Bug 65711 [Problems] Problems View takes too long to show
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/FieldResource.java
public Image getColumnHeaderImage() {
		return image;
	}
	/**
	 * @see org.eclipse.ui.views.markerview.IField#getValue(java.lang.Object)
	 */
	public String getValue(Object obj) {
		if (obj == null || !(obj instanceof ConcreteMarker)) {
			return ""; 
		}
		ConcreteMarker marker = (ConcreteMarker) obj;
		return marker.getResourceName();
	}
	/**
	 * @see org.eclipse.ui.views.markerview.IField#getImage(java.lang.Object)
	 */
	public Image getImage(Object obj) {
		return null;
	}
	/**
	 * @see org.eclipse.ui.views.markerview.IField#compare(java.lang.Object, java.lang.Object)
	 */
	public int compare(Object obj1, Object obj2) {
		if (obj1 == null || obj2 == null || !(obj1 instanceof ConcreteMarker) || !(obj2 instanceof ConcreteMarker)) {
			return 0;
		}
		return Collator.getInstance().compare(getValue(obj1), getValue(obj2));
	}
}