1 files changed, 63 insertions, 0 deletions
diff --git a/src/java/net/sf/antcontrib/util/ThreadPool.java b/src/java/net/sf/antcontrib/util/ThreadPool.java
new file mode 100644
index 0000000..f8b25b3
--- /dev/null
+++ b/src/java/net/sf/antcontrib/util/ThreadPool.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2001-2004 Ant-Contrib project.  All rights reserved.
+ *
+ * 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 net.sf.antcontrib.util;
+
+/****************************************************************************
+ * Place class description here.
+ *
+ * @author <a href='mailto:[email protected]'>Matthew Inger</a>
+ *
+ ****************************************************************************/
+
+
+public class ThreadPool
+{
+    private int maxActive;
+    private int active;
+
+
+    public ThreadPool(int maxActive)
+    {
+        super();
+        this.maxActive = maxActive;
+        this.active = 0;
+    }
+
+    public void returnThread(ThreadPoolThread thread)
+    {
+        synchronized (this)
+        {
+            active--;
+            notify();
+        }
+    }
+
+
+    public ThreadPoolThread borrowThread()
+        throws InterruptedException
+    {
+        synchronized (this)
+        {
+            if (maxActive > 0 && active >= maxActive)
+            {
+                wait();
+            }
+
+            active++;
+            return new ThreadPoolThread(this);
+        }
+    }
+}