Added code contributed by BJ Hargrave to begin a Servlet 2.1 API bundle (FELIX-40).
git-svn-id: https://svn.apache.org/repos/asf/incubator/felix/trunk@355208 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/javax.servlet/src/main/java/javax/servlet/SingleThreadModel.java b/javax.servlet/src/main/java/javax/servlet/SingleThreadModel.java
new file mode 100644
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+++ b/javax.servlet/src/main/java/javax/servlet/SingleThreadModel.java
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+/*
+ * Copyright 1999,2005 The Apache Software Foundation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package javax.servlet;
+
+/**
+ * Ensures that servlets handle
+ * only one request at a time. This interface has no methods.
+ *
+ * <p>If a servlet implements this interface, you are <i>guaranteed</i>
+ * that no two threads will execute concurrently in the
+ * servlet's <code>service</code> method. The servlet container
+ * can make this guarantee by synchronizing access to a single
+ * instance of the servlet, or by maintaining a pool of servlet
+ * instances and dispatching each new request to a free servlet.
+ *
+ * <p>This interface does not prevent
+ * synchronization problems that result from servlets accessing shared
+ * resources such as static class variables or classes outside
+ * the scope of the servlet.
+ *
+ *
+ * @author Various
+ * @version $Version$
+ *
+ */
+
+public interface SingleThreadModel {
+}