Examples with Accessor org.mvel2.compiler.Accessor used on opensource projects

Example 16 with Accessor

use of org.mvel2.compiler.Accessor in project mvel by mikebrock.

the class InlineCollectionNode method getReducedValueAccelerated.

public Object getReducedValueAccelerated(Object ctx, Object thisValue, VariableResolverFactory factory) {
    if (accessor != null) {
        return accessor.getValue(ctx, thisValue, factory);
    } else {
        try {
            AccessorOptimizer ao = OptimizerFactory.getThreadAccessorOptimizer();
            if (collectionGraph == null)
                parseGraph(true, null, null);
            accessor = ao.optimizeCollection(AbstractParser.getCurrentThreadParserContext(), collectionGraph, egressType, expr, trailingStart, trailingOffset, ctx, thisValue, factory);
            egressType = ao.getEgressType();
            return accessor.getValue(ctx, thisValue, factory);
        } finally {
            OptimizerFactory.clearThreadAccessorOptimizer();
        }
    }
}

Example 17 with Accessor

use of org.mvel2.compiler.Accessor in project mvel by mikebrock.

the class ReflectiveAccessorOptimizer method _getAccessor.

private Accessor _getAccessor(Object o, Class type) {
    if (o instanceof List) {
        Accessor[] a = new Accessor[((List) o).size()];
        int i = 0;
        for (Object item : (List) o) {
            a[i++] = _getAccessor(item, type);
        }
        returnType = List.class;
        return new ListCreator(a);
    } else if (o instanceof Map) {
        Accessor[] k = new Accessor[((Map) o).size()];
        Accessor[] v = new Accessor[k.length];
        int i = 0;
        for (Object item : ((Map) o).keySet()) {
            // key
            k[i] = _getAccessor(item, type);
            // value
            v[i++] = _getAccessor(((Map) o).get(item), type);
        }
        returnType = Map.class;
        return new MapCreator(k, v);
    } else if (o instanceof Object[]) {
        Accessor[] a = new Accessor[((Object[]) o).length];
        int i = 0;
        int dim = 0;
        if (type != null) {
            String nm = type.getName();
            while (nm.charAt(dim) == '[') dim++;
        } else {
            type = Object[].class;
            dim = 1;
        }
        try {
            Class base = getBaseComponentType(type);
            Class cls = dim > 1 ? findClass(null, repeatChar('[', dim - 1) + "L" + base.getName() + ";", pCtx) : type;
            for (Object item : (Object[]) o) {
                expectType(a[i++] = _getAccessor(item, cls), base, true);
            }
            return new ArrayCreator(a, getSubComponentType(type));
        } catch (ClassNotFoundException e) {
            throw new RuntimeException("this error should never throw:" + getBaseComponentType(type).getName(), e);
        }
    } else {
        if (returnType == null)
            returnType = Object.class;
        if (type.isArray()) {
            return new ExprValueAccessor((String) o, type, ctx, variableFactory, pCtx);
        } else {
            return new ExprValueAccessor((String) o, Object.class, ctx, variableFactory, pCtx);
        }
    }
}

Example 18 with Accessor

use of org.mvel2.compiler.Accessor in project mvel by mikebrock.

the class ReflectiveAccessorOptimizer method optimizeCollection.

public Accessor optimizeCollection(ParserContext pCtx, Object o, Class type, char[] property, int start, int offset, Object ctx, Object thisRef, VariableResolverFactory factory) {
    this.start = this.cursor = start;
    this.length = start + offset;
    this.returnType = type;
    this.ctx = ctx;
    this.variableFactory = factory;
    this.pCtx = pCtx;
    Accessor root = _getAccessor(o, returnType);
    if (property != null && length > start) {
        return new Union(root, property, cursor, offset);
    } else {
        return root;
    }
}

Example 19 with Accessor

use of org.mvel2.compiler.Accessor in project mvel by mikebrock.

the class ReflectiveAccessorOptimizer method get.

public static Object get(String expression, Object ctx) {
    int hash = createSignatureHash(expression, ctx);
    Accessor accessor = REFLECTIVE_ACCESSOR_CACHE.get(hash);
    if (accessor != null) {
        return accessor.getValue(ctx, null, null);
    } else {
        REFLECTIVE_ACCESSOR_CACHE.put(hash, accessor = new ReflectiveAccessorOptimizer().optimizeAccessor(getCurrentThreadParserContext(), expression.toCharArray(), 0, expression.length(), ctx, null, null, false, null));
        return accessor.getValue(ctx, null, null);
    }
}