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Last change
on this file since eb94c1 was eb94c1, checked in by Saskia Metzler <metzler@…>, 16 years ago |
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Work-in-progress commit of change tracker and parser
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Property mode
set to
100644
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File size:
740 bytes
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| [eb94c1] | 1 | /*
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| 2 | * ChangeTracker.cpp
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| 3 | *
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| 4 | * Created on: Mar 1, 2010
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| 5 | * Author: metzler
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| 6 | */
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| 7 |
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| 8 | #include "ChangeTracker.hpp"
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| 9 |
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| 10 | ChangeTracker* ChangeTracker::instance = NULL;
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| 11 |
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| 12 | ChangeTracker::ChangeTracker() {
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| 13 | isConsistent = true;
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| 14 | World::get()->signOn(this);
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| 15 | }
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| 16 |
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| 17 | ChangeTracker::~ChangeTracker() {
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| 18 | World::get()->signOff(this);
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| 19 | }
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| 20 |
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| 21 | ChangeTracker* ChangeTracker::get() {
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| 22 | if (instance == NULL) {
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| 23 | instance = new ChangeTracker();
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| 24 | }
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| 25 |
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| 26 | return instance;
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| 27 | }
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| 28 |
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| 29 | void ChangeTracker::destroy() {
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| 30 | delete instance;
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| 31 | instance = NULL;
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| 32 | }
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| 33 |
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| 34 | void ChangeTracker::update(Observable *publisher) {
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| 35 | isConsistent = false;
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| 36 | }
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| 37 |
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| 38 | bool ChangeTracker::hasChanged() {
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| 39 | return !isConsistent;
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| 40 | }
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| 41 |
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| 42 | void ChangeTracker::saveStatus() {
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| 43 | if (hasChanged()) {
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| 44 | notifyAll();
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| 45 | }
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| 46 | }
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