Package org.drools.common

Examples of org.drools.common.InternalFactHandle

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                    prevDecl =  this.previousDeclarations;
                }               

                for ( int j = 0, length = prevDecl.length; j < length; j++ ) {
                    Declaration decl = prevDecl[j];
                    InternalFactHandle handle = getFactHandle( decl,
                                                               handles );

                    Object o = decl.getValue( (InternalWorkingMemory) workingMemory,
                                              handle.getObject() );
                    if ( knowledgeHelper != null && decl.isPatternDeclaration() ) {
                        identityMap.put( o,
                                         handle );
                    }
                    factory.getIndexedVariableResolver( i++ ).setValue(  o );
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            StatefulSession session = ruleBase.newStatefulSession();
            List results = new ArrayList();
            session.setGlobal( "results", results );
           
            InternalFactHandle h1 = (InternalFactHandle) session.insert( new Person( "tom", 1 ) );
            InternalFactHandle h2 = (InternalFactHandle) session.insert( new Person( "fred", 2 ) );
            InternalFactHandle h3 = (InternalFactHandle) session.insert( new Person( "harry", 3 ) );
            InternalFactHandle h4 = (InternalFactHandle) session.insert( new Person( "fred", 4 ) );
            InternalFactHandle h5 = (InternalFactHandle) session.insert( new Person( "ed", 5 ) );
            InternalFactHandle h6 = (InternalFactHandle) session.insert( new Person( "tom", 6 ) );
            InternalFactHandle h7 = (InternalFactHandle) session.insert( new Person( "sreeni", 7 ) );
            InternalFactHandle h8 = (InternalFactHandle) session.insert( new Person( "jill", 8 ) );
            InternalFactHandle h9 = (InternalFactHandle) session.insert( new Person( "ed", 9 ) );
            InternalFactHandle h10 = (InternalFactHandle) session.insert( new Person( "tom", 10 ) );
           
            session.fireAllRules();
           
            assertEquals( 3, results.size() );
            assertTrue( results.contains( h1.getObject() ) );
            assertTrue( results.contains( h6.getObject() ) );
            assertTrue( results.contains( h10.getObject() ) );
            results.clear();

            PackageBuilder fredBuilder = new PackageBuilder();
            fredBuilder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_DynamicRulesFred.drl" ) ) );
            ruleBase.addPackage( fredBuilder.getPackage() );
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        StatefulSession session = ruleBase.newStatefulSession();
        List list = new ArrayList();
        session.setGlobal( "list", list );
       
        InternalFactHandle stilton = (InternalFactHandle) session.insert( new Cheese( "stilton", 10 ) );
        InternalFactHandle brie = (InternalFactHandle) session.insert( new Cheese( "brie", 10 ) );
        session.fireAllRules();
       
        assertEquals( list.size(), 1 );
        assertEquals( "stilton", list.get( 0 ));
       
        byte[] serializedSession = serializeOut( session );
        session.dispose();
       
        byte[] serializedRulebase = serializeOut( ruleBase );
       
        // now recreate the rulebase, deserialize the session and test it
        ruleBase = (RuleBase) serializeIn( serializedRulebase );
       
        session = ruleBase.newStatefulSession( new ByteArrayInputStream( serializedSession ) );
        list = (List) session.getGlobal( "list" );
       
        assertNotNull( list );
        assertEquals( list.size(), 1 );
        assertEquals( "stilton", list.get( 0 ));
       
        builder = new PackageBuilder();
        builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_Dynamic3.drl" ) ) );
        pkg = serialisePackage( builder.getPackage() );
        ruleBase.addPackage( pkg );
       
        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 );
        assertEquals( bob.getObject(), list.get( 1 ));
        assertEquals( "stilton", list.get( 2 ));
       
        session.dispose();
       
    }
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        final Cheese stilton = new Cheese( "stilton",
                                           10 );

        final Cheese cheddar = new Cheese( "cheddar",
                                           10 );
        final InternalFactHandle f0 = (InternalFactHandle) wm.insert( cheddar );
        final ReteTuple tuple = new ReteTuple( f0 );

        final PredicateContextEntry predicateContext = (PredicateContextEntry) predicate.createContextEntry();
        predicateContext.leftTuple = tuple;
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        final List list = new ArrayList();
        workingMemory.setGlobal( "results",
                                 list );

        workingMemory.insert( new FactA( "X" ) );
        InternalFactHandle b = (InternalFactHandle) workingMemory.insert( new FactB( "X" ) );

        workingMemory.fireAllRules();

        assertEquals( "should have fired",
                      2,
                      list.size() );
        assertTrue( list.contains( b.getObject() ) );
    }
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        StatefulSession session = ruleBase.newStatefulSession();
        List list = new ArrayList();
        session.setGlobal( "list",
                           list );

        InternalFactHandle stilton = (InternalFactHandle) session.insert( new Cheese( "stilton",
                                                                                      10 ) );
        InternalFactHandle brie = (InternalFactHandle) session.insert( new Cheese( "brie",
                                                                                   10 ) );
        session.fireAllRules();

        assertEquals( list.size(),
                      1 );
        assertEquals( "stilton",
                      list.get( 0 ) );

        byte[] serializedSession = serializeOut( session );
        session.dispose();

        byte[] serializedRulebase = serializeOut( ruleBase );

        // now recreate the rulebase, deserialize the session and test it
        ruleBase = (RuleBase) serializeIn( serializedRulebase );

        session = ruleBase.newStatefulSession( new ByteArrayInputStream( serializedSession ) );
        list = (List) session.getGlobal( "list" );

        assertNotNull( list );
        assertEquals( list.size(),
                      1 );
        assertEquals( "stilton",
                      list.get( 0 ) );

        builder = new PackageBuilder();
        builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_Dynamic3.drl" ) ) );
        pkg = serialisePackage( builder.getPackage() );
        ruleBase.addPackage( pkg );

        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 );
        assertEquals( bob.getObject(),
                      list.get( 1 ) );
        assertEquals( "stilton",
                      list.get( 2 ) );

        session.dispose();
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        List results = new ArrayList();
        StatefulSession session = ruleBase.newStatefulSession();
        session.setGlobal( "results",
                           results );

        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,
                      results.size() );
        assertEquals( bob.getObject(),
                      results.get( 1 ) );
        assertEquals( stilton2.getObject(),
                      results.get( 2 ) );
        assertEquals( mark.getObject(),
                      results.get( 3 ) );

        serializedSession = null;
        serializedRulebase = null;
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        List results = new ArrayList();
        StatefulSession session = ruleBase.newStatefulSession();
        session.setGlobal( "results",
                           results );

        InternalFactHandle stilton1 = (InternalFactHandle) session.insert( new Cheese( "stilton",
                                                                                       10 ) );
        InternalFactHandle brie1 = (InternalFactHandle) session.insert( new Cheese( "brie",
                                                                                    10 ) );
        session.fireAllRules();

        byte[] serializedSession = serializeOut( session );
        byte[] serializedRulebase = serializeOut( ruleBase );

        session.dispose();

        assertEquals( 1,
                      results.size() );
        assertEquals( stilton1.getObject(),
                      results.get( 0 ) );

        // 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_1.drl" ) ) );
        pkg = serialisePackage( builder.getPackage() );
        ruleBase.addPackage( pkg );
       
        InternalFactHandle stilton2 = (InternalFactHandle) session.insert( new Cheese( "stilton",
                                    20 ) );
        InternalFactHandle brie2 = (InternalFactHandle) session.insert( new Cheese( "brie",
                                    20 ) );
        InternalFactHandle brie3 = (InternalFactHandle) session.insert( new Cheese( "brie",
                                    30 ) );
        session.fireAllRules();
        assertEquals( 5,
                      results.size() );
        assertEquals( brie1.getObject(),
                      results.get( 1 ) );
        assertEquals( stilton2.getObject(),
                      results.get( 2 ) );
        assertEquals( brie2.getObject(),
                      results.get( 4 ) );
        assertEquals( brie3.getObject(),
                      results.get( 3 ) );

        serializedSession = null;
        serializedRulebase = null;
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        List results = new ArrayList();
        StatefulSession session = ruleBase.newStatefulSession();
        session.setGlobal( "results",
                           results );

        InternalFactHandle stilton1 = (InternalFactHandle) session.insert( new Cheese( "stilton",
                                                                                       10 ) );
        InternalFactHandle brie1 = (InternalFactHandle) session.insert( new Cheese( "brie",
                                                                                    10 ) );
        session.fireAllRules();

        byte[] serializedSession = serializeOut( session );
        byte[] serializedRulebase = serializeOut( ruleBase );

        session.dispose();

        assertEquals( 1,
                      results.size() );
        assertEquals( stilton1.getObject(),
                      results.get( 0 ) );

        // 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_Dynamic3_0.drl" ) ) );
        pkg = serialisePackage( builder.getPackage() );
       
        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();
        assertEquals( 14,
                      results.size() );
        assertEquals( stilton4.getObject(),
                      results.get( 9 ) );
        assertEquals( bob6.getObject(),
                      results.get( 10 ) );
        assertEquals( bob5.getObject(),
                      results.get( 11 ) );
        assertEquals( addr4.getObject(),
                      results.get( 12 ) );
        assertEquals( addr3.getObject(),
                      results.get( 13 ) );

        serializedSession = null;
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        List results = new ArrayList();
        StatefulSession session = ruleBase.newStatefulSession();
        session.setGlobal( "results",
                           results );

        InternalFactHandle stilton1 = (InternalFactHandle) session.insert( new Cheese( "stilton",
                                                                                       10 ) );
        InternalFactHandle brie1 = (InternalFactHandle) session.insert( new Cheese( "brie",
                                                                                    10 ) );
        session.fireAllRules();

        byte[] serializedSession = serializeOut( session );
        byte[] serializedRulebase = serializeOut( ruleBase );

        session.dispose();

        assertEquals( 1,
                      results.size() );
        assertEquals( stilton1.getObject(),
                      results.get( 0 ) );

        // 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_Dynamic3_0.drl" ) ) );
        pkg = serialisePackage( builder.getPackage() );
       
        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(),
                      results.get( 4 ) );
        assertEquals( bob5.getObject(),
                      results.get( 5 ) );
       
        serializedSession = null;
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