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1   /*
2    * Copyright (C) 2010, Christian Halstrick <christian.halstrick@sap.com> and
3    * other copyright owners as documented in the project's IP log.
4    *
5    * This program and the accompanying materials are made available under the
6    * terms of the Eclipse Distribution License v1.0 which accompanies this
7    * distribution, is reproduced below, and is available at
8    * http://www.eclipse.org/org/documents/edl-v10.php
9    *
10   * All rights reserved.
11   *
12   * Redistribution and use in source and binary forms, with or without
13   * modification, are permitted provided that the following conditions are met:
14   *
15   * - Redistributions of source code must retain the above copyright notice, this
16   * list of conditions and the following disclaimer.
17   *
18   * - Redistributions in binary form must reproduce the above copyright notice,
19   * this list of conditions and the following disclaimer in the documentation
20   * and/or other materials provided with the distribution.
21   *
22   * - Neither the name of the Eclipse Foundation, Inc. nor the names of its
23   * contributors may be used to endorse or promote products derived from this
24   * software without specific prior written permission.
25   *
26   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
27   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
30   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36   * POSSIBILITY OF SUCH DAMAGE.
37   */
38  package org.eclipse.jgit.api.errors;
39  
40  import java.text.MessageFormat;
41  
42  import org.eclipse.jgit.internal.JGitText;
43  import org.eclipse.jgit.lib.Ref;
44  import org.eclipse.jgit.lib.RefUpdate;
45  
46  /**
47   * Exception thrown when a command wants to update a ref but failed because
48   * another process is accessing (or even also updating) the ref.
49   *
50   * @see org.eclipse.jgit.lib.RefUpdate.Result#LOCK_FAILURE
51   */
52  public class ConcurrentRefUpdateException extends GitAPIException {
53  	private static final long serialVersionUID = 1L;
54  	private RefUpdate.Result rc;
55  	private Ref ref;
56  
57  	/**
58  	 * Constructor for ConcurrentRefUpdateException.
59  	 *
60  	 * @param message
61  	 *            error message
62  	 * @param ref
63  	 *            a {@link org.eclipse.jgit.lib.Ref}
64  	 * @param rc
65  	 *            a {@link org.eclipse.jgit.lib.RefUpdate.Result}
66  	 * @param cause
67  	 *            a {@link java.lang.Throwable}
68  	 */
69  	public ConcurrentRefUpdateException(String message, Ref ref,
70  			RefUpdate.Result rc, Throwable cause) {
71  		super((rc == null) ? message : message + ". " //$NON-NLS-1$
72  				+ MessageFormat.format(JGitText.get().refUpdateReturnCodeWas, rc), cause);
73  		this.rc = rc;
74  		this.ref = ref;
75  	}
76  
77  	/**
78  	 * Constructor for ConcurrentRefUpdateException.
79  	 *
80  	 * @param message
81  	 *            error message
82  	 * @param ref
83  	 *            a {@link org.eclipse.jgit.lib.Ref}
84  	 * @param rc
85  	 *            a {@link org.eclipse.jgit.lib.RefUpdate.Result}
86  	 */
87  	public ConcurrentRefUpdateException(String message, Ref ref,
88  			RefUpdate.Result rc) {
89  		super((rc == null) ? message : message + ". " //$NON-NLS-1$
90  				+ MessageFormat.format(JGitText.get().refUpdateReturnCodeWas, rc));
91  		this.rc = rc;
92  		this.ref = ref;
93  	}
94  
95  	/**
96  	 * Get <code>Ref</code>
97  	 *
98  	 * @return the {@link org.eclipse.jgit.lib.Ref} which was tried to by
99  	 *         updated
100 	 */
101 	public Ref getRef() {
102 		return ref;
103 	}
104 
105 	/**
106 	 * Get result
107 	 *
108 	 * @return the result which was returned by
109 	 *         {@link org.eclipse.jgit.lib.RefUpdate#update()} and which caused
110 	 *         this error
111 	 */
112 	public RefUpdate.Result getResult() {
113 		return rc;
114 	}
115 }