Removed unnecessary pki folder.

Previously the source code was located inside a pki folder.
This folder was created during svn migration and is no longer
needed. This folder has now been removed and the contents have
been moved up one level.

Ticket #131

1 files changed, 71 insertions, 0 deletions

diff --git a/base/common/src/com/netscape/cms/request/RequestScheduler.java b/base/common/src/com/netscape/cms/request/RequestScheduler.java
new file mode 100644
index 000000000..e0ebaefc4
--- /dev/null
+++ b/base/common/src/com/netscape/cms/request/RequestScheduler.java
@@ -0,0 +1,71 @@
+// --- BEGIN COPYRIGHT BLOCK ---
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; version 2 of the License.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// (C) 2007 Red Hat, Inc.
+// All rights reserved.
+// --- END COPYRIGHT BLOCK ---
+package com.netscape.cms.request;
+
+import java.util.Vector;
+
+import com.netscape.certsrv.request.IRequest;
+import com.netscape.certsrv.request.IRequestScheduler;
+
+/**
+ * This class represents a request scheduler that prioritizes
+ * the threads based on the request processing order.
+ * The request that enters the request queue first should
+ * be processed first.
+ * 
+ * @version $Revision$, $Date$
+ */
+public class RequestScheduler implements IRequestScheduler {
+    private Vector<Thread> mRequestThreads = new Vector<Thread>();
+
+    /**
+     * Request entered the request queue processing.
+     * 
+     * @param r request
+     */
+    public synchronized void requestIn(IRequest r) {
+        Thread current = Thread.currentThread();
+
+        if (mRequestThreads.size() == 0) {
+            current.setPriority(Thread.MAX_PRIORITY);
+        }
+        mRequestThreads.addElement(current);
+    }
+
+    /**
+     * Request exited the request queue processing.
+     * 
+     * @param r request
+     */
+    public synchronized void requestOut(IRequest r) {
+        Thread current = Thread.currentThread();
+        Thread first = (Thread) mRequestThreads.elementAt(0);
+
+        if (current.equals(first)) {
+            // reprioritize
+            try {
+                Thread second = (Thread) mRequestThreads.elementAt(1);
+
+                second.setPriority(Thread.MAX_PRIORITY);
+            } catch (Exception e) {
+                // no second element; nothing to do
+            }
+        }
+        mRequestThreads.removeElement(current);
+    }
+}