Examples with MapVariableResolverFactory org.mvel2.integration.impl.MapVariableResolverFactory used on opensource projects

Example 41 with MapVariableResolverFactory

use of org.mvel2.integration.impl.MapVariableResolverFactory in project drools by kiegroup.

the class JavaRuleBuilderHelper method generateMethodTemplate.

public static void generateMethodTemplate(final String ruleTemplate, final RuleBuildContext context, final Map vars) {
    TemplateRegistry registry = getRuleTemplateRegistry(context.getKnowledgeBuilder().getRootClassLoader());
    context.addMethod((String) TemplateRuntime.execute(registry.getNamedTemplate(ruleTemplate), null, new MapVariableResolverFactory(vars), registry));
}

Example 42 with MapVariableResolverFactory

use of org.mvel2.integration.impl.MapVariableResolverFactory in project drools by kiegroup.

the class AccumulateTemplateTest method testInvokerGenerationSinglePattern.

@Test
public void testInvokerGenerationSinglePattern() {
    final String className = "accumulate0";
    final String[] declarationTypes = new String[] { "String", "int" };
    final Declaration[] declarations = new Declaration[] { new Declaration("name", store.getReader(Person.class, "name"), null), new Declaration("age", store.getReader(Person.class, "age"), null) };
    final Declaration[] inner = new Declaration[] { new Declaration("cheese", new PatternExtractor(new ClassObjectType(Cheese.class)), null), new Declaration("price", store.getReader(Cheese.class, "price"), null) };
    final String[] globals = new String[] { "aGlobal", "anotherGlobal" };
    final List globalTypes = Arrays.asList(new String[] { "String", "String" });
    final Map map = new HashMap();
    map.put("className", StringUtils.ucFirst(className));
    map.put("instanceName", className);
    map.put("package", "org.drools");
    map.put("ruleClassName", "Rule0");
    map.put("invokerClassName", "Rule0" + StringUtils.ucFirst(className) + "Invoker");
    map.put("declarations", declarations);
    map.put("declarationTypes", declarationTypes);
    map.put("globals", globals);
    map.put("globalTypes", globalTypes);
    map.put("innerDeclarations", inner);
    map.put("attributes", new Attribute[] { new Attribute("int", "x") });
    map.put("initCode", "x = 0;");
    map.put("actionCode", "x += 1;");
    map.put("reverseCode", "");
    map.put("resultCode", "x + 10");
    map.put("supportsReverse", "false");
    map.put("resultType", Integer.class);
    map.put("hashCode", new Integer(10));
    map.put("isMultiPattern", Boolean.FALSE);
    TemplateRegistry registry = getInvokerTemplateRegistry();
    Object method = TemplateRuntime.execute(registry.getNamedTemplate("accumulateInvoker"), null, new MapVariableResolverFactory(map), registry);
// System.out.println( method );
}

Example 43 with MapVariableResolverFactory

use of org.mvel2.integration.impl.MapVariableResolverFactory in project drools by kiegroup.

the class AccumulateTemplateTest method testMethodGeneration.

@Test
public void testMethodGeneration() {
    final String className = "accumulate0";
    final String[] declarationTypes = new String[] { "String", "int" };
    final Declaration[] declarations = new Declaration[] { new Declaration("name", null, null), new Declaration("age", null, null) };
    final Declaration[] inner = new Declaration[] { new Declaration("cheese", new PatternExtractor(new ClassObjectType(Cheese.class)), null), new Declaration("price", store.getReader(Cheese.class, "price"), null) };
    final String[] globals = new String[] { "aGlobal", "anotherGlobal" };
    final List globalTypes = Arrays.asList(new String[] { "String", "String" });
    final Map map = new HashMap();
    map.put("className", StringUtils.ucFirst(className));
    map.put("instanceName", className);
    map.put("package", "org.drools");
    map.put("ruleClassName", "Rule0");
    map.put("invokerClassName", "Rule0" + StringUtils.ucFirst(className) + "Invoker");
    map.put("declarations", declarations);
    map.put("declarationTypes", declarationTypes);
    map.put("globals", globals);
    map.put("globalTypes", globalTypes);
    map.put("innerDeclarations", inner);
    map.put("attributes", new String[] { "x" });
    map.put("attributesTypes", new String[] { "int" });
    map.put("initCode", "x = 0;");
    map.put("actionCode", "x += 1;");
    map.put("reverseCode", "x -= 1;");
    map.put("resultCode", "x + 10");
    map.put("supportsReverse", "true");
    map.put("resultType", Integer.class);
    map.put("hashCode", new Integer(10));
    TemplateRegistry registry = getRuleTemplateRegistry();
    Object method = TemplateRuntime.execute(registry.getNamedTemplate("accumulateInnerClass"), null, new MapVariableResolverFactory(map), registry);
// System.out.println( method );
}

Example 44 with MapVariableResolverFactory

use of org.mvel2.integration.impl.MapVariableResolverFactory in project mvel by mikebrock.

the class ForNode method getReducedValueAccelerated.

public Object getReducedValueAccelerated(Object ctx, Object thisValue, VariableResolverFactory factory) {
    VariableResolverFactory ctxFactory = indexAlloc ? factory : new MapVariableResolverFactory(new HashMap<String, Object>(1), factory);
    Object v;
    for (initializer.getValue(ctx, thisValue, ctxFactory); (Boolean) condition.getValue(ctx, thisValue, ctxFactory); after.getValue(ctx, thisValue, ctxFactory)) {
        v = compiledBlock.getValue(ctx, thisValue, ctxFactory);
        if (ctxFactory.tiltFlag())
            return v;
    }
    return null;
}

Example 45 with MapVariableResolverFactory

use of org.mvel2.integration.impl.MapVariableResolverFactory in project mvel by mikebrock.

the class CompiledForEachNode method eval.

public Object eval(TemplateRuntime runtime, TemplateOutputStream appender, Object ctx, VariableResolverFactory factory) {
    Iterator[] iters = new Iterator[item.length];
    Object o;
    for (int i = 0; i < iters.length; i++) {
        if ((o = MVEL.executeExpression(ce[i], ctx, factory)) instanceof Iterable) {
            iters[i] = ((Iterable) o).iterator();
        } else if (o instanceof Object[]) {
            iters[i] = new ArrayIterator((Object[]) o);
        } else if (o instanceof Integer) {
            iters[i] = new CountIterator((Integer) o);
        } else {
            throw new TemplateRuntimeError("cannot iterate object type: " + o.getClass().getName());
        }
    }
    Map<String, Object> locals = new HashMap<String, Object>();
    MapVariableResolverFactory localFactory = new MapVariableResolverFactory(locals, factory);
    int iterate = iters.length;
    while (true) {
        for (int i = 0; i < iters.length; i++) {
            if (!iters[i].hasNext()) {
                iterate--;
                locals.put(item[i], "");
            } else {
                locals.put(item[i], iters[i].next());
            }
        }
        if (iterate != 0) {
            nestedNode.eval(runtime, appender, ctx, localFactory);
            if (sepExpr != null) {
                for (Iterator it : iters) {
                    if (it.hasNext()) {
                        appender.append(String.valueOf(MVEL.executeExpression(cSepExpr, ctx, factory)));
                        break;
                    }
                }
            }
        } else
            break;
    }
    return next != null ? next.eval(runtime, appender, ctx, factory) : null;
}