Add MasterServiceProxy.

This class can be used to enable and disable a master.

1 files changed, 45 insertions, 0 deletions

diff --git a/same/src/main/java/com/orbekk/same/MasterServiceProxy.java b/same/src/main/java/com/orbekk/same/MasterServiceProxy.java
new file mode 100644
index 0000000..0532d86
--- /dev/null
+++ b/same/src/main/java/com/orbekk/same/MasterServiceProxy.java
@@ -0,0 +1,45 @@
+package com.orbekk.same;
+
+public class MasterServiceProxy implements MasterService {
+    public static class MasterDeactivatedException extends Exception {
+        public MasterDeactivatedException() {
+        }
+    }
+    
+    private MasterService masterService = null;
+    
+    public MasterServiceProxy() {
+    }
+
+    public MasterServiceProxy(MasterService masterService) {
+        this.masterService = masterService;
+    }
+    
+    public MasterService getService() {
+        return masterService;
+    }
+    
+    public void setService(MasterService masterService) {
+        this.masterService = masterService;
+    }
+    
+    @Override
+    public void joinNetworkRequest(String clientUrl) throws Exception {
+        if (masterService != null) {
+            masterService.joinNetworkRequest(clientUrl);
+        } else {
+            throw new MasterDeactivatedException();
+        }
+    }
+
+    @Override
+    public boolean updateStateRequest(String component, String newData, long revision)
+            throws Exception {
+        if (masterService != null) {
+            return masterService.updateStateRequest(component, newData, revision);
+        } else {
+            throw new MasterDeactivatedException();
+        }
+    }
+    
+}