Implement hashCode and equals methods on Member #38
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ramidzkh
approved these changes
May 26, 2020
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Shall they be used in hash maps, their fields should be final. Implementing these two is incomplete for hashmap usage without making the fields final. |
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Ah, hmm, I completely missed that the fields were mutable. Guess I'm just used to most data storage objects like these being immutable. |
Marcono1234
reviewed
May 27, 2020
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| @Override | ||
| public int hashCode() { | ||
| return (31 * (31 * owner.hashCode()) + name.hashCode()) + desc.hashCode(); |
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You could use java.util.Objects.hash for that
| } | ||
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| @Override | ||
| public boolean equals(Object other) { |
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Maybe it should start with if (other == this) { return true; } for better performance for that case, though I don't know if that is needed
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Implement the
hashCodeandequalsmethods onMember. This makes usingMemberas a key in a HashMap possible.