Examples with CompiledExpression org.mule.mvel2.compiler.CompiledExpression used on opensource projects

Example 21 with CompiledExpression

use of org.mule.mvel2.compiler.CompiledExpression in project drools by kiegroup.

the class ResultVerifier method isSuccess.

protected Boolean isSuccess(VerifyField currentField) {
    String s = "__fact__." + currentField.getFieldName() + " " + currentField.getOperator() + " __expected__";
    CompiledExpression expression = new ExpressionCompiler(s, parserContext).compile();
    return (Boolean) MVELSafeHelper.getEvaluator().executeExpression(expression, variables);
}

Example 22 with CompiledExpression

use of org.mule.mvel2.compiler.CompiledExpression in project drools by kiegroup.

the class MVELDebugTest method testDebug.

@Test
public void testDebug() throws Exception {
    String rule = "package com.sample; dialect \"mvel\" rule myRule when then\n System.out.println( \"test\" ); end";
    KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl();
    DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
    PackageDescr packageDescr = parser.parse(null, rule);
    RuleDescr ruleDescr = packageDescr.getRules().get(0);
    builder = new KnowledgeBuilderImpl();
    builder.addPackage(packageDescr);
    InternalKnowledgePackage pkg = builder.getPackage("com.sample");
    MVELConsequence consequence = (MVELConsequence) pkg.getRule("myRule").getConsequence();
    String sourceName = ((CompiledExpression) consequence.getCompExpr()).getSourceName();
    System.out.println(sourceName);
    String ruleName = ruleDescr.getNamespace() + "." + ruleDescr.getClassName();
    System.out.println(ruleName);
    assertEquals(sourceName, ruleName);
}

Example 23 with CompiledExpression

use of org.mule.mvel2.compiler.CompiledExpression in project drools by kiegroup.

the class ConditionAnalyzer method analyzeNodeAccessor.

private Expression analyzeNodeAccessor(Accessor accessor, ASTNode node) {
    AccessorNode accessorNode;
    if (accessor instanceof DynamicGetAccessor) {
        accessorNode = (AccessorNode) ((DynamicGetAccessor) accessor).getSafeAccessor();
    } else if (accessor instanceof AccessorNode) {
        accessorNode = (AccessorNode) accessor;
    } else if (accessor instanceof CompiledExpression) {
        return analyzeNode(((CompiledExpression) accessor).getFirstNode());
    } else if (accessor instanceof ListCreator) {
        return analyzeListCreation(((ListCreator) accessor));
    } else if (accessor instanceof ArrayCreator) {
        return analyzeArrayCreation(((ArrayCreator) accessor));
    } else {
        throw new RuntimeException("Unknown accessor type: " + accessor);
    }
    if (accessorNode instanceof VariableAccessor) {
        if (isStaticAccessor(accessorNode)) {
            while (accessorNode instanceof VariableAccessor) {
                accessorNode = accessorNode.getNextNode();
            }
        } else {
            return analyzeNodeAccessor(accessorNode, node);
        }
    }
    while (accessorNode instanceof StaticReferenceAccessor) {
        StaticReferenceAccessor staticReferenceAccessor = ((StaticReferenceAccessor) accessorNode);
        Object literal = staticReferenceAccessor.getLiteral();
        accessorNode = accessorNode.getNextNode();
        if (accessorNode == null) {
            return new FixedExpression(literal.getClass(), literal);
        }
    }
    return analyzeExpressionNode(accessorNode, node, null);
}

Example 24 with CompiledExpression

use of org.mule.mvel2.compiler.CompiledExpression in project drools by kiegroup.

the class MvelConstraint method createMvelConditionEvaluator.

protected ConditionEvaluator createMvelConditionEvaluator(InternalWorkingMemory workingMemory) {
    if (compilationUnit != null) {
        MVELDialectRuntimeData data = getMVELDialectRuntimeData(workingMemory);
        ExecutableStatement statement = (ExecutableStatement) compilationUnit.getCompiledExpression(data, evaluationContext);
        ParserConfiguration configuration = statement instanceof CompiledExpression ? ((CompiledExpression) statement).getParserConfiguration() : data.getParserConfiguration();
        return new MvelConditionEvaluator(compilationUnit, configuration, statement, declarations, operators, getAccessedClass());
    } else {
        return new MvelConditionEvaluator(getParserConfiguration(workingMemory), expression, declarations, operators, getAccessedClass());
    }
}

Example 25 with CompiledExpression

use of org.mule.mvel2.compiler.CompiledExpression in project mvel by mvel.

the class CoreConfidenceTests method testJIRA168.

public void testJIRA168() {
    boolean before = MVEL.COMPILER_OPT_ALLOW_NAKED_METH_CALL;
    try {
        Map<String, Object> st = new HashMap<String, Object>();
        st.put("__fact__", new ArrayList());
        st.put("__expected__", 0);
        String expressionNaked = "__fact__.size == __expected__";
        String expressionNonNaked = "__fact__.size() == __expected__";
        MVEL.COMPILER_OPT_ALLOW_NAKED_METH_CALL = true;
        // the following works fine
        ParserContext ctx = new ParserContext();
        for (Map.Entry<String, Object> entry : st.entrySet()) {
            ctx.addInput(entry.getKey(), entry.getValue().getClass());
        }
        CompiledExpression expr = new ExpressionCompiler(expressionNaked, ctx).compile();
        Boolean result = (Boolean) executeExpression(expr, st);
        assertTrue(result);
        // the following works fine
        result = (Boolean) MVEL.eval(expressionNonNaked, st);
        assertTrue(result);
        // the following fails
        result = (Boolean) MVEL.eval(expressionNaked, st);
        assertTrue(result);
    } finally {
        MVEL.COMPILER_OPT_ALLOW_NAKED_METH_CALL = before;
    }
}