35 lines
657 B
Dart
35 lines
657 B
Dart
class CacheUtil {
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static final CacheUtil _instance = CacheUtil._internal();
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static final Map<String, dynamic> _cache = {};
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CacheUtil._internal();
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factory CacheUtil() => _instance;
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static CacheUtil get instance => _instance;
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void set(String key, dynamic value) {
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_cache[key] = value;
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}
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dynamic get(String key) {
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return _cache[key];
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}
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bool containsKey(String key) {
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return _cache.containsKey(key);
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}
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dynamic getOrElse(String key, dynamic fallback) {
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return _cache.containsKey(key) ? _cache[key] : fallback;
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}
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void delete(String key) {
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_cache.remove(key);
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}
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void clear() {
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_cache.clear();
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}
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}
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