public bool evaluate(Object block, Block blockType)
{
BlockHandler handler = BlockHandlerRegistry.GetBlockHandler(blockType);
Primitive value = comparisonValue.GetValue();
PropertySupplier prop = property ?? handler.GetDefaultProperty(value.GetPrimitiveType());
if (direction.HasValue)
{
return(comparator.compare(handler.GetPropertyValue(block, prop, direction.Value), value));
}
else
{
return(comparator.compare(handler.GetPropertyValue(block, prop), value));
}
}
public Primitive GetValue()
{
List <Object> blocks = entityProvider.GetEntities();
if (aggregationType == PropertyAggregate.COUNT)
{
return(new NumberPrimitive(blocks.Count));
}
BlockHandler handler = BlockHandlerRegistry.GetBlockHandler(entityProvider.GetBlockType());
PropertySupplier p = property ?? handler.GetDefaultProperty(Return.NUMERIC);
List <Primitive> propertyValues = blocks.Select(b => {
return(direction.HasValue ? handler.GetPropertyValue(b, p, direction.Value) : handler.GetPropertyValue(b, p));
}).ToList();
return(Aggregate(propertyValues, aggregationType));
}