From 157717b205d4c1f957cf810e04e06f11530c619c Mon Sep 17 00:00:00 2001
From: Jean-Noel Rouvignac <jean-noel.rouvignac@forgerock.com>
Date: Mon, 02 Sep 2013 08:57:43 +0000
Subject: [PATCH] Renamed: - ChangeNumber to CSN - ChangeNumberGenerator to CSNGenerator - ChangeNumberTest to CSNTest - ChangeNumberGeneratorTest to CSNGeneratorTest

---
 opends/src/server/org/opends/server/replication/plugin/RemotePendingChanges.java |   71 +++++++++++++++--------------------
 1 files changed, 30 insertions(+), 41 deletions(-)

diff --git a/opends/src/server/org/opends/server/replication/plugin/RemotePendingChanges.java b/opends/src/server/org/opends/server/replication/plugin/RemotePendingChanges.java
index 6da2771..97a7fa3 100644
--- a/opends/src/server/org/opends/server/replication/plugin/RemotePendingChanges.java
+++ b/opends/src/server/org/opends/server/replication/plugin/RemotePendingChanges.java
@@ -27,28 +27,19 @@
  */
 package org.opends.server.replication.plugin;
 
-import java.util.NoSuchElementException;
-import java.util.SortedMap;
-import java.util.SortedSet;
-import java.util.TreeMap;
-import java.util.TreeSet;
+import java.util.*;
 
 import org.opends.server.core.AddOperation;
 import org.opends.server.core.DeleteOperation;
 import org.opends.server.core.ModifyDNOperationBasis;
 import org.opends.server.core.ModifyOperation;
-import org.opends.server.replication.common.ChangeNumber;
+import org.opends.server.replication.common.CSN;
 import org.opends.server.replication.common.ServerState;
-import org.opends.server.replication.protocol.AddMsg;
-import org.opends.server.replication.protocol.DeleteMsg;
-import org.opends.server.replication.protocol.ModifyDNMsg;
-import org.opends.server.replication.protocol.OperationContext;
-import org.opends.server.replication.protocol.LDAPUpdateMsg;
+import org.opends.server.replication.protocol.*;
 import org.opends.server.types.DN;
 import org.opends.server.types.Operation;
 
 /**
- *
  * This class is used to store the list of remote changes received
  * from a replication server and that are either currently being replayed
  * or that are waiting for being replayed.
@@ -57,15 +48,14 @@
  * the dependencies between operations.
  *
  * One of this object is instantiated for each ReplicationDomain.
- *
  */
 public final class RemotePendingChanges
 {
   /**
    * A map used to store the pending changes.
    */
-  private SortedMap<ChangeNumber, PendingChange> pendingChanges =
-    new TreeMap<ChangeNumber, PendingChange>();
+  private SortedMap<CSN, PendingChange> pendingChanges =
+    new TreeMap<CSN, PendingChange>();
 
   /**
    * A sorted set containing the list of PendingChanges that have
@@ -110,33 +100,32 @@
    */
   public synchronized void putRemoteUpdate(LDAPUpdateMsg update)
   {
-    ChangeNumber changeNumber = update.getChangeNumber();
-    pendingChanges.put(changeNumber, new PendingChange(changeNumber, null,
-                                                        update));
+    CSN csn = update.getCSN();
+    pendingChanges.put(csn, new PendingChange(csn, null, update));
   }
 
   /**
    * Mark an update message as committed.
    *
-   * @param changeNumber The ChangeNumber of the update message that must be
-   *                     set as committed.
+   * @param csn
+   *          The CSN of the update message that must be set as committed.
    */
-  public synchronized void commit(ChangeNumber changeNumber)
+  public synchronized void commit(CSN csn)
   {
-    PendingChange curChange = pendingChanges.get(changeNumber);
+    PendingChange curChange = pendingChanges.get(csn);
     if (curChange == null)
     {
       throw new NoSuchElementException();
     }
     curChange.setCommitted(true);
 
-    ChangeNumber firstChangeNumber = pendingChanges.firstKey();
-    PendingChange firstChange = pendingChanges.get(firstChangeNumber);
+    CSN firstCSN = pendingChanges.firstKey();
+    PendingChange firstChange = pendingChanges.get(firstCSN);
 
     while ((firstChange != null) && firstChange.isCommitted())
     {
-      state.update(firstChangeNumber);
-      pendingChanges.remove(firstChangeNumber);
+      state.update(firstCSN);
+      pendingChanges.remove(firstCSN);
 
       if (pendingChanges.isEmpty())
       {
@@ -144,8 +133,8 @@
       }
       else
       {
-        firstChangeNumber = pendingChanges.firstKey();
-        firstChange = pendingChanges.get(firstChangeNumber);
+        firstCSN = pendingChanges.firstKey();
+        firstChange = pendingChanges.get(firstCSN);
       }
     }
   }
@@ -182,7 +171,7 @@
   private void addDependency(
       PendingChange dependentChange, PendingChange pendingChange)
   {
-    dependentChange.addDependency(pendingChange.getChangeNumber());
+    dependentChange.addDependency(pendingChange.getCSN());
     dependentChanges.add(dependentChange);
   }
 
@@ -206,14 +195,14 @@
   {
     boolean hasDependencies = false;
     DN targetDn = op.getEntryDN();
-    ChangeNumber changeNumber = OperationContext.getChangeNumber(op);
-    PendingChange change = pendingChanges.get(changeNumber);
+    CSN csn = OperationContext.getCSN(op);
+    PendingChange change = pendingChanges.get(csn);
     if (change == null)
       return false;
 
     for (PendingChange pendingChange : pendingChanges.values())
     {
-      if (pendingChange.getChangeNumber().older(changeNumber))
+      if (pendingChange.getCSN().older(csn))
       {
         LDAPUpdateMsg pendingMsg = pendingChange.getMsg();
         if (pendingMsg != null)
@@ -296,14 +285,14 @@
   {
     boolean hasDependencies = false;
     DN targetDn = op.getEntryDN();
-    ChangeNumber changeNumber = OperationContext.getChangeNumber(op);
-    PendingChange change = pendingChanges.get(changeNumber);
+    CSN csn = OperationContext.getCSN(op);
+    PendingChange change = pendingChanges.get(csn);
     if (change == null)
       return false;
 
     for (PendingChange pendingChange : pendingChanges.values())
     {
-      if (pendingChange.getChangeNumber().older(changeNumber))
+      if (pendingChange.getCSN().older(csn))
       {
         LDAPUpdateMsg pendingMsg = pendingChange.getMsg();
         if (pendingMsg != null)
@@ -354,8 +343,8 @@
   public synchronized boolean checkDependencies(ModifyDNMsg msg)
   {
     boolean hasDependencies = false;
-    ChangeNumber changeNumber = msg.getChangeNumber();
-    PendingChange change = pendingChanges.get(changeNumber);
+    CSN csn = msg.getCSN();
+    PendingChange change = pendingChanges.get(csn);
     if (change == null)
       return false;
 
@@ -364,7 +353,7 @@
 
     for (PendingChange pendingChange : pendingChanges.values())
     {
-      if (pendingChange.getChangeNumber().older(changeNumber))
+      if (pendingChange.getCSN().older(csn))
       {
         LDAPUpdateMsg pendingMsg = pendingChange.getMsg();
         if (pendingMsg != null)
@@ -441,14 +430,14 @@
   {
     boolean hasDependencies = false;
     DN targetDn = op.getEntryDN();
-    ChangeNumber changeNumber = OperationContext.getChangeNumber(op);
-    PendingChange change = pendingChanges.get(changeNumber);
+    CSN csn = OperationContext.getCSN(op);
+    PendingChange change = pendingChanges.get(csn);
     if (change == null)
       return false;
 
     for (PendingChange pendingChange : pendingChanges.values())
     {
-      if (pendingChange.getChangeNumber().older(changeNumber))
+      if (pendingChange.getCSN().older(csn))
       {
         LDAPUpdateMsg pendingMsg = pendingChange.getMsg();
         if (pendingMsg != null)

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