Remove unused code.

h2/src/main/org/h2/engine/DbObject.java

@@ -90,18 +90,6 @@ public interface DbObject {
      */
     int AGGREGATE = 14;
 
-    /**
-     * Tell the object that is was modified.
-     */
-    void setModified();
-
-    /**
-     * Get the last modification id.
-     *
-     * @return the modification id
-     */
-    long getModificationId();
-
     /**
      * Get the SQL name of this object (may be quoted).
      *

h2/src/main/org/h2/expression/FunctionCall.java

@@ -7,7 +7,6 @@
 package org.h2.expression;
 
 import org.h2.engine.Session;
-import org.h2.value.Value;
 import org.h2.value.ValueResultSet;
 
 /**
@@ -54,14 +53,6 @@ public interface FunctionCall {
      */
     Expression optimize(Session session);
 
-    /**
-     * Calculate the result.
-     *
-     * @param session the session
-     * @return the result
-     */
-    Value getValue(Session session);
-
     /**
      * Get the function arguments.
      *

h2/src/main/org/h2/index/MultiVersionIndex.java

@@ -278,10 +278,6 @@ public class MultiVersionIndex implements Index {
         return base.getId();
     }
 
-    public long getModificationId() {
-        return base.getModificationId();
-    }
-
     public String getName() {
         return base.getName();
     }
@@ -298,10 +294,6 @@ public class MultiVersionIndex implements Index {
         base.setComment(comment);
     }
 
-    public void setModified() {
-        base.setModified();
-    }
-
     public void setTemporary(boolean temporary) {
         base.setTemporary(temporary);
     }

h2/src/main/org/h2/store/fs/FileSystem.java

@@ -222,15 +222,6 @@ public abstract class FileSystem {
      */
     public abstract void copy(String source, String target);
 
-    /**
-     * Create all required directories.
-     *
-     * @param directoryName the directory name
-     */
-    public void mkdirs(String directoryName) {
-        createDirs(directoryName + "/x");
-    }
-
     /**
      * Create all required directories that are required for this file.
      *

h2/src/test/org/h2/test/unit/TestFileSystem.java

@@ -185,7 +185,7 @@ public class TestFileSystem extends TestBase {
         for (String s : fs.listFiles(fsBase)) {
             fs.delete(s);
         }
-        fs.mkdirs(fsBase + "/test");
+        fs.createDirs(fsBase + "/test/x");
         fs.delete(fsBase + "/test");
         fs.delete(fsBase + "/test2");
         assertTrue(fs.createNewFile(fsBase + "/test"));

h2/src/tools/org/h2/dev/ftp/server/FtpControl.java

@@ -355,7 +355,7 @@ public class FtpControl extends Thread {
         boolean ok = false;
         if (!readonly) {
             try {
-                fs.mkdirs(fileName);
+                fs.createDirs(fileName + "/x");
                 reply(257, StringUtils.quoteIdentifier(param) + " directory");
                 ok = true;
             } catch (Exception e) {

h2/src/tools/org/h2/dev/ftp/server/FtpServer.java

@@ -354,7 +354,7 @@ public class FtpServer extends Tool implements Service {
     public void start() {
         fs = FileSystem.getInstance(root);
         root = fs.getCanonicalPath(root);
-        fs.mkdirs(root);
+        fs.createDirs(root + "/x");
         serverSocket = NetUtils.createServerSocket(port, false);
         port = serverSocket.getLocalPort();
     }