Revert changes to names of public methods on Gossiper

Patch and review by Paulo Motta and Stefania Alborghetti to
follow up CASSANDRA-10243


Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo
Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/51753263
Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/51753263
Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/51753263

Branch: refs/heads/cassandra-2.2
Commit: 51753263a4c4d50c5bbe7bb80636cca5b6458ecf
Parents: dbfeeac
Author: Paulo Motta <pauloricard...@gmail.com>
Authored: Tue Dec 1 10:41:05 2015 -0800
Committer: Sam Tunnicliffe <s...@beobal.com>
Committed: Wed Dec 2 13:05:37 2015 +0000

----------------------------------------------------------------------
 src/java/org/apache/cassandra/gms/Gossiper.java | 21 +++++++++++++++-----
 .../cassandra/locator/PropertyFileSnitch.java   |  6 ++----
 .../locator/YamlFileNetworkTopologySnitch.java  |  4 ++--
 .../cassandra/service/MigrationManager.java     |  4 ++--
 .../apache/cassandra/service/StorageProxy.java  |  8 ++++----
 .../cassandra/service/StorageService.java       | 14 ++++++-------
 6 files changed, 33 insertions(+), 24 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cassandra/blob/51753263/src/java/org/apache/cassandra/gms/Gossiper.java
----------------------------------------------------------------------
diff --git a/src/java/org/apache/cassandra/gms/Gossiper.java 
b/src/java/org/apache/cassandra/gms/Gossiper.java
index 09851b2..130b531 100644
--- a/src/java/org/apache/cassandra/gms/Gossiper.java
+++ b/src/java/org/apache/cassandra/gms/Gossiper.java
@@ -256,12 +256,23 @@ public class Gossiper implements 
IFailureDetectionEventListener, GossiperMBean
         subscribers.remove(subscriber);
     }
 
-    public Set<InetAddress> getLiveEndpoints()
+    /**
+     * @return a list of live gossip participants, including fat clients
+     */
+    public Set<InetAddress> getLiveMembers()
+    {
+        Set<InetAddress> liveMembers = new HashSet<>(liveEndpoints);
+        if (!liveMembers.contains(FBUtilities.getBroadcastAddress()))
+            liveMembers.add(FBUtilities.getBroadcastAddress());
+        return liveMembers;
+    }
+
+    /**
+     * @return a list of live ring members.
+     */
+    public Set<InetAddress> getLiveTokenOwners()
     {
-        Set<InetAddress> liveEndpoints = new 
HashSet<InetAddress>(this.liveEndpoints);
-        if (!liveEndpoints.contains(FBUtilities.getBroadcastAddress()))
-            liveEndpoints.add(FBUtilities.getBroadcastAddress());
-        return liveEndpoints;
+        return StorageService.instance.getLiveRingMembers(true);
     }
 
     /**

http://git-wip-us.apache.org/repos/asf/cassandra/blob/51753263/src/java/org/apache/cassandra/locator/PropertyFileSnitch.java
----------------------------------------------------------------------
diff --git a/src/java/org/apache/cassandra/locator/PropertyFileSnitch.java 
b/src/java/org/apache/cassandra/locator/PropertyFileSnitch.java
index 6115572..dc9a3b8 100644
--- a/src/java/org/apache/cassandra/locator/PropertyFileSnitch.java
+++ b/src/java/org/apache/cassandra/locator/PropertyFileSnitch.java
@@ -23,7 +23,6 @@ import java.net.UnknownHostException;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Objects;
 import java.util.Properties;
 import java.util.Set;
 
@@ -32,7 +31,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import org.apache.cassandra.exceptions.ConfigurationException;
-import org.apache.cassandra.gms.Gossiper;
 import org.apache.cassandra.io.util.FileUtils;
 import org.apache.cassandra.service.StorageService;
 import org.apache.cassandra.utils.FBUtilities;
@@ -238,9 +236,9 @@ public class PropertyFileSnitch extends 
AbstractNetworkTopologySnitch
         // host quickly and interrupt the loop. Otherwise we only check the 
live hosts that were either
         // in the old set or in the new set
         Set<InetAddress> hosts = Arrays.equals(defaultDCRack, 
reloadedDefaultDCRack)
-                                 ? 
Sets.intersection(StorageService.instance.getLiveMembers(), // same default
+                                 ? 
Sets.intersection(StorageService.instance.getLiveRingMembers(), // same default
                                                      
Sets.union(endpointMap.keySet(), reloadedMap.keySet()))
-                                 : StorageService.instance.getLiveMembers(); 
// default updated
+                                 : 
StorageService.instance.getLiveRingMembers(); // default updated
 
         for (InetAddress host : hosts)
         {

http://git-wip-us.apache.org/repos/asf/cassandra/blob/51753263/src/java/org/apache/cassandra/locator/YamlFileNetworkTopologySnitch.java
----------------------------------------------------------------------
diff --git 
a/src/java/org/apache/cassandra/locator/YamlFileNetworkTopologySnitch.java 
b/src/java/org/apache/cassandra/locator/YamlFileNetworkTopologySnitch.java
index 870eea8..0279e9f 100644
--- a/src/java/org/apache/cassandra/locator/YamlFileNetworkTopologySnitch.java
+++ b/src/java/org/apache/cassandra/locator/YamlFileNetworkTopologySnitch.java
@@ -386,9 +386,9 @@ public class YamlFileNetworkTopologySnitch
         // host quickly and interrupt the loop. Otherwise we only check the 
live hosts that were either
         // in the old set or in the new set
         Set<InetAddress> hosts = NodeData.isSameDcRack(defaultNodeData, 
reloadedDefaultData)
-                                 ? 
Sets.intersection(StorageService.instance.getLiveMembers(), // same default
+                                 ? 
Sets.intersection(StorageService.instance.getLiveRingMembers(), // same default
                                                      
Sets.union(nodeDataMap.keySet(), reloadedMap.keySet()))
-                                 : StorageService.instance.getLiveMembers(); 
// default updated
+                                 : 
StorageService.instance.getLiveRingMembers(); // default updated
 
         for (InetAddress host : hosts)
         {

http://git-wip-us.apache.org/repos/asf/cassandra/blob/51753263/src/java/org/apache/cassandra/service/MigrationManager.java
----------------------------------------------------------------------
diff --git a/src/java/org/apache/cassandra/service/MigrationManager.java 
b/src/java/org/apache/cassandra/service/MigrationManager.java
index 3539602..bebfa43 100644
--- a/src/java/org/apache/cassandra/service/MigrationManager.java
+++ b/src/java/org/apache/cassandra/service/MigrationManager.java
@@ -395,7 +395,7 @@ public class MigrationManager
             }
         });
 
-        for (InetAddress endpoint : Gossiper.instance.getLiveEndpoints())
+        for (InetAddress endpoint : Gossiper.instance.getLiveMembers())
         {
             // only push schema to nodes with known and equal versions
             if (!endpoint.equals(FBUtilities.getBroadcastAddress()) &&
@@ -439,7 +439,7 @@ public class MigrationManager
 
         Schema.instance.clear();
 
-        Set<InetAddress> liveEndpoints = Gossiper.instance.getLiveEndpoints();
+        Set<InetAddress> liveEndpoints = Gossiper.instance.getLiveMembers();
         liveEndpoints.remove(FBUtilities.getBroadcastAddress());
 
         // force migration if there are nodes around

http://git-wip-us.apache.org/repos/asf/cassandra/blob/51753263/src/java/org/apache/cassandra/service/StorageProxy.java
----------------------------------------------------------------------
diff --git a/src/java/org/apache/cassandra/service/StorageProxy.java 
b/src/java/org/apache/cassandra/service/StorageProxy.java
index 0e90ea6..fedcf3a 100644
--- a/src/java/org/apache/cassandra/service/StorageProxy.java
+++ b/src/java/org/apache/cassandra/service/StorageProxy.java
@@ -1863,7 +1863,7 @@ public class StorageProxy implements StorageProxyMBean
     {
         final String myVersion = Schema.instance.getVersion().toString();
         final Map<InetAddress, UUID> versions = new 
ConcurrentHashMap<InetAddress, UUID>();
-        final Set<InetAddress> liveHosts = 
Gossiper.instance.getLiveEndpoints();
+        final Set<InetAddress> liveHosts = Gossiper.instance.getLiveMembers();
         final CountDownLatch latch = new CountDownLatch(liveHosts.size());
 
         IAsyncCallback<UUID> cb = new IAsyncCallback<UUID>()
@@ -1897,7 +1897,7 @@ public class StorageProxy implements StorageProxyMBean
 
         // maps versions to hosts that are on that version.
         Map<String, List<String>> results = new HashMap<String, 
List<String>>();
-        Iterable<InetAddress> allHosts = 
Iterables.concat(Gossiper.instance.getLiveEndpoints(), 
Gossiper.instance.getUnreachableMembers());
+        Iterable<InetAddress> allHosts = 
Iterables.concat(Gossiper.instance.getLiveMembers(), 
Gossiper.instance.getUnreachableMembers());
         for (InetAddress host : allHosts)
         {
             UUID version = versions.get(host);
@@ -2125,11 +2125,11 @@ public class StorageProxy implements StorageProxyMBean
             // Since the truncate operation is so aggressive and is typically 
only
             // invoked by an admin, for simplicity we require that all nodes 
are up
             // to perform the operation.
-            int liveMembers = Gossiper.instance.getLiveEndpoints().size();
+            int liveMembers = Gossiper.instance.getLiveMembers().size();
             throw new UnavailableException(ConsistencyLevel.ALL, liveMembers + 
Gossiper.instance.getUnreachableMembers().size(), liveMembers);
         }
 
-        Set<InetAddress> allEndpoints = 
StorageService.instance.getLiveMembers(true);
+        Set<InetAddress> allEndpoints = 
StorageService.instance.getLiveRingMembers(true);
 
         int blockFor = allEndpoints.size();
         final TruncateResponseHandler responseHandler = new 
TruncateResponseHandler(blockFor);

http://git-wip-us.apache.org/repos/asf/cassandra/blob/51753263/src/java/org/apache/cassandra/service/StorageService.java
----------------------------------------------------------------------
diff --git a/src/java/org/apache/cassandra/service/StorageService.java 
b/src/java/org/apache/cassandra/service/StorageService.java
index 5503123..0d9e9ef 100644
--- a/src/java/org/apache/cassandra/service/StorageService.java
+++ b/src/java/org/apache/cassandra/service/StorageService.java
@@ -572,7 +572,7 @@ public class StorageService extends 
NotificationBroadcasterSupport implements IE
         while (true)
         {
             Uninterruptibles.sleepUninterruptibly(1, TimeUnit.SECONDS);
-            for (InetAddress address : Gossiper.instance.getLiveEndpoints())
+            for (InetAddress address : Gossiper.instance.getLiveMembers())
             {
                 if (!Gossiper.instance.isFatClient(address))
                     break outer;
@@ -2301,18 +2301,18 @@ public class StorageService extends 
NotificationBroadcasterSupport implements IE
 
     public List<String> getLiveNodes()
     {
-        return stringify(Gossiper.instance.getLiveEndpoints());
+        return stringify(Gossiper.instance.getLiveMembers());
     }
 
-    public Set<InetAddress> getLiveMembers()
+    public Set<InetAddress> getLiveRingMembers()
     {
-        return getLiveMembers(false);
+        return getLiveRingMembers(false);
     }
 
-    public Set<InetAddress> getLiveMembers(boolean excludeDeadStates)
+    public Set<InetAddress> getLiveRingMembers(boolean excludeDeadStates)
     {
         Set<InetAddress> ret = new HashSet<>();
-        for (InetAddress ep : Gossiper.instance.getLiveEndpoints())
+        for (InetAddress ep : Gossiper.instance.getLiveMembers())
         {
             if (excludeDeadStates)
             {
@@ -3768,7 +3768,7 @@ public class StorageService extends 
NotificationBroadcasterSupport implements IE
         if (endpoint.equals(myAddress))
              throw new UnsupportedOperationException("Cannot remove self");
 
-        if (Gossiper.instance.getLiveEndpoints().contains(endpoint))
+        if (Gossiper.instance.getLiveMembers().contains(endpoint))
             throw new UnsupportedOperationException("Node " + endpoint + " is 
alive and owns this ID. Use decommission command to remove it from the ring");
 
         // A leaving endpoint that is dead is already being removed.

Reply via email to