From 71ebb3724c79a7d1218c36f080acd6ee162b9cd2 Mon Sep 17 00:00:00 2001
From: gbellato <gbellato@localhost>
Date: Thu, 26 Apr 2007 06:31:01 +0000
Subject: [PATCH] Rename the class with names containing synchronization or changelog. Replace most of the changelog occurences with replication server. (issue 1090)

---
 opends/src/server/org/opends/server/replication/server/DbHandler.java |   49 +++++++++++++++++++++++++------------------------
 1 files changed, 25 insertions(+), 24 deletions(-)

diff --git a/opends/src/server/org/opends/server/replication/server/DbHandler.java b/opends/src/server/org/opends/server/replication/server/DbHandler.java
index ba37087..f8d5e45 100644
--- a/opends/src/server/org/opends/server/replication/server/DbHandler.java
+++ b/opends/src/server/org/opends/server/replication/server/DbHandler.java
@@ -50,16 +50,16 @@
 import org.opends.server.core.DirectoryServer;
 import org.opends.server.replication.common.ChangeNumber;
 import org.opends.server.replication.protocol.UpdateMessage;
-import org.opends.server.replication.server.ChangelogDB.ChangelogCursor;
+import org.opends.server.replication.server.ReplicationDB.ReplServerDBCursor;
 
 import com.sleepycat.je.DatabaseException;
 
 /**
- * This class is used for managing the changelog database for each servers
- * in the topology.
+ * This class is used for managing the replicationServer database for each
+ * server in the topology.
  * It is responsible for efficiently saving the updates that is received from
  * each master server into stable storage.
- * This class is also able to generate a ChangelogIterator that can be
+ * This class is also able to generate a ReplicationIterator that can be
  * used to read all changes from a given ChangeNUmber.
  *
  * This class publish some monitoring information below cn=monitor.
@@ -70,10 +70,10 @@
   // This queue hold all the updates not yet saved to stable storage
   // it is only used as a temporary placeholder so that the write
   // in the stable storage can be grouped for efficiency reason.
-  // it is never read back by changelog threads that are responsible
-  // for pushing the changes to other changelog server or to LDAP server
+  // it is never read back by replicationServer threads that are responsible
+  // for pushing the changes to other replication server or to LDAP server
   private LinkedList<UpdateMessage> msgQueue = new LinkedList<UpdateMessage>();
-  private ChangelogDB db;
+  private ReplicationDB db;
   private ChangeNumber firstChange = null;
   private ChangeNumber lastChange = null;
   private short serverId;
@@ -93,21 +93,22 @@
    *
    * @param id Identifier of the DB.
    * @param baseDn the baseDn for which this DB was created.
-   * @param changelog The Changelog that creates this dbHandler.
-   * @param dbenv the Database Env to use to create the Changelog DB.
+   * @param replicationServer The ReplicationServer that creates this dbHandler.
+   * @param dbenv the Database Env to use to create the ReplicationServer DB.
    * @throws DatabaseException If a database problem happened
    */
-  public DbHandler(short id, DN baseDn, Changelog changelog,
-      ChangelogDbEnv dbenv)
+  public DbHandler(short id, DN baseDn, ReplicationServer replicationServer,
+      ReplicationDbEnv dbenv)
          throws DatabaseException
   {
     this.serverId = id;
     this.baseDn = baseDn;
-    this.trimage = changelog.getTrimage();
-    db = new ChangelogDB(id, baseDn, changelog, dbenv);
+    this.trimage = replicationServer.getTrimage();
+    db = new ReplicationDB(id, baseDn, replicationServer, dbenv);
     firstChange = db.readFirstChange();
     lastChange = db.readLastChange();
-    thread = new DirectoryThread(this, "changelog db " + id + " " +  baseDn);
+    thread = new DirectoryThread(this,
+                                 "Replication Server db " + id + " " +  baseDn);
     thread.start();
 
     DirectoryServer.deregisterMonitorProvider(
@@ -194,13 +195,13 @@
   }
 
   /**
-   * Generate a new ChangelogIterator that allows to browse the db
+   * Generate a new ReplicationIterator that allows to browse the db
    * managed by this dbHandler and starting at the position defined
    * by a given changeNumber.
    *
    * @param changeNumber The position where the iterator must start.
    *
-   * @return a new ChangelogIterator that allows to browse the db
+   * @return a new ReplicationIterator that allows to browse the db
    *         managed by this dbHandler and starting at the position defined
    *         by a given changeNumber.
    *
@@ -208,7 +209,7 @@
    * @throws Exception  If there is no other change to push after change
    *         with changeNumber number.
    */
-  public ChangelogIterator generateIterator(ChangeNumber changeNumber)
+  public ReplicationIterator generateIterator(ChangeNumber changeNumber)
                            throws DatabaseException, Exception
   {
     /*
@@ -243,7 +244,7 @@
       flush();
     }
 
-    return new ChangelogIterator(serverId, db, changeNumber);
+    return new ReplicationIterator(serverId, db, changeNumber);
   }
 
   /**
@@ -297,7 +298,7 @@
 
   /**
    * Run method for this class.
-   * Periodically Flushes the ChangelogCache from memory to the stable storage
+   * Periodically Flushes the ReplicationCache from memory to the stable storage
    * and trims the old updates.
    */
   public void run()
@@ -337,7 +338,7 @@
   }
 
   /**
-   * Flush old change information from this changelog database.
+   * Flush old change information from this replicationServer database.
    * @throws DatabaseException In case of database problem.
    */
   private void trim() throws DatabaseException, Exception
@@ -352,7 +353,7 @@
     /* the trim is done by group in order to save some CPU and IO bandwidth
      * start the transaction then do a bunch of remove then commit
      */
-    ChangelogCursor cursor;
+    ReplServerDBCursor cursor;
 
     cursor = db.openDeleteCursor();
 
@@ -421,7 +422,7 @@
   {
     private DbMonitorProvider()
     {
-      super("Changelog Database");
+      super("ReplicationServer Database");
     }
 
     /**
@@ -431,7 +432,7 @@
     public ArrayList<Attribute> getMonitorData()
     {
       ArrayList<Attribute> attributes = new ArrayList<Attribute>();
-      attributes.add(new Attribute("changelog-database",
+      attributes.add(new Attribute("replicationServer-database",
                                    String.valueOf(serverId)));
       attributes.add(new Attribute("base-dn", baseDn.toString()));
       if (firstChange != null)
@@ -456,7 +457,7 @@
     @Override
     public String getMonitorInstanceName()
     {
-      return "Changelog database " + baseDn.toString() +
+      return "ReplicationServer database " + baseDn.toString() +
              " " + String.valueOf(serverId);
     }
 

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