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[pf3gnuchains/gcc-fork.git] / libjava / classpath / examples / gnu / classpath / examples / CORBA / SimpleCommunication / communication / nodeHolder.java

diff --git a/libjava/classpath/examples/gnu/classpath/examples/CORBA/SimpleCommunication/communication/nodeHolder.java b/libjava/classpath/examples/gnu/classpath/examples/CORBA/SimpleCommunication/communication/nodeHolder.java
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+/* nodeHolder.java --
+   Copyright (C) 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath 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; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.classpath.examples.CORBA.SimpleCommunication.communication;
+
+import org.omg.CORBA.TypeCode;
+import org.omg.CORBA.portable.InputStream;
+import org.omg.CORBA.portable.OutputStream;
+import org.omg.CORBA.portable.Streamable;
+
+/**
+ * The node holder is a wrapper about the node data structure. It
+ * can be used where the node must be passed both to and from
+ * the method being called. The same structure holds the tree,
+ * as it can be represented as a root node with children.
+ *
+ * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
+ */
+public class nodeHolder
+  implements Streamable
+{
+  /**
+   * Stores the node value.
+   */
+  public node value;
+
+  /**
+   * Creates the node holder with the null initial value.
+   */
+  public nodeHolder()
+  {
+  }
+
+  /**
+   * Creates the node holder with the given initial value.
+   */
+  public nodeHolder(node initialValue)
+  {
+    value = initialValue;
+  }
+
+  /**
+   * Reads the node value from the common data representation (CDR)
+   * stream.
+   */
+  public void _read(InputStream in)
+  {
+    value = nodeHelper.read(in);
+  }
+
+  /**
+   * Writes the node value into common data representation (CDR)
+   * stream.
+   * @return
+   */
+  public TypeCode _type()
+  {
+    return nodeHelper.type();
+  }
+
+  public void _write(OutputStream out)
+  {
+    nodeHelper.write(out, value);
+  }
+}