pdxcodemonkey commented on a change in pull request #619:
URL: https://github.com/apache/geode-native/pull/619#discussion_r441749254
##########
File path: cppcache/src/PdxType.cpp
##########
@@ -557,11 +557,30 @@ bool PdxType::Equals(std::shared_ptr<PdxType> otherObj) {
}
bool PdxType::operator<(const PdxType& other) const {
- auto typeIdLessThan = this->m_geodeTypeId < other.m_geodeTypeId;
- auto typeIdsBothZero =
- (this->m_geodeTypeId == 0) && (other.m_geodeTypeId == 0);
- auto classnameLessThan = this->m_className < other.m_className;
- return (typeIdLessThan || (typeIdsBothZero && classnameLessThan));
+ if (m_geodeTypeId < other.m_geodeTypeId) {
+ return true;
+ }
+
+ if ((m_geodeTypeId == 0) && (other.m_geodeTypeId == 0)) {
+ return this->m_className < other.m_className;
+ }
+
+ return false;
+}
+
+int32_t PdxType::hashcode() const {
+ std::hash<std::string> strHash;
+ auto result=strHash(this->m_className);
+
+ for (std::vector<std::shared_ptr<PdxFieldType>>::iterator it =
+ m_pdxFieldTypes->begin();
+ it != m_pdxFieldTypes->end(); ++it) {
+ auto pdxPtr = *it;
+ result = result ^ (strHash(pdxPtr->getClassName()) << 1 );
Review comment:
Just to be clear, I didn't mean to suggest we not hash in the classname
at all, just outside the for loop. Also for what it's worth, even though using
classname is still correct, the only instance of PDX we're aware of that has
this problem, i.e. the classname isn't unique, is for JSON instances, where
classname is always "__GEMFIRE_JSON".
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