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annotate dwtx/core/commands/common/CommandException.d @ 90:7ffeace6c47f

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Update 3.4M7 to 3.4
author Frank Benoit <benoit@tionex.de>
date Sun, 06 Jul 2008 23:30:07 +0200
parents 46a6e0e6ccd4
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1 /*******************************************************************************
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2 * Copyright (c) 2004, 2008 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwtx.core.commands.common.CommandException;
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15 import dwt.dwthelper.utils;
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17 /**
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18 * Signals that an exception occured within the command architecture.
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19 * <p>
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20 * This class is not intended to be extended by clients.
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21 * </p>
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22 *
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23 * @since 3.1
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24 * @noextend This class is not intended to be subclassed by clients.
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25 */
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26 public abstract class CommandException : Exception {
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28 /**
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29 * Generated serial version UID for this class.
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30 *
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31 * @since 3.4
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32 */
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33 private static final long serialVersionUID = 5389763628699257234L;
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34
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35 /**
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36 * This member variable is required here to allow us to compile against JCL
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37 * foundation libraries. The value may be <code>null</code>.
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38 */
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39 // private Exception cause;
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41 /**
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42 * Creates a new instance of this class with the specified detail message.
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43 *
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44 * @param message
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45 * the detail message; may be <code>null</code>.
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46 */
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47 public this(String message) {
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48 super(message);
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49 }
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50
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51 /**
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52 * Creates a new instance of this class with the specified detail message
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53 * and cause.
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54 *
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55 * @param message
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56 * the detail message; may be <code>null</code>.
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57 * @param cause
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58 * the cause; may be <code>null</code>.
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59 */
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60 public this(String message, Exception cause) {
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61 super(message);
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62 // don't pass the cause to super, to allow compilation against JCL Foundation
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63 this.next = cause;
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64 }
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66 /**
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67 * Returns the cause of this throwable or <code>null</code> if the
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68 * cause is nonexistent or unknown.
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69 *
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70 * @return the cause or <code>null</code>
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71 */
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72 public /+override+/ Exception getCause() {
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73 return next;
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74 }
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76 }