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/*******************************************************************************
* Copyright (c) 2004, 2008 Tasktop Technologies and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Tasktop Technologies - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui.search;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.mylyn.tasks.core.ITask;
/**
* Sorts search results (AbstractQueryHit) by taskId.
*/
public class SearchResultSorterId extends ViewerSorter {
/**
* Returns a negative, zero, or positive number depending on whether the first bug's taskId is less than, equal to,
* or greater than the second bug's taskId.
* <p>
*
* @see org.eclipse.jface.viewers.ViewerSorter#compare(org.eclipse.jface.viewers.Viewer, java.lang.Object,
* java.lang.Object)
*/
@Override
public int compare(Viewer viewer, Object e1, Object e2) {
try {
// cast the object and get its bug taskId
ITask entry1 = (ITask) e1;
Integer id1 = Integer.parseInt(entry1.getTaskId());
// cast the other object and get its bug taskId
ITask entry2 = (ITask) e2;
Integer id2 = Integer.parseInt(entry2.getTaskId());
// if neither is null, compare the bug taskId's
if (id1 != null && id2 != null) {
return id1.compareTo(id2);
}
} catch (Exception ignored) {
// ignore if there is a problem
}
// if that didn't work, use the default compare method
return super.compare(viewer, e1, e2);
}
/**
* Returns the category of the given element. The category is a number used to allocate elements to bins; the bins
* are arranged in ascending numeric order. The elements within a bin are arranged via a second level sort
* criterion.
* <p>
*
* @see org.eclipse.jface.viewers.ViewerSorter#category(Object)
*/
@Override
public int category(Object element) {
try {
ITask hit = (ITask) element;
return Integer.parseInt(hit.getTaskId());
} catch (Exception ignored) {
// ignore
}
// if that didn't work, use the default category method
return super.category(element);
}
}
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