001: /*
002: The contents of this file are subject to the Common Public Attribution License
003: Version 1.0 (the "License"); you may not use this file except in compliance with
004: the License. You may obtain a copy of the License at
005: http://www.projity.com/license . The License is based on the Mozilla Public
006: License Version 1.1 but Sections 14 and 15 have been added to cover use of
007: software over a computer network and provide for limited attribution for the
008: Original Developer. In addition, Exhibit A has been modified to be consistent
009: with Exhibit B.
010:
011: Software distributed under the License is distributed on an "AS IS" basis,
012: WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
013: specific language governing rights and limitations under the License. The
014: Original Code is OpenProj. The Original Developer is the Initial Developer and
015: is Projity, Inc. All portions of the code written by Projity are Copyright (c)
016: 2006, 2007. All Rights Reserved. Contributors Projity, Inc.
017:
018: Alternatively, the contents of this file may be used under the terms of the
019: Projity End-User License Agreeement (the Projity License), in which case the
020: provisions of the Projity License are applicable instead of those above. If you
021: wish to allow use of your version of this file only under the terms of the
022: Projity License and not to allow others to use your version of this file under
023: the CPAL, indicate your decision by deleting the provisions above and replace
024: them with the notice and other provisions required by the Projity License. If
025: you do not delete the provisions above, a recipient may use your version of this
026: file under either the CPAL or the Projity License.
027:
028: [NOTE: The text of this license may differ slightly from the text of the notices
029: in Exhibits A and B of the license at http://www.projity.com/license. You should
030: use the latest text at http://www.projity.com/license for your modifications.
031: You may not remove this license text from the source files.]
032:
033: Attribution Information: Attribution Copyright Notice: Copyright © 2006, 2007
034: Projity, Inc. Attribution Phrase (not exceeding 10 words): Powered by OpenProj,
035: an open source solution from Projity. Attribution URL: http://www.projity.com
036: Graphic Image as provided in the Covered Code as file: openproj_logo.png with
037: alternatives listed on http://www.projity.com/logo
038:
039: Display of Attribution Information is required in Larger Works which are defined
040: in the CPAL as a work which combines Covered Code or portions thereof with code
041: not governed by the terms of the CPAL. However, in addition to the other notice
042: obligations, all copies of the Covered Code in Executable and Source Code form
043: distributed must, as a form of attribution of the original author, include on
044: each user interface screen the "OpenProj" logo visible to all users. The
045: OpenProj logo should be located horizontally aligned with the menu bar and left
046: justified on the top left of the screen adjacent to the File menu. The logo
047: must be at least 100 x 25 pixels. When users click on the "OpenProj" logo it
048: must direct them back to http://www.projity.com.
049: */
050: package com.projity.pm.scheduling;
051:
052: import com.projity.datatype.Duration;
053: import com.projity.pm.assignment.Allocation;
054: import com.projity.strings.Messages;
055: import com.projity.util.Alert;
056:
057: /**
058: * @stereotype strategy
059: * * In a... If you revise units... If you revise duration... If you revise work...
060: * Fixed-duration task Work is recalculated. Work is recalculated. Units are recalculated.
061: */
062: public class FixedDuration implements SchedulingRule {
063: public String toString() {
064: return Messages.getString("FixedDuration.FixedDuration"); //$NON-NLS-1$
065: }
066:
067: /*
068: * If you revise units, Work is recalculated
069: */
070: public void adjustRemainingUnits(Allocation allocation,
071: double newRemainingUnits, double oldRemainingUnits,
072: boolean doChildren, boolean conserveTotalUnits) {
073: allocation.adjustRemainingUnits(newRemainingUnits,
074: oldRemainingUnits, doChildren, conserveTotalUnits);
075:
076: }
077:
078: /*
079: * If you revise duration, Work is recalculated
080: */
081: public void adjustRemainingDuration(Allocation allocation,
082: long newRemainingDuration, boolean doChildren) {
083: allocation.adjustRemainingDuration(Duration
084: .millis(newRemainingDuration), doChildren);
085: }
086:
087: public void adjustRemainingWork(Allocation allocation,
088: long newRemainingWork, boolean doChildren) {
089: long oldRemainingWork = allocation.getRemainingWork();
090: adjustRemainingWork(allocation, newRemainingWork,
091: oldRemainingWork, doChildren);
092: }
093:
094: /*
095: * If you revise work, Units are recalculated
096: */
097: public void adjustRemainingWork(Allocation allocation,
098: long newRemainingWork, long oldRemainingWork,
099: boolean doChildren) {
100: newRemainingWork = Duration.millis(newRemainingWork);
101: double remainingUnits = allocation.getRemainingUnits();
102: if (oldRemainingWork == 0) { // degenerate case
103: allocation.adjustRemainingDuration(
104: (long) (newRemainingWork / remainingUnits),
105: doChildren);
106: Alert.warn(Messages
107: .getString("FixedDuration.TheDurationMessage")); //$NON-NLS-1$
108: } else {
109: allocation.adjustRemainingUnits(remainingUnits
110: * ((double) newRemainingWork) / oldRemainingWork,
111: remainingUnits, doChildren, false);
112: }
113: }
114:
115: private FixedDuration() {
116: }
117:
118: private static FixedDuration instance = null;
119:
120: public static FixedDuration getInstance() {
121: if (instance == null)
122: instance = new FixedDuration();
123: return instance;
124: }
125:
126: }
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