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improve bloom HashCode operation

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This commit is contained in:
tursom 2023-04-25 11:38:44 +08:00
parent df588d7275
commit 6527759d1e
1 changed files with 8 additions and 4 deletions
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6
util/bloom/Bloom.go
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@ -23,6 +23,7 @@ type (
m lang.UInt8Array
k uint
c uint
hashCode int32
}
)
@ -128,7 +129,10 @@ func (b *Bloom) Equals(t lang.Object) bool {
}
func (b *Bloom) HashCode() int32 {
return int32(murmur3.Sum32(b.m.Bytes()))
if b.hashCode == 0 {
b.hashCode = int32(murmur3.Sum32(b.m.Bytes()))
}
return b.hashCode
}
func (b *Bloom) Merge(t *Bloom) bool {