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

Example 1 with ItemResolverFactory

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

the class Fold method getReducedValueAccelerated.

public Object getReducedValueAccelerated(Object ctx, Object thisValue, VariableResolverFactory factory) {
    ItemResolverFactory.ItemResolver itemR = new ItemResolverFactory.ItemResolver("$");
    ItemResolverFactory itemFactory = new ItemResolverFactory(itemR, new DefaultLocalVariableResolverFactory(factory));
    List list;
    if (constraintEx != null) {
        Collection col = ((Collection) dataEx.getValue(ctx, thisValue, factory));
        list = new ArrayList(col.size());
        for (Object o : col) {
            itemR.value = o;
            if ((Boolean) constraintEx.getValue(ctx, thisValue, itemFactory)) {
                list.add(subEx.getValue(o, thisValue, itemFactory));
            }
        }
    } else {
        Collection col = ((Collection) dataEx.getValue(ctx, thisValue, factory));
        list = new ArrayList(col.size());
        for (Object o : col) {
            list.add(subEx.getValue(itemR.value = o, thisValue, itemFactory));
        }
    }
    return list;
}

Example 2 with ItemResolverFactory

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

the class Fold method getReducedValue.

public Object getReducedValue(Object ctx, Object thisValue, VariableResolverFactory factory) {
    ItemResolverFactory.ItemResolver itemR = new ItemResolverFactory.ItemResolver("$");
    ItemResolverFactory itemFactory = new ItemResolverFactory(itemR, new DefaultLocalVariableResolverFactory(factory));
    List list;
    if (constraintEx != null) {
        Object x = dataEx.getValue(ctx, thisValue, factory);
        if (!(x instanceof Collection))
            throw new CompileException("was expecting type: Collection; but found type: " + (x == null ? "null" : x.getClass().getName()), expr, start);
        list = new ArrayList(((Collection) x).size());
        for (Object o : (Collection) x) {
            itemR.value = o;
            if ((Boolean) constraintEx.getValue(ctx, thisValue, itemFactory)) {
                list.add(subEx.getValue(o, thisValue, itemFactory));
            }
        }
    } else {
        Object x = dataEx.getValue(ctx, thisValue, factory);
        if (!(x instanceof Collection))
            throw new CompileException("was expecting type: Collection; but found type: " + (x == null ? "null" : x.getClass().getName()), expr, start);
        list = new ArrayList(((Collection) x).size());
        for (Object o : (Collection) x) {
            list.add(subEx.getValue(itemR.value = o, thisValue, itemFactory));
        }
    }
    return list;
}

Example 3 with ItemResolverFactory

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

the class ForEachNode method getReducedValue.

public Object getReducedValue(Object ctx, Object thisValue, VariableResolverFactory factory) {
    ItemResolverFactory.ItemResolver itemR = new ItemResolverFactory.ItemResolver(item);
    ItemResolverFactory itemFactory = new ItemResolverFactory(itemR, new DefaultLocalVariableResolverFactory(factory));
    Object iterCond = MVEL.eval(expr, start, offset, thisValue, factory);
    if (itemType != null && itemType.isArray())
        enforceTypeSafety(itemType, getBaseComponentType(iterCond.getClass()));
    this.compiledBlock = (ExecutableStatement) subCompileExpression(expr, blockStart, blockOffset);
    Object v;
    if (iterCond instanceof Iterable) {
        for (Object o : (Iterable) iterCond) {
            itemR.setValue(o);
            v = compiledBlock.getValue(ctx, thisValue, itemFactory);
            if (itemFactory.tiltFlag())
                return v;
        }
    } else if (iterCond != null && iterCond.getClass().isArray()) {
        int len = Array.getLength(iterCond);
        for (int i = 0; i < len; i++) {
            itemR.setValue(Array.get(iterCond, i));
            v = compiledBlock.getValue(ctx, thisValue, itemFactory);
            if (itemFactory.tiltFlag())
                return v;
        }
    } else if (iterCond instanceof CharSequence) {
        for (Object o : iterCond.toString().toCharArray()) {
            itemR.setValue(o);
            v = compiledBlock.getValue(ctx, thisValue, itemFactory);
            if (itemFactory.tiltFlag())
                return v;
        }
    } else if (iterCond instanceof Integer) {
        int max = (Integer) iterCond + 1;
        for (int i = 1; i != max; i++) {
            itemR.setValue(i);
            v = compiledBlock.getValue(ctx, thisValue, itemFactory);
            if (itemFactory.tiltFlag())
                return v;
        }
    } else {
        throw new CompileException("non-iterable type: " + (iterCond != null ? iterCond.getClass().getName() : "null"), expr, start);
    }
    return null;
}

Example 4 with ItemResolverFactory

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

the class ForEachNode method getReducedValueAccelerated.

public Object getReducedValueAccelerated(Object ctx, Object thisValue, VariableResolverFactory factory) {
    ItemResolverFactory.ItemResolver itemR = new ItemResolverFactory.ItemResolver(item);
    ItemResolverFactory itemFactory = new ItemResolverFactory(itemR, new DefaultLocalVariableResolverFactory(factory));
    Object iterCond = condition.getValue(ctx, thisValue, factory);
    if (type == -1) {
        determineIterType(iterCond.getClass());
    }
    Object v;
    switch(type) {
        case ARRAY:
            int len = Array.getLength(iterCond);
            for (int i = 0; i < len; i++) {
                itemR.setValue(Array.get(iterCond, i));
                v = compiledBlock.getValue(ctx, thisValue, itemFactory);
                if (itemFactory.tiltFlag())
                    return v;
            }
            break;
        case CHARSEQUENCE:
            for (Object o : iterCond.toString().toCharArray()) {
                itemR.setValue(o);
                v = compiledBlock.getValue(ctx, thisValue, itemFactory);
                if (itemFactory.tiltFlag())
                    return v;
            }
            break;
        case INTEGER:
            int max = (Integer) iterCond + 1;
            for (int i = 1; i != max; i++) {
                itemR.setValue(i);
                v = compiledBlock.getValue(ctx, thisValue, itemFactory);
                if (itemFactory.tiltFlag())
                    return v;
            }
            break;
        case ITERABLE:
            for (Object o : (Iterable) iterCond) {
                itemR.setValue(o);
                v = compiledBlock.getValue(ctx, thisValue, itemFactory);
                if (itemFactory.tiltFlag())
                    return v;
            }
            break;
    }
    return null;
}