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85 lines
2.6 KiB
Java
85 lines
2.6 KiB
Java
/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is the Grendel mail/news client.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1997
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* Netscape Communications Corporation. All Rights Reserved.
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*
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* Created: Lester Schueler <lesters@netscape.com>, 14 Nov 1997.
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*
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* Contributors: Jeff Galyan <talisman@anamorphic.com>
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* Christoph Toshok <toshok@netscape.com>
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*/
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package grendel.addressbook.addresscard;
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//************************
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//************************
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public class TermOr implements ITerm {
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ITerm fLeftTerm;
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ITerm fRightTerm;
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public TermOr (ITerm aLeftTerm, ITerm aRightTerm) {
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fLeftTerm = aLeftTerm;
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fRightTerm = aRightTerm;
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}
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public String getExpression(IQueryString iqs) {
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return iqs.opOr (fLeftTerm, fRightTerm);
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}
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/** Logically or the left and right sets.
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*/
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public AC_IDSet getSet (IQuerySet iqs) {
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AC_IDSet leftCardIDs = fLeftTerm.getSet (iqs);
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AC_IDSet rightCardIDs = fRightTerm.getSet (iqs);
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//merge and sort the left and right lists.
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AC_IDSet mergedIDs = new AC_IDSet (leftCardIDs);
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mergedIDs.addSet (rightCardIDs);
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mergedIDs.sort(AC_IDSet.ASCENDING);
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//Don't process any more if the merged set is emtpy.
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if (0 == mergedIDs.size())
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return mergedIDs; //return an empty merged set.
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//prime the pump.
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String lastID = (String) mergedIDs.elementAt(0);
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//remove any duplicates from the SORTED list.
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for (int i = 0; i < mergedIDs.size(); ) {
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String currentID = (String) mergedIDs.elementAt(i);
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//if the last equals this (this list is sorted) then remove this duplicate.
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if (lastID.equals (currentID)) {
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mergedIDs.removeElementAt (i);
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}
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else {
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lastID = currentID;
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i++; //advance to the next cardID
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}
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}
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return mergedIDs;
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}
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/** No-op for now
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* (Jeff)
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*/
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public AC_IDSet evaluate_ACSP (IQuerySet iqs) { return null; }
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}
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