I have just started using OrientDB and one of the most useful features for
my project was the hook. Let me try to explain my setup:
1. OrientDB "Graph" database server running on machine-1, to which many
clients are connected
2. On Machine-2 i am running a OrientDB Java based client application
3. There are many web applications which are connecting to the OrientDB
server for graph database manipulation
4. On Machine-2 java client, i have registered hooks to listen to change
of certain class records I was expecting that whenever a record (of
specified class mentioned by hook) is modified the hook will imitate the
trigger on java client running on Machine-2 But in reality, i am getting
those triggers only when the class gets modified by the Java client running
on Machine-2 (i.e. same client)
This is my code
graph = new OrientGraph(connectionString, "root", "hello");ODatabaseDocumentTx
docDBRef = graph.getRawGraph();
docDBRef.begin();try{
docDBRef.registerHook(new ODocumentHookAbstract() {--------------});
docDBRef.commit();}catch (Exception e) {
docDBRef.rollback();}
Is there any way, i can write a client which can get notified on any change
in the database ?
BTW, i tried server side trigger and that works as expected. I mean,
irrespective of any client modifying a record, the trigger gets fired.
However, i am not able to get such triggers on a Java client. Java client
receives triggers only when the same client modifies a record :( Any body
tried such thing ? or is server side trigger the only option ??
Thanks in advance
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