--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/EDU/oswego/cs/dl/util/concurrent/DefaultChannelCapacity.java	Sat Mar 21 11:00:06 2009 +0000
@@ -0,0 +1,54 @@
+/*
+  File: DefaultChannelCapacity.java
+
+  Originally written by Doug Lea and released into the public domain.
+  This may be used for any purposes whatsoever without acknowledgment.
+  Thanks for the assistance and support of Sun Microsystems Labs,
+  and everyone contributing, testing, and using this code.
+
+  History:
+  Date       Who                What
+  11Jun1998  dl               Create public version
+*/
+
+package EDU.oswego.cs.dl.util.concurrent;
+
+/**
+ * A utility class to set the default capacity of
+ * BoundedChannel
+ * implementations that otherwise require a capacity argument
+ * @see BoundedChannel
+ * [<a href="http://gee.cs.oswego.edu/dl/classes/EDU/oswego/cs/dl/util/concurrent/intro.html"> Introduction to this package. </a>] <p>
+ **/
+
+public class DefaultChannelCapacity {
+
+  /** The initial value of the default capacity is 1024 **/
+  public static final int INITIAL_DEFAULT_CAPACITY = 1024;
+
+  /**  the current default capacity **/
+  private static final SynchronizedInt defaultCapacity_ = 
+    new SynchronizedInt(INITIAL_DEFAULT_CAPACITY);
+
+  /**
+   * Set the default capacity used in 
+   * default (no-argument) constructor for BoundedChannels
+   * that otherwise require a capacity argument.
+   * @exception IllegalArgumentException if capacity less or equal to zero
+   */
+  public static void set(int capacity) {
+    if (capacity <= 0) throw new IllegalArgumentException();
+    defaultCapacity_.set(capacity);
+  }
+
+  /**
+   * Get the default capacity used in 
+   * default (no-argument) constructor for BoundedChannels
+   * that otherwise require a capacity argument.
+   * Initial value is <code>INITIAL_DEFAULT_CAPACITY</code>
+   * @see #INITIAL_DEFAULT_CAPACITY
+   */
+  public static int get() {
+    return defaultCapacity_.get();
+  }
+}