Person( "help" ) ) );
    }
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        InternalFactHandle stilton2 = (InternalFactHandle) session.insert( new Cheese( "stilton",
                                                                                       10 ) );
        InternalFactHandle brie2 = (InternalFactHandle) session.insert( new Cheese( "brie",
                                                                                    10 ) );
        InternalFactHandle bob = (InternalFactHandle) session.insert( new Person( "bob",
                                                                                  30 ) );
        session.fireAllRules();

        assertEquals( list.size(),
                      3 );
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        InternalFactHandle stilton1 = (InternalFactHandle) session.insert( new Cheese( "stilton",
                                                                                       10 ) );
        session.insert( new Cheese( "brie",
                                    10 ) );
        InternalFactHandle bob = (InternalFactHandle) session.insert( new Person( "bob",
                                                                                  10 ) );

        // fire rules
        session.fireAllRules();
        // check the results are correct
        assertEquals( 1,
                      results.size() );
        assertEquals( stilton1.getObject(),
                      results.get( 0 ) );

        // serialize session and rulebase out
        byte[] serializedSession = serializeOut( session );
        byte[] serializedRulebase = serializeOut( ruleBase );
        session.dispose();

        // now deserialize the rulebase, deserialize the session and test it
        ruleBase = (RuleBase) serializeIn( serializedRulebase );
        session = ruleBase.newStatefulSession( new ByteArrayInputStream( serializedSession ) );

        // dynamically add a new package
        builder = new PackageBuilder();
        builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_Dynamic3_0.drl" ) ) );
        pkg = serialisePackage( builder.getPackage() );
        ruleBase.addPackage( pkg );

        InternalFactHandle stilton2 = (InternalFactHandle) session.insert( new Cheese( "stilton",
                                                                                       20 ) );
        session.insert( new Cheese( "brie",
                                    20 ) );
        InternalFactHandle mark = (InternalFactHandle) session.insert( new Person( "mark",
                                                                                   20 ) );
        session.fireAllRules();

        results = (List) session.getGlobal( "results" );
        assertEquals( 4,
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        ruleBase.addPackage( pkg );
       
        InternalFactHandle stilton2 = (InternalFactHandle) session.insert( new Cheese( "stilton", 20 ) );
        InternalFactHandle brie2 = (InternalFactHandle) session.insert( new Cheese( "brie", 20 ) );
        InternalFactHandle bob1 = (InternalFactHandle) session.insert( new Person( "bob", 20 ) );
        InternalFactHandle bob2 = (InternalFactHandle) session.insert( new Person( "bob", 30 ) );
        session.fireAllRules();
        assertEquals( 4,
                      results.size() );
        assertEquals( stilton2.getObject(),
                      results.get( 1 ) );
        assertEquals( bob2.getObject(),
                      results.get( 2 ) );
        assertEquals( bob1.getObject(),
                      results.get( 3 ) );

        serializedSession = null;
        serializedRulebase = null;
       
        serializedSession = serializeOut( session );
        serializedRulebase = serializeOut( ruleBase );
       
        session.dispose();
       
        // now recreate the rulebase, deserialize the session and test it
        ruleBase = (RuleBase) serializeIn( serializedRulebase );
        session = ruleBase.newStatefulSession( new ByteArrayInputStream( serializedSession ) );
        results = (List) session.getGlobal( "results" );
       
        builder = new PackageBuilder();
        builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_Dynamic1_2.drl" ) ) );
        pkg = serialisePackage( builder.getPackage() );
        ruleBase.addPackage( pkg );
       
        InternalFactHandle stilton3 = (InternalFactHandle) session.insert( new Cheese( "stilton", 40 ) );
        InternalFactHandle brie3 = (InternalFactHandle) session.insert( new Cheese( "brie", 40 ) );
        InternalFactHandle bob3 = (InternalFactHandle) session.insert( new Person( "bob", 40 ) );
        InternalFactHandle bob4 = (InternalFactHandle) session.insert( new Person( "bob", 40 ) );
        InternalFactHandle addr1 = (InternalFactHandle) session.insert( new Address( "bangalore" ) );
        InternalFactHandle addr2 = (InternalFactHandle) session.insert( new Address( "India" ) );
       
        session.fireAllRules();
        assertEquals( 9,
                      results.size() );
        assertEquals( stilton3.getObject(),
                      results.get( 4 ) );
        assertEquals( bob4.getObject(),
                      results.get( 5 ) );
        assertEquals( bob3.getObject(),
                      results.get( 6 ) );
        assertEquals( addr2.getObject(),
                      results.get( 7 ) );
        assertEquals( addr1.getObject(),
                      results.get( 8 ) );

        serializedSession = null;
        serializedRulebase = null;
       
        serializedSession = serializeOut( session );
        serializedRulebase = serializeOut( ruleBase );
       
        session.dispose();
       
        // now recreate the rulebase, deserialize the session and test it
        ruleBase = (RuleBase) serializeIn( serializedRulebase );
        session = ruleBase.newStatefulSession( new ByteArrayInputStream( serializedSession ) );
        results = (List) session.getGlobal( "results" );
       
        InternalFactHandle stilton4 = (InternalFactHandle) session.insert( new Cheese( "stilton", 50 ) );
        InternalFactHandle brie4 = (InternalFactHandle) session.insert( new Cheese( "brie", 50 ) );
        InternalFactHandle bob5 = (InternalFactHandle) session.insert( new Person( "bob", 50 ) );
        InternalFactHandle bob6 = (InternalFactHandle) session.insert( new Person( "bob", 50 ) );
        InternalFactHandle addr3 = (InternalFactHandle) session.insert( new Address( "Tripura" ) );
        InternalFactHandle addr4 = (InternalFactHandle) session.insert( new Address( "Agartala" ) );
       
        session.fireAllRules();
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        ruleBase.addPackage( pkg );
       
        InternalFactHandle stilton2 = (InternalFactHandle) session.insert( new Cheese( "stilton", 20 ) );
        InternalFactHandle brie2 = (InternalFactHandle) session.insert( new Cheese( "brie", 20 ) );
        InternalFactHandle bob1 = (InternalFactHandle) session.insert( new Person( "bob", 20 ) );
        InternalFactHandle bob2 = (InternalFactHandle) session.insert( new Person( "bob", 30 ) );
        session.fireAllRules();
        assertEquals( 4,
                      results.size() );
        assertEquals( stilton2.getObject(),
                      results.get( 1 ) );
        assertEquals( bob2.getObject(),
                      results.get( 2 ) );
        assertEquals( bob1.getObject(),
                      results.get( 3 ) );

        serializedSession = null;
        serializedRulebase = null;
       
        serializedSession = serializeOut( session );
        serializedRulebase = serializeOut( ruleBase );
       
        session.dispose();
       
        // now recreate the rulebase, deserialize the session and test it
        ruleBase = (RuleBase) serializeIn( serializedRulebase );
        session = ruleBase.newStatefulSession( new ByteArrayInputStream( serializedSession ) );
        results = (List) session.getGlobal( "results" );
      
        // CASE 1: remove rule
        ruleBase.removeRule("org.drools.test", "like stilton");
       
        InternalFactHandle stilton3 = (InternalFactHandle) session.insert( new Cheese( "stilton", 20 ) );
        InternalFactHandle brie3 = (InternalFactHandle) session.insert( new Cheese( "brie", 20 ) );
        InternalFactHandle bob3 = (InternalFactHandle) session.insert( new Person( "bob", 20 ) );
        InternalFactHandle bob4 = (InternalFactHandle) session.insert( new Person( "bob", 30 ) );
        session.fireAllRules();
        assertEquals( 6,
                      results.size() );
        assertEquals( bob4.getObject(),
                      results.get( 4 ) );
        assertEquals( bob3.getObject(),
                      results.get( 5 ) );


        // now recreate the rulebase, deserialize the session and test it
        ruleBase = (RuleBase) serializeIn( serializedRulebase );
        session = ruleBase.newStatefulSession( new ByteArrayInputStream( serializedSession ) );
        results = (List) session.getGlobal( "results" );
      
        // CASE 2: remove pkg
        ruleBase.removePackage("org.drools.test");
       
        InternalFactHandle stilton4 = (InternalFactHandle) session.insert( new Cheese( "stilton", 20 ) );
        InternalFactHandle brie4 = (InternalFactHandle) session.insert( new Cheese( "brie", 20 ) );
        InternalFactHandle bob5 = (InternalFactHandle) session.insert( new Person( "bob", 20 ) );
        InternalFactHandle bob6 = (InternalFactHandle) session.insert( new Person( "bob", 30 ) );
        session.fireAllRules();
        assertEquals( 6,
                      results.size() );
        assertEquals( bob6.getObject(),
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