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Java > Open Source Codes > org > eclipse > jdi > internal > DoubleTypeImpl


1 /*******************************************************************************
2  * Copyright (c) 2000, 2005 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.jdi.internal;
12
13
14 import com.sun.jdi.DoubleType;
15 import com.sun.jdi.Value;
16
17 /**
18  * this class implements the corresponding interfaces
19  * declared by the JDI specification. See the com.sun.jdi package
20  * for more information.
21  *
22  */
23 public class DoubleTypeImpl extends PrimitiveTypeImpl implements DoubleType {
24     /**
25      * Creates new instance.
26      */
27     public DoubleTypeImpl(VirtualMachineImpl vmImpl) {
28         super("DoubleType", vmImpl, "double" , "D"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
29 }
30     
31     /**
32      * @returns primitive type tag.
33      */
34     public byte tag() {
35         return DoubleValueImpl.tag;
36     }
37     
38     /**
39      * @return Create a null value instance of the type.
40      */
41     public Value createNullValue() {
42         return virtualMachineImpl().mirrorOf(0.0D);
43     }
44 }
45
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