Examples with Expressions org.whole.lang.workflows.model.Expressions used on opensource projects

Example 1 with Expressions

use of org.whole.lang.workflows.model.Expressions in project whole by wholeplatform.

the class WorkflowsDynamicCompilerVisitor method visit.

@Override
public void visit(InvokeJavaClassMethod entity) {
    final Variable resultVariable = entity.getResult();
    Expressions arguments = entity.getArguments();
    int size = arguments.wSize();
    IEntityIterator<?>[] runnableIterators = new IEntityIterator<?>[2 + size];
    entity.getClassName().accept(this);
    runnableIterators[0] = getResultIterator();
    entity.getMethod().accept(this);
    runnableIterators[1] = getResultIterator();
    for (int i = 0; i < size; i++) {
        arguments.get(i).accept(this);
        runnableIterators[2 + i] = getResultIterator();
    }
    setResultIterator(IteratorFactory.multiValuedRunnableIterator(new AbstractWorkflowsRunnable() {

        public void run(IEntity selfEntity, IBindingManager bm, IEntity... argsEntities) {
            String className = argsEntities[0].wStringValue();
            IEntity methodData = argsEntities[1];
            Method method;
            if (DataTypeUtils.getDataKind(methodData).isString())
                method = JavaReflectUtils.getMethod(className, methodData.wStringValue(), ReflectionFactory.getClassLoader(bm));
            else
                method = (Method) methodData.wGetValue();
            Object[] arguments = toArguments(method.getParameterTypes(), method.isVarArgs(), argsEntities);
            Object resultValue = JavaReflectUtils.invokeMethod(null, method, arguments);
            setResult(bm, resultVariable, resultValue, method.getReturnType());
        }
    }, runnableIterators).withSourceEntity(entity));
}

Example 2 with Expressions

use of org.whole.lang.workflows.model.Expressions in project whole by wholeplatform.

the class WorkflowsInterpreterVisitor method visit.

@Override
public void visit(InvokeQuery entity) {
    Variable queryName = entity.getQueryName();
    Arguments arguments = entity.getArguments();
    IEntityIterator<? extends IEntity>[] argsIterators = new IEntityIterator<?>[0];
    Set<String> filterNames = getOperation().getResultsScope().wNames();
    IBindingManager args = BindingManagerFactory.instance.createBindingManager(BindingManagerFactory.instance.createExcludeFilterScope(filterNames).wWithEnclosingScope(getBindings()), getBindings().wGetEnvironmentManager());
    if (!EntityUtils.isNotResolver(arguments)) {
        setResultValue(argsIterators);
        arguments.accept(this);
        argsIterators = (IEntityIterator<?>[]) getResultValue();
    } else if (Matcher.match(WorkflowsEntityDescriptorEnum.Expressions, arguments)) {
        IEntity selfEntity = getBindings().wGet("self");
        argsIterators = new IEntityIterator<?>[arguments.wSize()];
        for (int i = 0; i < argsIterators.length; i++) {
            ((Expressions) arguments).get(i).accept(this);
            argsIterators[i] = getResultIterator();
            setResultIterator(null);
            resetSelfEntity(selfEntity);
        }
    } else
        define(args, (Assignments) arguments);
    IEntityIterator<?> iterator = QueriesIteratorFactory.callIterator(queryName.getValue(), argsIterators);
    iterator.setBindings(args);
    resetIterator(iterator);
    while (iterator.hasNext()) iterator.next();
}

Example 3 with Expressions

use of org.whole.lang.workflows.model.Expressions in project whole by wholeplatform.

the class WorkflowsInterpreterVisitor method visit.

@Override
public void visit(CreateEntity entity) {
    try {
        entity.getEntityName().accept(this);
        String typeName = getResultString();
        EntityDescriptor<?> ed = CommonsDataTypePersistenceParser.parseEntityDescriptor(typeName);
        if (ed == null)
            throw new WholeIllegalArgumentException("The requested entity does not exist: " + typeName).withSourceEntity(entity).withBindings(getBindings());
        IEntityRegistryProvider provider = null;
        switch(entity.getRegistry().getValue().getOrdinal()) {
            case RegistryEnum.DEFAULT_ord:
                provider = RegistryConfigurations.DEFAULT;
                break;
            case RegistryEnum.RESOLVER_ord:
                provider = RegistryConfigurations.RESOLVER;
                break;
            case RegistryEnum.ADAPTER_ord:
                provider = RegistryConfigurations.ADAPTER;
                break;
            case RegistryEnum.STRICT_ord:
                provider = RegistryConfigurations.STRICT;
                break;
            case RegistryEnum.CUSTOM_ord:
                provider = RegistryConfigurations.CUSTOM;
                break;
        }
        IEntityFactory ef = GenericEntityFactory.instance(provider);
        IEntity model;
        Arguments arguments = entity.getArguments();
        if (Matcher.matchImpl(WorkflowsEntityDescriptorEnum.Assignments, arguments)) {
            ITransactionScope resettableScope = BindingManagerFactory.instance.createTransactionScope();
            getBindings().wEnterScope(resettableScope);
            arguments.accept(this);
            for (int i = 0; i < arguments.wSize(); i++) {
                String name = ((Assignments) arguments).get(i).getName().getValue();
                FeatureDescriptor fd = ed.getFeatureDescriptorEnum().valueOf(name);
                if (fd != null)
                    getBindings().wDef(name, EntityUtils.convertCloneIfReparenting(getBindings().wGet(name), ed.getEntityFeatureDescriptor(fd)));
            }
            model = ef.create(ed, getBindings());
            resettableScope.rollback();
            getBindings().wExitScope();
        } else if (Matcher.matchImpl(WorkflowsEntityDescriptorEnum.Expressions, arguments)) {
            IEntity selfEntity = getBindings().wGet("self");
            if (ed.getEntityKind().isData()) {
                ((Expressions) arguments).get(0).accept(this);
                model = DataTypeUtils.convertCloneIfParented(getResult(), ed);
                resetSelfEntity(selfEntity);
            } else {
                IEntity[] values = new IEntity[arguments.wSize()];
                for (int i = 0; i < values.length; i++) {
                    ((Expressions) arguments).get(i).accept(this);
                    values[i] = EntityUtils.convertCloneIfReparenting(getResult(), ed.getEntityFeatureDescriptor(i));
                    resetSelfEntity(selfEntity);
                }
                model = ef.create(ed, values);
            }
        } else
            model = ef.create(ed);
        setResult(entity.getModel(), model);
    } catch (Exception e) {
        throw IWholeRuntimeException.asWholeException(e, entity, getBindings());
    }
}

Example 4 with Expressions

use of org.whole.lang.workflows.model.Expressions in project whole by wholeplatform.

the class WorkflowsDynamicCompilerVisitor method visit.

// FIXME add compilation of Assignments before fixing
// @Override
// public void visit(CreateEntity entity) {
// final Variable resultVariable = entity.getModel();
// 
// entity.getEntityName().accept(this);
// final String typeName = getResult().wStringValue();
// 
// IEntityRegistryProvider provider = null;
// switch (entity.getRegistry().getValue().getOrdinal()) {
// case RegistryEnum.DEFAULT_ord:
// provider = RegistryConfigurations.DEFAULT;
// break;
// case RegistryEnum.RESOLVER_ord:
// provider = RegistryConfigurations.RESOLVER;
// break;
// case RegistryEnum.ADAPTER_ord:
// provider = RegistryConfigurations.ADAPTER;
// break;
// case RegistryEnum.STRICT_ord:
// provider = RegistryConfigurations.STRICT;
// break;
// case RegistryEnum.CUSTOM_ord:
// provider = RegistryConfigurations.CUSTOM;
// break;
// }
// final IEntityFactory ef = GenericEntityFactory.instance(provider);
// 
// final Arguments arguments = entity.getArguments();
// int size = arguments.wSize();
// IEntityIterator<?>[] runnableIterators = new IEntityIterator<?>[size];
// 
// if (Matcher.matchImpl(WorkflowsEntityDescriptorEnum.Assignments, arguments)) {
// for (int i=0; i<size; i++) {
// Assign argument = ((Assignments) arguments).get(i);
// String name = argument.getName().getValue();
// argument.getExpression().accept(this);
// runnableIterators[i] = getResultIterator();//FIXME
// }
// } else if (Matcher.matchImpl(WorkflowsEntityDescriptorEnum.Expressions, arguments)) {
// for (int i=0; i<size; i++) {
// ((Expressions) arguments).get(i).accept(this);
// runnableIterators[i] = getResultIterator();
// }
// }
// 
// setResultIterator(IteratorFactory.multiValuedRunnableIterator(new AbstractWorkflowsRunnable() {
// public void run(IEntity selfEntity, IBindingManager bm, IEntity... argsEntities) {
// EntityDescriptor<?> ed = CommonsDataTypePersistenceParser.parseEntityDescriptor(typeName);
// if (ed == null)
// throw new IllegalArgumentException("The requested entity does not exist: "+typeName);
// 
// IEntity resultValue;
// if (Matcher.matchImpl(WorkflowsEntityDescriptorEnum.Assignments, arguments)) {
// ResettableScope resettableScope = BindingManagerFactory.instance.createResettableScope();
// bm.wEnterScope(resettableScope);
// 
// //FIXME
// for (int i = 0; i < arguments.wSize(); i++) {
// String name = ((Assignments) arguments).get(i).getName().getValue();
// bm.wSet(name, EntityUtils.convert(bm.wGet(name), ed.getEntityDescriptor(i)));
// }
// resultValue = ef.create(ed, bm);
// 
// resettableScope.reset();
// bm.wExitScope();
// } else if (Matcher.matchImpl(WorkflowsEntityDescriptorEnum.Expressions, arguments)) {
// if (ed.getEntityKind().isData())
// resultValue = DataTypeUtils.convert(argsEntities[0], ed);
// else {
// IEntity[] values = new IEntity[argsEntities.length];
// for (int i = 0; i < values.length; i++)
// values[i] = EntityUtils.convert(argsEntities[i], ed.getEntityDescriptor(i));
// resultValue = ef.create(ed, values);
// }
// } else
// resultValue = ef.create(ed);
// 
// setResult(bm, resultVariable, resultValue);
// }
// }, runnableIterators).withDomainEntity(entity));
// }
@Override
public void visit(CreateJavaClassInstance entity) {
    final Variable resultVariable = entity.getResult();
    Expressions arguments = entity.getArguments();
    int size = arguments.wSize();
    IEntityIterator<?>[] runnableIterators = new IEntityIterator<?>[2 + size];
    entity.getClassName().accept(this);
    runnableIterators[0] = getResultIterator();
    entity.getConstructor().accept(this);
    runnableIterators[1] = getResultIterator();
    for (int i = 0; i < size; i++) {
        arguments.get(i).accept(this);
        runnableIterators[2 + i] = getResultIterator();
    }
    setResultIterator(IteratorFactory.singleValuedRunnableIterator(new AbstractWorkflowsRunnable() {

        public void run(IEntity selfEntity, IBindingManager bm, IEntity... argsEntities) {
            String className = argsEntities[0].wStringValue();
            IEntity constructorData = argsEntities[1];
            Constructor<?> constructor;
            if (DataTypeUtils.getDataKind(constructorData).isString())
                constructor = JavaReflectUtils.getConstructor(className, constructorData.wStringValue(), ReflectionFactory.getClassLoader(bm));
            else
                constructor = (Constructor<?>) constructorData.wGetValue();
            Object[] arguments = toArguments(constructor.getParameterTypes(), constructor.isVarArgs(), argsEntities);
            Object resultValue = JavaReflectUtils.invokeConstructor(constructor, arguments);
            setResult(bm, resultVariable, resultValue, constructor.getDeclaringClass());
        }
    }, runnableIterators).withSourceEntity(entity));
}

Example 5 with Expressions

use of org.whole.lang.workflows.model.Expressions in project whole by wholeplatform.

the class WorkflowsDynamicCompilerVisitor method visit.

@Override
public void visit(InvokeJavaInstanceMethod entity) {
    final Variable resultVariable = entity.getResult();
    final Variable instanceVariable = entity.getObject();
    Expressions arguments = entity.getArguments();
    int size = arguments.wSize();
    IEntityIterator<?>[] runnableIterators = new IEntityIterator<?>[2 + size];
    entity.getClassName().accept(this);
    runnableIterators[0] = getResultIterator();
    entity.getMethod().accept(this);
    runnableIterators[1] = getResultIterator();
    for (int i = 0; i < size; i++) {
        arguments.get(i).accept(this);
        runnableIterators[2 + i] = getResultIterator();
    }
    setResultIterator(IteratorFactory.multiValuedRunnableIterator(new AbstractWorkflowsRunnable() {

        public void run(IEntity selfEntity, IBindingManager bm, IEntity... argsEntities) {
            String className = argsEntities[0].wStringValue();
            IEntity methodData = argsEntities[1];
            Method method;
            if (DataTypeUtils.getDataKind(methodData).isString())
                method = JavaReflectUtils.getMethod(className, methodData.wStringValue(), ReflectionFactory.getClassLoader(bm));
            else
                method = (Method) methodData.wGetValue();
            IEntity instanceEntity = bm.wGet(instanceVariable.getValue());
            if (instanceEntity == null)
                throw new MissingVariableException(instanceVariable.getValue()).withSourceEntity(getSourceEntity()).withBindings(getBindings());
            Object instance = DataTypeUtils.unbox(instanceEntity, method.getDeclaringClass(), false);
            Object[] arguments = toArguments(method.getParameterTypes(), method.isVarArgs(), argsEntities);
            Object resultValue = JavaReflectUtils.invokeMethod(instance, method, arguments);
            setResult(bm, resultVariable, resultValue, method.getReturnType());
        }
    }, runnableIterators).withSourceEntity(entity));
}