Bug 203838 [Markers] [Markers] clicking on column headers does not sort table
I20070918 Clicking on any of the column headers does not sort based on the relevant column.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/MarkerState.java
*/
	public boolean useDefaults() {
		return memento == null;
	}
	/**
	 * Return the integer value for the tag.
	 * @param tag
	 * @return
	 */
	public Integer getInteger(String tag) {
		return memento.getInteger(tag);
	}
	/**
	 * Return the String associated with tag.
	 * @param tag
	 * @return String
	 */
	public String getString(String tag) {
		return memento.getString(tag);
	}
	/**
	 * Return the sort direction stored for the field.
	 * @param field
	 * @return
	 */
	public int getSortDirection(MarkerField field) {
		return field.getDefaultDirection();
	}
}