Examples of org.drools.RuleBase.newStatefulSession()

org.drools.RuleBase.newStatefulSession()
Create a new WorkingMemory session for this RuleBase. By default the RuleBase retains a weak reference to returned WorkingMemory.
The created WorkingMemory uses the default conflict resolution strategy.
@see WorkingMemory @see org.drools.conflict.DefaultConflictResolver @return A newly initialized WorkingMemory.IMPORTANT: when using the stateful session REMEMBER TO CALL dispose() when you are done with the session.

        PackageBuilder builder = new PackageBuilder();
        builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_Dynamic1.drl" ) ) );
        Package pkg = serialisePackage( builder.getPackage() );
        ruleBase.addPackage( pkg );
        
        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 ) );

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        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 ));

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                       localDeclarations,
                       predicate,
                       predicateDescr );


        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        final InternalWorkingMemory wm = (InternalWorkingMemory) ruleBase.newStatefulSession();


        final Cheese stilton = new Cheese( "stilton",
                                           10 );


        final Cheese cheddar = new Cheese( "cheddar",

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        final MVELEvalBuilder builder = new MVELEvalBuilder();
        final EvalCondition eval = (EvalCondition) builder.build( context,
                                                                  evalDescr );


        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        final WorkingMemory wm = ruleBase.newStatefulSession();


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

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        builder.addPackageFromDrl( reader );
        final Package pkg1 = serialisePackage( builder.getPackage() );


        final RuleBase ruleBase = getRuleBase();
        ruleBase.addPackage( pkg1 );
        final WorkingMemory workingMemory = ruleBase.newStatefulSession();
        workingMemory.setGlobal( "total",
                                 new Integer( 0 ) );


        final List list = new ArrayList();
        workingMemory.setGlobal( "list",

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        ruleBase.addPackage( pkg );
        final PackageBuilder builder2 = new PackageBuilder();
        builder2.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_Dynamic2.drl" ) ) );
        ruleBase.addPackage( serialisePackage( builder2.getPackage() ) );


        final WorkingMemory workingMemory = ruleBase.newStatefulSession();


        final List list = new ArrayList();
        workingMemory.setGlobal( "list",
                                 list );

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        final RuleBase ruleBase = getRuleBase();
        reteooRuleBase = (org.drools.reteoo.ReteooRuleBase) ruleBase;


        ruleBase.addPackage( pkg );


        final WorkingMemory workingMemory = ruleBase.newStatefulSession();


        if ( reteooRuleBase != null ) {
            assertEquals( 1,
                          reteooRuleBase.getPackages().length );
            assertEquals( 5,

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        //final Package pkg = serialisePackage( builder.getPackage() );
        final Package pkg = builder.getPackage();


        final RuleBase ruleBase = getRuleBase();
        ruleBase.addPackage( pkg );
        final WorkingMemory workingMemory = ruleBase.newStatefulSession();


        final List list = new ArrayList();
        workingMemory.setGlobal( "list",
                                 list );

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        final RuleBase ruleBase = getRuleBase();
        final String packageName = builder.getPackage().getName();
        ruleBase.addPackage( serialisePackage( builder.getPackage() ) );


        final WorkingMemory workingMemory = ruleBase.newStatefulSession();


        workingMemory.insert( new Precondition( "genericcode",
                                                "genericvalue" ) );
        workingMemory.fireAllRules();

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        ruleBaseWM.addPackage( serialisePackage( builder1.getPackage() ) );
    }


    public void testDynamicRules() throws Exception {
        final RuleBase ruleBase = getRuleBase();
        final WorkingMemory workingMemory = ruleBase.newStatefulSession();
        final Cheese a = new Cheese( "stilton",
                                     10 );
        final Cheese b = new Cheese( "stilton",
                                     15 );
        final Cheese c = new Cheese( "stilton",

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