+class U_I18N_API DateFmtBestPattern : public SharedObject {
+public:
+ UnicodeString fPattern;
+
+ DateFmtBestPattern(const UnicodeString &pattern)
+ : fPattern(pattern) { }
+ ~DateFmtBestPattern();
+};
+
+DateFmtBestPattern::~DateFmtBestPattern() {
+}
+
+template<> U_I18N_API
+const DateFmtBestPattern *LocaleCacheKey<DateFmtBestPattern>::createObject(
+ const void * /*creationContext*/, UErrorCode &status) const {
+ status = U_UNSUPPORTED_ERROR;
+ return NULL;
+}
+
+class U_I18N_API DateFmtBestPatternKey : public LocaleCacheKey<DateFmtBestPattern> {
+private:
+ UnicodeString fSkeleton;
+public:
+ DateFmtBestPatternKey(
+ const Locale &loc,
+ const UnicodeString &skeleton,
+ UErrorCode &status)
+ : LocaleCacheKey<DateFmtBestPattern>(loc),
+ fSkeleton(DateTimePatternGenerator::staticGetSkeleton(skeleton, status)) { }
+ DateFmtBestPatternKey(const DateFmtBestPatternKey &other) :
+ LocaleCacheKey<DateFmtBestPattern>(other),
+ fSkeleton(other.fSkeleton) { }
+ virtual ~DateFmtBestPatternKey();
+ virtual int32_t hashCode() const {
+ return 37 * LocaleCacheKey<DateFmtBestPattern>::hashCode() + fSkeleton.hashCode();
+ }
+ virtual UBool operator==(const CacheKeyBase &other) const {
+ // reflexive
+ if (this == &other) {
+ return TRUE;
+ }
+ if (!LocaleCacheKey<DateFmtBestPattern>::operator==(other)) {
+ return FALSE;
+ }
+ // We know that this and other are of same class if we get this far.
+ const DateFmtBestPatternKey &realOther =
+ static_cast<const DateFmtBestPatternKey &>(other);
+ return (realOther.fSkeleton == fSkeleton);
+ }
+ virtual CacheKeyBase *clone() const {
+ return new DateFmtBestPatternKey(*this);
+ }
+ virtual const DateFmtBestPattern *createObject(
+ const void * /*unused*/, UErrorCode &status) const {
+ LocalPointer<DateTimePatternGenerator> dtpg(
+ DateTimePatternGenerator::createInstance(fLoc, status));
+ if (U_FAILURE(status)) {
+ return NULL;
+ }
+
+ LocalPointer<DateFmtBestPattern> pattern(
+ new DateFmtBestPattern(
+ dtpg->getBestPattern(fSkeleton, status)),
+ status);
+ if (U_FAILURE(status)) {
+ return NULL;
+ }
+ DateFmtBestPattern *result = pattern.orphan();
+ result->addRef();
+ return result;
+ }
+};
+
+DateFmtBestPatternKey::~DateFmtBestPatternKey() { }
+
+