Examples with FunctionElement org.mule.runtime.module.extension.api.loader.java.type.FunctionElement used on opensource projects

Example 1 with FunctionElement

use of org.mule.runtime.module.extension.api.loader.java.type.FunctionElement in project mule by mulesoft.

the class FunctionModelLoaderDelegate method declareFunctions.

void declareFunctions(ExtensionDeclarer extensionDeclarer, HasFunctionDeclarer declarer, FunctionContainerElement methodOwnerClass, List<FunctionElement> functions) {
    for (FunctionElement function : functions) {
        FunctionContainerElement functionOwner = methodOwnerClass != null ? methodOwnerClass : function.getEnclosingType();
        checkIsNotAnExtension(functionOwner);
        final Optional<ExtensionParameter> configParameter = loader.getConfigParameter(function);
        if (configParameter.isPresent()) {
            throw new IllegalModelDefinitionException(format("Function '%s' requires a config parameter, but that is not allowed. " + "Remove such parameter.", function.getName()));
        }
        HasFunctionDeclarer actualDeclarer = (HasFunctionDeclarer) loader.selectDeclarerBasedOnConfig(extensionDeclarer, (Declarer) declarer, configParameter, empty());
        if (functionDeclarers.containsKey(function)) {
            actualDeclarer.withFunction(functionDeclarers.get(function));
            continue;
        }
        final FunctionDeclarer functionDeclarer = actualDeclarer.withFunction(function.getAlias());
        function.getMethod().ifPresent(method -> {
            functionDeclarer.withModelProperty(new ImplementingMethodModelProperty(method));
            function.getDeclaringClass().ifPresent(clazz -> functionDeclarer.withModelProperty(new FunctionExecutorModelProperty(new ReflectiveFunctionExecutorFactory<>(clazz, method))));
        });
        functionDeclarer.withOutput().ofType(function.getReturnMetadataType());
        ParameterDeclarationContext declarationContext = new ParameterDeclarationContext(FUNCTION, functionDeclarer.getDeclaration());
        loader.getMethodParametersLoader().declare(functionDeclarer, function.getParameters(), declarationContext);
        functionDeclarers.put(function, functionDeclarer);
    }
}