key is String like "title". Right?
Thank you. So testing against unequal Null. =)
Am Montag, 1. September 2014 20:42:22 UTC+2 schrieb odbuser:
>
> To determine if a property exists:
>
> String clazz = "someClass";
> boolean propertyExists;
> OClass oClass = graph.getRawGraph().getMetadata().getSchema().
> getClass(clazz);
> if (oClass != null) {
> OProperty oProperty = oClass.getProperty(key);
> propertyExists = (oProperty != null);
> } else {
> propertyExists = false;
> }
>
>
>
>
>
>
> On Sunday, August 31, 2014 3:51:01 AM UTC-4, Curtis Mosters wrote:
>>
>> No I want to extend the Schema. Not adding property values on one Vertex
>> =)
>>
>> I think about something like noTxGraph.createPropertyType(
>> className,propertyName);
>>
>> Maybe there is already some cool way to do this. But unfindable in the
>> doc =/
>>
>> Am Samstag, 30. August 2014 17:45:13 UTC+2 schrieb Epl:
>>>
>>> One way of finding all the property is by key name. so on vertex 'v' you
>>> can call
>>>
>>> v.getPropertyKeys which will return all keys of that class. Which may
>>> be efficient too because you have access to that vertex already. Same I
>>> believe you can do edges too that also extends Element class where this
>>> method is defined.
>>>
>>> On Saturday, August 30, 2014 10:03:44 AM UTC+1, Curtis Mosters wrote:
>>>>
>>>> Well checking if a class exists is really easy
>>>>
>>>> OrientGraphNoTx noTxGraph = factoryGraph.getNoTx();
>>>> OSchema schema = db.getMetadata().getSchema();
>>>> if (!schema.existsClass(className)) {
>>>> noTxGraph.createVertexType(className);
>>>> }
>>>>
>>>>
>>>>
>>>> but I cannot find a ways to check this on a property. The only way is
>>>> with searching for the class, saving it, and than go through all the
>>>> property and match it with the searched property.
>>>>
>>>> Is there a ways to do this much easier, like with the Schema above?
>>>>
>>>> And for sure I just can put a try catch but I don't an exception
>>>> thrown, because it's easy to avoid.
>>>>
>>>> Thank you.
>>>>
>>>
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