Package org.mvel2.integration

Examples of org.mvel2.integration.VariableResolverFactory

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                        Declaration[] innerDeclarations,
                        WorkingMemory workingMemory) throws Exception {
        Object[]  localVars = ((MVELAccumulatorContext) context).getVariables();
        MVELAccumulatorFactoryContext factoryContext = (MVELAccumulatorFactoryContext)workingMemoryContext;
       
        VariableResolverFactory factory = factoryContext.getActionFactory();
        DroolsVarFactory df = ( DroolsVarFactory ) factory.getNextFactory();
       
        Object[] vars = ((MVELAccumulatorContext) context).getShadow().remove( handle.getId() );
        for ( int i = 0; i < df.getOtherVarsPos(); i++ ) {
            factory.getIndexedVariableResolver( i ).setValue(vars[i]); 
        }

        if ( localVars.length > 0 ) {
            for ( int i = 0; i < df.getOtherVarsLength(); i++ ) {
                factory.getIndexedVariableResolver( df.getOtherVarsPos() + i ).setValue( localVars[i] );
            }
        }
       

//        reverseUnit.updateFactory( null, null, handle.getObject(), (LeftTuple) leftTuple, localVars, (InternalWorkingMemory) workingMemory, workingMemory.getGlobalResolver(), factory  );       
       


        MVEL.executeExpression( this.reverse,
                                null,
                                factory );
       
        if ( localVars.length > 0 ) {
            for ( int i = 0; i < df.getOtherVarsLength(); i++ ) {
                localVars[i] = factory.getIndexedVariableResolver( df.getOtherVarsPos() + i ).getValue();
            }
        }
       
        ((MVELAccumulatorContext) context).setVariables( localVars );        
    }
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                            Declaration[] declarations,
                            WorkingMemory workingMemory) throws Exception {
        Object[]  localVars = ((MVELAccumulatorContext) context).getVariables();
       
        MVELAccumulatorFactoryContext factoryContext = (MVELAccumulatorFactoryContext)workingMemoryContext;
        VariableResolverFactory factory = factoryContext.getResultFactory();
        resultUnit.updateFactory( null, null, null, (LeftTuple) leftTuple, localVars, (InternalWorkingMemory) workingMemory, workingMemory.getGlobalResolver(), factory  );       

        final Object result = MVEL.executeExpression( this.result,
                                                      null,
                                                      factory );
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    }
   
    public VariableResolverFactory createFactory() {
        Object[] vals = new Object[inputIdentifiers.length];

        VariableResolverFactory factory = varModel.createFactory( vals );
        DroolsVarFactory df = new  DroolsVarFactory();
        factory.setNextFactory( df );      
        return factory;
    }
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                                              final Object rightObject,
                                              final LeftTuple tuples,
                                              final Object[] otherVars,
                                              final InternalWorkingMemory workingMemory,
                                              final GlobalResolver globals) {
        VariableResolverFactory factory = createFactory();
        updateFactory(knowledgeHelper, prevDecl, rule, rightObject, tuples, otherVars, workingMemory, globals, factory);
        return factory;
    }
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    public boolean getValue(final Tuple tuple,
                            final Declaration[] declrs,
                            final Rule rule,
                            final WorkingMemory workingMemory) {
        VariableResolverFactory factory = unit.getFactory( null, declrs,
                                                           rule, null, (LeftTuple) tuple, null, (InternalWorkingMemory) workingMemory, workingMemory.getGlobalResolver()  );

        // do we have any functions for this namespace?
        Package pkg = workingMemory.getRuleBase().getPackage( "MAIN" );
        if ( pkg != null ) {
            MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData( this.id );
            factory.setNextFactory( data.getFunctionFactory() );
        }

        return ((Boolean) MVEL.executeExpression( this.expr,
                                                  null,
                                                  factory )).booleanValue();
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    }

    public int getValue(final KnowledgeHelper khelper,
                        final Rule rule,
                        final WorkingMemory workingMemory) {
        VariableResolverFactory factory = unit.getFactory( khelper,  ((AgendaItem)khelper.getMatch()).getRuleTerminalNode().getSalienceDeclarations(),
                                                           rule, null, (LeftTuple) khelper.getMatch().getTuple(), null, (InternalWorkingMemory) workingMemory, workingMemory.getGlobalResolver() );
       
        // do we have any functions for this namespace?
        Package pkg = workingMemory.getRuleBase().getPackage( "MAIN" );
        if ( pkg != null ) {
            MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData( this.id );
            factory.setNextFactory( data.getFunctionFactory() );
        }

        return ((Number) MVEL.executeExpression( this.expr,
                                                 factory )).intValue();
    }
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        if (compilationUnit == null) {
            Map<String, Object> vars = valuesAsMap(handle.getObject(), workingMemory, leftTuple, declarations);
            return evaluate(statement, handle, vars);
        }

        VariableResolverFactory factory = compilationUnit.createFactory();
        compilationUnit.updateFactory( null, null, handle,
                                       leftTuple, null, workingMemory,
                                       workingMemory.getGlobalResolver(),
                                       factory );
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    }

    public void evaluate(final KnowledgeHelper knowledgeHelper,
                         final WorkingMemory workingMemory) throws Exception {
       
        VariableResolverFactory factory = unit.getFactory( knowledgeHelper,  ((AgendaItem)knowledgeHelper.getMatch()).getTerminalNode().getDeclarations(),
                                                           knowledgeHelper.getRule(), (LeftTuple) knowledgeHelper.getTuple(), null, (InternalWorkingMemory) workingMemory, workingMemory.getGlobalResolver()  );
       
        // do we have any functions for this namespace?
        InternalKnowledgePackage pkg = workingMemory.getKnowledgeBase().getPackage( "MAIN" );
        if ( pkg != null ) {
            MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData( this.id );
            factory.setNextFactory( data.getFunctionFactory() );
        }

        CompiledExpression compexpr = (CompiledExpression) this.expr;

        if ( MVELDebugHandler.isDebugMode() ) {
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                     Declaration[] declarations,
                     WorkingMemory workingMemory) throws Exception {
        Object[] localVars = new Object[initUnit.getOtherIdentifiers().length];
       
        MVELAccumulatorFactoryContext factoryContext = (MVELAccumulatorFactoryContext)workingMemoryContext;
        VariableResolverFactory factory = factoryContext.getInitFactory();
        initUnit.updateFactory( null, null, null, (LeftTuple) leftTuple, localVars, (InternalWorkingMemory) workingMemory, workingMemory.getGlobalResolver(), factory  );

        InternalKnowledgePackage pkg = workingMemory.getKnowledgeBase().getPackage( "MAIN" );
        if ( pkg != null ) {
            MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData( "mvel" );
            factory.setNextFactory( data.getFunctionFactory() );
        }

        MVELSafeHelper.getEvaluator().executeExpression( this.init,
                                null,
                                factory );
       
       
        DroolsVarFactory df = ( DroolsVarFactory ) factory.getNextFactory();
        if ( localVars.length > 0 ) {
            for ( int i = 0; i < df.getOtherVarsLength(); i++ ) {
                localVars[i] = factory.getIndexedVariableResolver( df.getOtherVarsPos() + i ).getValue();
            }
        }
       
        ((MVELAccumulatorContext) context).setVariables( localVars );
    }
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                           Declaration[] declarations,
                           Declaration[] innerDeclarations,
                           WorkingMemory workingMemory) throws Exception {
        Object[]  localVars = ((MVELAccumulatorContext) context).getVariables();
        MVELAccumulatorFactoryContext factoryContext = (MVELAccumulatorFactoryContext)workingMemoryContext;
        VariableResolverFactory factory = factoryContext.getActionFactory();
        actionUnit.updateFactory( null, null, handle, (LeftTuple) leftTuple, localVars, (InternalWorkingMemory) workingMemory, workingMemory.getGlobalResolver(), factory  );

        DroolsVarFactory df = ( DroolsVarFactory ) factory.getNextFactory();
       
        if ( reverse != null ) {
            Object[] shadow = new Object [df.getOtherVarsPos()];
            for ( int i = 0; i < df.getOtherVarsPos(); i++ ) {
                shadow[i] = factory.getIndexedVariableResolver( i ).getValue();
               
               
            }
            // SNAPSHOT variable values
            ((MVELAccumulatorContext) context).getShadow().put( handle.getId(), shadow);
        }
        MVELSafeHelper.getEvaluator().executeExpression( this.action,
                                null,
                                factory );
       
       
        if ( localVars.length > 0 ) {
            for ( int i = 0; i < df.getOtherVarsLength(); i++ ) {
                localVars[i] = factory.getIndexedVariableResolver( df.getOtherVarsPos() + i ).getValue();
            }
        }
       
        ((MVELAccumulatorContext) context).setVariables( localVars );       
    }
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