Source Code Cross Referenced for UIJob.java in  » IDE-Eclipse » ui-workbench » org » eclipse » ui » progress » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » IDE Eclipse » ui workbench » org.eclipse.ui.progress 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*******************************************************************************
002:         * Copyright (c) 2003, 2006 IBM Corporation and others.
003:         * All rights reserved. This program and the accompanying materials
004:         * are made available under the terms of the Eclipse Public License v1.0
005:         * which accompanies this distribution, and is available at
006:         * http://www.eclipse.org/legal/epl-v10.html
007:         *
008:         * Contributors:
009:         *     IBM - Initial API and implementation
010:         *******************************************************************************/package org.eclipse.ui.progress;
011:
012:        import org.eclipse.core.runtime.Assert;
013:        import org.eclipse.core.runtime.IProgressMonitor;
014:        import org.eclipse.core.runtime.IStatus;
015:        import org.eclipse.core.runtime.Status;
016:        import org.eclipse.core.runtime.jobs.Job;
017:        import org.eclipse.swt.widgets.Display;
018:        import org.eclipse.ui.PlatformUI;
019:        import org.eclipse.ui.internal.WorkbenchPlugin;
020:        import org.eclipse.ui.internal.misc.UIStats;
021:        import org.eclipse.ui.internal.progress.ProgressMessages;
022:
023:        /**
024:         * The UIJob is a Job that runs within the UI Thread via an asyncExec.
025:         * 
026:         * @since 3.0
027:         */
028:        public abstract class UIJob extends Job {
029:            private Display cachedDisplay;
030:
031:            /**
032:             * Create a new instance of the receiver with the supplied name. The display
033:             * used will be the one from the workbench if this is available. UIJobs with
034:             * this constructor will determine thier display at runtime.
035:             * 
036:             * @param name
037:             *            the job name
038:             *  
039:             */
040:            public UIJob(String name) {
041:                super (name);
042:            }
043:
044:            /**
045:             * Create a new instance of the receiver with the supplied Display.
046:             * 
047:             * @param jobDisplay
048:             *            the display
049:             * @param name
050:             *            the job name
051:             * @see Job
052:             */
053:            public UIJob(Display jobDisplay, String name) {
054:                this (name);
055:                setDisplay(jobDisplay);
056:            }
057:
058:            /**
059:             * Convenience method to return a status for an exception.
060:             * 
061:             * @param exception
062:             * @return IStatus an error status built from the exception
063:             * @see Job
064:             */
065:            public static IStatus errorStatus(Throwable exception) {
066:                return WorkbenchPlugin.getStatus(exception);
067:            }
068:
069:            /**
070:             * @see org.eclipse.core.runtime.jobs.Job#run(org.eclipse.core.runtime.IProgressMonitor)
071:             *      Note: this message is marked final. Implementors should use
072:             *      runInUIThread() instead.
073:             */
074:            public final IStatus run(final IProgressMonitor monitor) {
075:                if (monitor.isCanceled()) {
076:                    return Status.CANCEL_STATUS;
077:                }
078:                Display asyncDisplay = getDisplay();
079:                if (asyncDisplay == null || asyncDisplay.isDisposed()) {
080:                    return Status.CANCEL_STATUS;
081:                }
082:                asyncDisplay.asyncExec(new Runnable() {
083:                    public void run() {
084:                        IStatus result = null;
085:                        try {
086:                            //As we are in the UI Thread we can
087:                            //always know what to tell the job.
088:                            setThread(Thread.currentThread());
089:                            if (monitor.isCanceled()) {
090:                                result = Status.CANCEL_STATUS;
091:                            } else {
092:                                UIStats.start(UIStats.UI_JOB, getName());
093:                                result = runInUIThread(monitor);
094:                            }
095:
096:                        } finally {
097:                            UIStats.end(UIStats.UI_JOB, UIJob.this , getName());
098:                            if (result == null) {
099:                                result = new Status(IStatus.ERROR,
100:                                        PlatformUI.PLUGIN_ID, IStatus.ERROR,
101:                                        ProgressMessages.Error, null);
102:                            }
103:                            done(result);
104:                        }
105:                    }
106:                });
107:                return Job.ASYNC_FINISH;
108:            }
109:
110:            /**
111:             * Run the job in the UI Thread.
112:             * 
113:             * @param monitor
114:             * @return IStatus
115:             */
116:            public abstract IStatus runInUIThread(IProgressMonitor monitor);
117:
118:            /**
119:             * Sets the display to execute the asyncExec in. Generally this is not'
120:             * used if there is a valid display avaialble via PlatformUI.isWorkbenchRunning().
121:             * 
122:             * @param runDisplay
123:             *            Display
124:             * @see UIJob#getDisplay()
125:             * @see PlatformUI#isWorkbenchRunning()
126:             */
127:            public void setDisplay(Display runDisplay) {
128:                Assert.isNotNull(runDisplay);
129:                cachedDisplay = runDisplay;
130:            }
131:
132:            /**
133:             * Returns the display for use by the receiver when running in an
134:             * asyncExec. If it is not set then the display set in the workbench
135:             * is used.
136:             * If the display is null the job will not be run.
137:             * 
138:             * @return Display or <code>null</code>.
139:             */
140:            public Display getDisplay() {
141:                //If it was not set get it from the workbench
142:                if (cachedDisplay == null && PlatformUI.isWorkbenchRunning()) {
143:                    return PlatformUI.getWorkbench().getDisplay();
144:                }
145:                return cachedDisplay;
146:            }
147:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.