NeoDatis ODB

public interface IInsertTrigger {
    public boolean beforeInsert(Object object);
    public void afterInsert(Object object,OID oid,long position);
}

public interface IUpdateTrigger {   
    public boolean beforeUpdate(Object oldObject,Object newObject,OID oid);
    public void afterUpdate(Object oldObject,Object newObject,OID oid);
}

public interface IDeleteTrigger {
    public boolean beforeDelete(Object object,OID oid);
    public void afterDelete(Object object,OID oid);
}

public interface ISelectTrigger {
    public void afterSelect(Object object,OID oid);
}

public class MyTrigger implements IInsertTrigger {
 
    public void afterInsert(Object object, OID oid, long position) {
        System.out.println("after insert object with id "+oid+"("+object.getClass().getName()+")");
    }
 
    public boolean beforeInsert(Object object) {
        System.out.println.println("before inserting " + object);
        return true;
    }
}

odb = open("trigger.odb");
odb.addInsertTrigger(new MyTrigger());

public interface IServerInsertTrigger {
    public boolean beforeInsert(NonNativeObjectInfo nnoi);
    public void afterInsert(final NonNativeObjectInfo nnoi, final OID oid,long position);
}

public interface IServerUpdateTrigger {
    public boolean beforeUpdate(final NonNativeObjectInfo oldObject,final NonNativeObjectInfo newObject,final OID oid);
    public void afterUpdate(final NonNativeObjectInfo oldObject,final NonNativeObjectInfo newObject,final OID oid);
}

public interface IServerDeleteTrigger {
    public boolean beforeDelete(NonNativeObjectInfo nnoi,OID oid);
    public void afterDelete(NonNativeObjectInfo nnoi,OID oid);
}

public interface IServerSelectTrigger {
    public void afterSelect(NonNativeObjectInfo nnoi,OID oid);
}

public class MyInsertTrigger implements IServerInsertTrigger {
    private int nbInsertsAfter;
    private int nbInsertsBefore;
 
    public void afterInsert(final NonNativeObjectInfo nnoi,final OID oid, long position) {
        System.out.println("New object has been inserted with oid " + oid + " at pos "+position);
        nbInsertsAfter++;
    }
 
    public boolean beforeInsert(final NonNativeObjectInfo nnoi) {
        System.out.println("New object is going to be inserted "+ nnoi);
        nbInsertsBefore++;
        return false;
    }
 
    public int getNbInsertsAfter() {
        return nbInsertsAfter;
    }
 
    public int getNbInsertsBefore() {
        return nbInsertsBefore;
    }
}

String baseId = "server-trigger";
ODBServer server = ODBFactory.openServer(10000);
server.addBase(baseId , "server-trigger.odb");
MyInsertTrigger insertTrigger = new MyInsertTrigger();
server.addInsertTrigger(baseId, insertTrigger);
server.startServer(true);