/** Event bus for communication events */
private EventBus eventBus = GWT.create(SimpleEventBus.class);
+ private int lastResponseId = -1;
+
/**
* The communication handler methods are called at certain points during
* communication with the server. This allows for making add-ons that keep
handleUIDLMessage(start, jsonText, json);
}
+ /**
+ * Gets the id of the last received response. This id can be used by
+ * connectors to determine whether new data has been received from the
+ * server to avoid doing the same calculations multiple times.
+ * <p>
+ * No guarantees are made for the structure of the id other than that there
+ * will be a new unique value every time a new response with data from the
+ * server is received.
+ * <p>
+ * The initial id when no request has yet been processed is -1.
+ *
+ * @return and id identifying the response
+ */
+ public int getLastResponseId() {
+ return lastResponseId;
+ }
+
protected void handleUIDLMessage(final Date start, final String jsonText,
final ValueMap json) {
if (!responseHandlingLocks.isEmpty()) {
return;
}
+ lastResponseId++;
+
final MultiStepDuration handleUIDLDuration = new MultiStepDuration();
// Get security key