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authorAudrius Meskauskas <audriusa@Bioinformatics.org>2005-03-06 09:13:35 +0000
committerAudrius Meskauskas <audriusa@Bioinformatics.org>2005-03-06 09:13:35 +0000
commit50afd4b26120620b1bea8266ad610461ef3f65a5 (patch)
treefaeb68cc5877d4c82c8753298d85c947066e2b2e /org/omg/CORBA/DoubleHolder.java
parentc3933728ad0bf9df5b34ccdeab47960b8a712c80 (diff)
downloadclasspath-50afd4b26120620b1bea8266ad610461ef3f65a5.tar.gz
2005-03-06 Audrius Meskauskas <audriusa@bluewin.ch>
* org/omg/CORBA/IntHolder.java: new file * org/omg/CORBA/LongHolder.java: new file * org/omg/CORBA/ShortHolder.java: new file * org/omg/CORBA/StringHolder.java: new file * org/omg/CORBA/TypeCodeHolder.java: new file * org/omg/CORBA/BooleanHolder.java: new file * org/omg/CORBA/ByteHolder.java: new file * org/omg/CORBA/CharHolder.java: new file * org/omg/CORBA/DoubleHolder.java: new file * org/omg/CORBA/FixedHolder.java: new file * org/omg/CORBA/FloatHolder.java: new file * org/omg/CORBA/primitiveTypeCode.java: new file * org/omg/CORBA/primitiveArrayTypeCode.java: new file
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+/* DoubleHolder.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., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 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 org.omg.CORBA;
+
+import org.omg.CORBA.portable.InputStream;
+import org.omg.CORBA.portable.OutputStream;
+import org.omg.CORBA.portable.Streamable;
+
+/**
+ * A holder for CORBA <code>double</code> that is mapped into
+ * java <code>double</code>.
+ *
+ * The holders have several application areas. The end user usually
+ * sees them implementing CORBA methods where the primitive type
+ * is passed by reference. While CORBA (or, for example, C) supports
+ * this, the java does not and a wrapper class is required.
+ *
+ * @author Audrius Meskauskas (AudriusA@Bioinformatics.org)
+ */
+public final class DoubleHolder
+ implements Streamable
+{
+ /**
+ * The default type code for this holder.
+ */
+ private static final TypeCode t_double =
+ new primitiveTypeCode(TCKind.tk_double);
+
+ /**
+ * The <code>double</code> (CORBA <code>double</code>) value,
+ * held by this DoubleHolder.
+ */
+ public double value;
+
+ /**
+ * Constructs an instance of DoubleHolder,
+ * initializing {@link #value} to <code>0.0</code>.
+ */
+ public DoubleHolder()
+ {
+ }
+
+ /**
+ * Constructs an instance of DoubleHolder,
+ * initializing {@link #value} to the given <code>double</code>.
+ *
+ * @param initial_value a value that will be assigned to the
+ * {@link #value} field.
+ */
+ public DoubleHolder(double initial_value)
+ {
+ value = initial_value;
+ }
+
+ /**
+ * Fill in the {@link value } field by reading the required data
+ * from the given stream. For <code>double</code>, the functionality
+ * is delegated to
+ * {@link org.omg.CORBA.portable.InputStream#read_double}.
+ *
+ * @param input the input stream to read from.
+ */
+ public void _read(InputStream input)
+ {
+ input.read_double();
+ }
+
+ /**
+ * Returns the TypeCode, corresponding the CORBA type that is stored
+ * using this holder.
+ */
+ public TypeCode _type()
+ {
+ return t_double;
+ }
+
+ /**
+ * Write the {@link value } field to the given stream.
+ * For <code>double</code>, the functionality
+ * is delegated to
+ * {@link org.omg.CORBA.portable.OutputStream#write_double(double) }.
+ *
+ * @param output the output stream to write into.
+ */
+ public void _write(OutputStream output)
+ {
+ output.write_double(value);
+ }
+}