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-rw-r--r--same/src/main/java/com/orbekk/same/ClientServiceImpl.java7
-rw-r--r--same/src/main/java/com/orbekk/same/State.java10
2 files changed, 15 insertions, 2 deletions
diff --git a/same/src/main/java/com/orbekk/same/ClientServiceImpl.java b/same/src/main/java/com/orbekk/same/ClientServiceImpl.java
index 6675c15..36918cf 100644
--- a/same/src/main/java/com/orbekk/same/ClientServiceImpl.java
+++ b/same/src/main/java/com/orbekk/same/ClientServiceImpl.java
@@ -21,7 +21,11 @@ public class ClientServiceImpl implements ClientService, UrlReceiver {
@Override
public void setState(String component, String data, long revision) {
- state.forceUpdate(component, data, revision);
+ boolean status = state.update(component, data, revision);
+ if (!status) {
+ logger.warn("Ignoring update: {}",
+ new State.Component(component, revision, data));
+ }
}
@Override
@@ -37,6 +41,7 @@ public class ClientServiceImpl implements ClientService, UrlReceiver {
public void joinNetwork(String masterUrl) {
if (myUrl != null) {
MasterService master = connections.getMaster(masterUrl);
+ state.clear();
master.joinNetworkRequest(myUrl);
} else {
logger.error("Tried to join network at {}, but my url is unknown. " +
diff --git a/same/src/main/java/com/orbekk/same/State.java b/same/src/main/java/com/orbekk/same/State.java
index 4179dcb..c352990 100644
--- a/same/src/main/java/com/orbekk/same/State.java
+++ b/same/src/main/java/com/orbekk/same/State.java
@@ -30,6 +30,12 @@ public class State {
updateFromObject(".participants", new ArrayList<String>(), 0);
}
+ public synchronized void clear() {
+ logger.info("Clearing state.");
+ updatedComponents.clear();
+ state.clear();
+ }
+
public synchronized void forceUpdate(String componentName,
String data, long revision) {
Component oldComponent = state.get(componentName);
@@ -48,12 +54,14 @@ public class State {
component = state.get(componentName);
}
- if (revision == component.getRevision()) {
+ if (revision >= component.getRevision()) {
+ Component oldComponent = new Component(component);
component.setName(componentName);
component.setRevision(revision + 1);
component.setData(data);
state.put(componentName, component);
updatedComponents.add(componentName);
+ logger.info("Updated state: {} => {}", oldComponent, component);
return true;
} else {
return false;