Examples of com.buschmais.cdo.impl.instancelistener.InstanceListenerService.preUpdate()

    public void flush() {
        DatastoreSession<?, Entity, ? extends DatastoreEntityMetadata<?>, ?, ?, Relation, ? extends DatastoreRelationMetadata<?>, ?> datastoreSession = sessionContext.getDatastoreSession();
        InstanceListenerService instanceListenerService = sessionContext.getInstanceListenerService();
        for (Object instance : sessionContext.getRelationCache().writtenInstances()) {
            Relation relation = sessionContext.getRelationInstanceManager().getDatastoreType(instance);
            instanceListenerService.preUpdate(instance);
            validateInstance(instance);
            datastoreSession.flushRelation(relation);
            instanceListenerService.postUpdate(instance);
        }
        for (Object instance : sessionContext.getEntityCache().writtenInstances()) {

            datastoreSession.flushRelation(relation);
            instanceListenerService.postUpdate(instance);
        }
        for (Object instance : sessionContext.getEntityCache().writtenInstances()) {
            Entity entity = sessionContext.getEntityInstanceManager().getDatastoreType(instance);
            instanceListenerService.preUpdate(instance);
            validateInstance(instance);
            datastoreSession.flushEntity(entity);
            instanceListenerService.postUpdate(instance);
        }
    }

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