1 files changed, 80 insertions, 0 deletions
diff --git a/src/org/apache/http/impl/conn/tsccm/BasicPoolEntryRef.java b/src/org/apache/http/impl/conn/tsccm/BasicPoolEntryRef.java
new file mode 100644
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+++ b/src/org/apache/http/impl/conn/tsccm/BasicPoolEntryRef.java
@@ -0,0 +1,80 @@
+/*
+ * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/conn/tsccm/BasicPoolEntryRef.java $
+ * $Revision: 674186 $
+ * $Date: 2008-07-05 05:18:54 -0700 (Sat, 05 Jul 2008) $
+ *
+ * ====================================================================
+ *
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http.impl.conn.tsccm;
+
+
+import java.lang.ref.WeakReference;
+import java.lang.ref.ReferenceQueue;
+
+import org.apache.http.conn.routing.HttpRoute;
+
+
+
+/**
+ * A weak reference to a {@link BasicPoolEntry BasicPoolEntry}.
+ * This reference explicitly keeps the planned route, so the connection
+ * can be reclaimed if it is lost to garbage collection.
+ */
+public class BasicPoolEntryRef extends WeakReference<BasicPoolEntry> {
+
+    /** The planned route of the entry. */
+    private final HttpRoute route;
+
+
+    /**
+     * Creates a new reference to a pool entry.
+     *
+     * @param entry   the pool entry, must not be <code>null</code>
+     * @param queue   the reference queue, or <code>null</code>
+     */
+    public BasicPoolEntryRef(BasicPoolEntry entry,
+                             ReferenceQueue<Object> queue) {
+        super(entry, queue);
+        if (entry == null) {
+            throw new IllegalArgumentException
+                ("Pool entry must not be null.");
+        }
+        route = entry.getPlannedRoute();
+    }
+
+
+    /**
+     * Obtain the planned route for the referenced entry.
+     * The planned route is still available, even if the entry is gone.
+     *
+     * @return      the planned route
+     */
+    public final HttpRoute getRoute() {
+        return this.route;
+    }
+
+} // class BasicPoolEntryRef
+