Attachment #129303 for bug #269248

Some Eclipse Foundation services are deprecated, or will be soon. Please ensure you've read this important communication.




package org.eclipse.jface.tests.performance;

import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;

/**
 * @since 3.5
 */
public class Bug269248TreeViewerSorterPerformance extends TreeTest {

	private final String sortProp = "SORT";

	private class Sorter extends ViewerSorter {

		boolean reverse = false;

		/* (non-Javadoc)
		 * @see org.eclipse.jface.viewers.ViewerComparator#compare(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
		 */
		public int compare(Viewer viewer, Object e1, Object e2) {
			if (reverse)
				return -super.compare(viewer, e1, e2);
			return super.compare(viewer, e1, e2);
		}

		/* (non-Javadoc)
		 * @see org.eclipse.jface.viewers.ViewerComparator#sort(org.eclipse.jface.viewers.Viewer, java.lang.Object[])
		 */
		public void sort(Viewer viewer, Object[] elements) {
			long time = System.currentTimeMillis();
			super.sort(viewer, elements);
			System.out.println("#sort (" + elements.length + " element) time taken: " + (System.currentTimeMillis() - time));
		}

		public boolean isSorterProperty(Object element, String property) {
			return sortProp.equals(property);
		};

		public void reverse() {
			reverse = !reverse;
		}
	}

	/**
	 * @param testName
	 * @param tagging
	 */
	public Bug269248TreeViewerSorterPerformance(String testName, int tagging) {
		super(testName, tagging);
	}

	/**
	 * @param testName
	 */
	public Bug269248TreeViewerSorterPerformance(String testName) {
		super(testName);
	}

	public void testTreeSortRefresh() {
		openBrowser();

		Sorter s = new Sorter();
		viewer.setSorter(s);

		TestTreeElement input = new TestTreeElement(0, null);
		viewer.setInput(input);
		input.createChildren(15000);
		processEvents();
		viewer.add(input, input.children);

		long total = 0;
		for (int i = 0; i < 10; i++) {
			processEvents();
			s.reverse();

			long start = System.currentTimeMillis();
//			startMeasuring();
			viewer.refresh();
//			stopMeasuring();
			total += System.currentTimeMillis() - start;
			System.out.println("Viewer refresh ("+ viewer.getTree().getItemCount() + " items) took: " + (System.currentTimeMillis() - start));
		}
		System.out.println("Average: " + total / 10);
//		commitMeasurements();
//		assertPerformance();
	}

	public void testTreeSortUpdate() {
		openBrowser();

		Sorter s = new Sorter();
		viewer.setSorter(s);

		TestTreeElement input = new TestTreeElement(0, null);
		viewer.setInput(input);
		input.createChildren(15000);
		viewer.add(input, input.children);

		long total = 0;
		for (int i = 0; i < 10; i++) {
			processEvents();
			s.reverse();

			long start = System.currentTimeMillis();
//			startMeasuring();
			viewer.update(input, new String[] {sortProp});
//			stopMeasuring();
			total += System.currentTimeMillis() - start;
			System.out.println("Viewer update ("+ viewer.getTree().getItemCount() + " items) took: " + (System.currentTimeMillis() - start));
		}
		System.out.println("Average: " + total / 10);

//		commitMeasurements();
//		assertPerformance();
	}

}

Return to bug 269248

Added Link Here

(-)src/org/eclipse/jface/tests/performance/Bug269248TreeViewerSorterPerformance.java (+117 lines)
1	package org.eclipse.jface.tests.performance;
2
3	import org.eclipse.jface.viewers.Viewer;
4	import org.eclipse.jface.viewers.ViewerSorter;
5
6	/**
7	* @since 3.5
8	*/
9	public class Bug269248TreeViewerSorterPerformance extends TreeTest {
10
11	private final String sortProp = "SORT";
12
13	private class Sorter extends ViewerSorter {
14
15	boolean reverse = false;
16
17	/* (non-Javadoc)
18	* @see org.eclipse.jface.viewers.ViewerComparator#compare(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
19	*/
20	public int compare(Viewer viewer, Object e1, Object e2) {
21	if (reverse)
22	return -super.compare(viewer, e1, e2);
23	return super.compare(viewer, e1, e2);
24	}
25
26	/* (non-Javadoc)
27	* @see org.eclipse.jface.viewers.ViewerComparator#sort(org.eclipse.jface.viewers.Viewer, java.lang.Object[])
28	*/
29	public void sort(Viewer viewer, Object[] elements) {
30	long time = System.currentTimeMillis();
31	super.sort(viewer, elements);
32	System.out.println("#sort (" + elements.length + " element) time taken: " + (System.currentTimeMillis() - time));
33	}
34
35	public boolean isSorterProperty(Object element, String property) {
36	return sortProp.equals(property);
37	};
38
39	public void reverse() {
40	reverse = !reverse;
41	}
42	}
43
44	/**
45	* @param testName
46	* @param tagging
47	*/
48	public Bug269248TreeViewerSorterPerformance(String testName, int tagging) {
49	super(testName, tagging);
50	}
51
52	/**
53	* @param testName
54	*/
55	public Bug269248TreeViewerSorterPerformance(String testName) {
56	super(testName);
57	}
58
59	public void testTreeSortRefresh() {
60	openBrowser();
61
62	Sorter s = new Sorter();
63	viewer.setSorter(s);
64
65	TestTreeElement input = new TestTreeElement(0, null);
66	viewer.setInput(input);
67	input.createChildren(15000);
68	processEvents();
69	viewer.add(input, input.children);
70
71	long total = 0;
72	for (int i = 0; i < 10; i++) {
73	processEvents();
74	s.reverse();
75
76	long start = System.currentTimeMillis();
77	// startMeasuring();
78	viewer.refresh();
79	// stopMeasuring();
80	total += System.currentTimeMillis() - start;
81	System.out.println("Viewer refresh ("+ viewer.getTree().getItemCount() + " items) took: " + (System.currentTimeMillis() - start));
82	}
83	System.out.println("Average: " + total / 10);
84	// commitMeasurements();
85	// assertPerformance();
86	}
87
88	public void testTreeSortUpdate() {
89	openBrowser();
90
91	Sorter s = new Sorter();
92	viewer.setSorter(s);
93
94	TestTreeElement input = new TestTreeElement(0, null);
95	viewer.setInput(input);
96	input.createChildren(15000);
97	viewer.add(input, input.children);
98
99	long total = 0;
100	for (int i = 0; i < 10; i++) {
101	processEvents();
102	s.reverse();
103
104	long start = System.currentTimeMillis();
105	// startMeasuring();
106	viewer.update(input, new String[] {sortProp});
107	// stopMeasuring();
108	total += System.currentTimeMillis() - start;
109	System.out.println("Viewer update ("+ viewer.getTree().getItemCount() + " items) took: " + (System.currentTimeMillis() - start));
110	}
111	System.out.println("Average: " + total / 10);
112
113	// commitMeasurements();
114	// assertPerformance();
115	}
116
117	}