From 9444d8b16c93581bbab7928304cb14622050f691 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kjetil=20=C3=98rbekk?= <kjetil.orbekk@gmail.com>
Date: Thu, 16 Feb 2012 15:10:34 +0100
Subject: Start new Master implementation.

---
 same/src/main/java/com/orbekk/same/NewMaster.java  | 64 ++++++++++++++++++
 .../test/java/com/orbekk/same/NewMasterTest.java   | 79 ++++++++++++++++++++++
 2 files changed, 143 insertions(+)
 create mode 100644 same/src/main/java/com/orbekk/same/NewMaster.java
 create mode 100644 same/src/test/java/com/orbekk/same/NewMasterTest.java

diff --git a/same/src/main/java/com/orbekk/same/NewMaster.java b/same/src/main/java/com/orbekk/same/NewMaster.java
new file mode 100644
index 0000000..161586f
--- /dev/null
+++ b/same/src/main/java/com/orbekk/same/NewMaster.java
@@ -0,0 +1,64 @@
+package com.orbekk.same;
+
+import java.util.List;
+import com.orbekk.util.WorkQueue;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class NewMaster {
+    private Logger logger = LoggerFactory.getLogger(getClass());
+    private final ConnectionManager connections;
+    private State state;
+    private Broadcaster broadcaster;
+
+    public static NewMaster create(ConnectionManager connections,
+            Broadcaster broadcaster, String myUrl, String networkName) {
+        State state = new State(networkName);
+        state.update(".masterUrl", myUrl, 1);
+        return new NewMaster(state, connections, broadcaster);
+    }
+
+    NewMaster(State initialState, ConnectionManager connections,
+            Broadcaster broadcaster) {
+        this.state = initialState;
+        this.connections = connections;
+        this.broadcaster = broadcaster;
+    }
+
+    private MasterService serviceImpl = new MasterService() {
+        @Override
+        public boolean updateStateRequest(String component,
+                String newData, long revision) {
+            return false;
+        }
+
+        @Override
+        public void joinNetworkRequest(String clientUrl) {
+        }
+    };
+
+    WorkQueue<String> updateStateRequestThread = new WorkQueue<String>() {
+        @Override protected void onChange() {
+            List<String> pending = getAndClear();
+            for (String componentName : pending) {
+                logger.info("Component updated: {}", componentName); 
+            }
+        }
+    };
+
+    void performWork() {
+        updateStateRequestThread.performWork();
+    }
+
+    public void start() {
+        updateStateRequestThread.start();
+    }
+
+    public void interrupt() {
+        updateStateRequestThread.interrupt();
+    }
+
+    public MasterService getService() {
+        return serviceImpl;
+    }
+}
diff --git a/same/src/test/java/com/orbekk/same/NewMasterTest.java b/same/src/test/java/com/orbekk/same/NewMasterTest.java
new file mode 100644
index 0000000..098b141
--- /dev/null
+++ b/same/src/test/java/com/orbekk/same/NewMasterTest.java
@@ -0,0 +1,79 @@
+package com.orbekk.same;
+
+import static org.junit.Assert.*;
+
+import java.util.List;
+import org.codehaus.jackson.type.TypeReference;
+import org.junit.Before;
+import org.junit.Test;
+
+public class NewMasterTest {
+    private State state = new State("TestNetwork");
+    private TestConnectionManager connections = new TestConnectionManager();
+    private TestBroadcaster broadcaster = new TestBroadcaster();
+    private NewMaster master;
+    private MasterService masterS;
+
+    public static class UnreachableClient implements ClientService {
+        @Override
+        public void notifyNetwork(String networkName, String masterUrl)
+                throws Exception {
+            throw new Exception("Unreachable client");
+        }
+
+        @Override
+        public void setState(String component, String data, long revision)
+                throws Exception {
+            throw new Exception("Unreachable client");   
+        }
+
+        @Override
+        public void discoveryRequest(String remoteUrl) throws Exception {
+            throw new Exception("Unreachable client");
+        }
+    }
+    
+    @Before
+    public void setUp() {
+        state.update(".masterUrl", "http://master/MasterService.json", 1);
+        master = new NewMaster(state, connections, broadcaster);
+        masterS = master.getService();
+        connections.masterMap.put("http://master/MasterService.json",
+                masterS);
+    }
+
+    @Test
+    public void updateStateRequest() throws Exception {
+        Client client1 = new Client(
+                new State("ClientNetwork"), connections,
+                "http://client/ClientService.json");
+        ClientService client1S = client1.getService();
+        connections.clientMap.put("http://client/ClientService.json", client1S);
+        Client client2 = new Client(
+                new State("ClientNetwork"), connections,
+                "http://client2/ClientService.json");
+        ClientService client2S = client2.getService();
+        connections.clientMap.put("http://client2/ClientService.json", client2S);
+        
+        client1.joinNetwork("http://master/MasterService.json");
+        client2.joinNetwork("http://master/MasterService.json");
+        
+        master.performWork();
+        assertTrue(state.getList(".participants").contains("http://client/ClientService.json"));
+        assertTrue(state.getList(".participants").contains("http://client2/ClientService.json"));
+        assertEquals(state, client1.testGetState());
+        
+        assertTrue(masterS.updateStateRequest("A", "1", 0));
+        master.performWork();
+        
+        assertEquals(state, client1.testGetState());
+        assertEquals(state, client2.testGetState());
+        
+        assertFalse(masterS.updateStateRequest("A", "2", 0));
+        assertTrue(masterS.updateStateRequest("A", "3", 1));
+        master.performWork();
+        
+        assertEquals(state, client1.testGetState());
+        assertEquals(state, client2.testGetState());
+    }
+}
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