HashedByteArray - byte array with content-based hash code/equals [1024840]

< > BotCompany Repo | #1024840 // HashedByteArray - byte array with content-based hash code/equals

JavaX fragment (include) [tags: use-pretranspiled]

sclass HashedByteArray is Comparable<HashedByteArray> {
  byte[] data;
  int hashCode;
  
  *() {}
  *(byte[] *data) {}
  
  public int hashCode() {
    if (hashCode == 0)
      hashCode = oneIfZero(arrayHashCode(data));
    ret hashCode;
  }
  
  public bool equals(O o) {
    if (o cast HashedByteArray)
      ret this == o || hashCode() == o.hashCode() && byteArraysEqual(data, o.data);
    false;
  }
  
  // we interpret the bytes as ubytes
  public int compareTo(HashedByteArray a) {
    ret Arrays.compareUnsigned(data, a.data);
  }
  
  toString {
    ret bytesToHex(data);
  }
}

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Snippet ID:

#1024840

Snippet name:

HashedByteArray - byte array with content-based hash code/equals

Eternal ID of this version:

#1024840/8

Text MD5:

c9feec59bf04fc03d7a69d4839184afd

Transpilation MD5:

61d03b0d29fd4bcc9349478d920f17d6

Author:

stefan

Category:

javax

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2022-08-05 18:22:58

Source code size:

614 bytes / 28 lines

Pitched / IR pitched:

No / No

Views / Downloads:

550 / 1028

Version history:

7 change(s)

Referenced in:

[show references]

1	sclass HashedByteArray is Comparable<HashedByteArray> {
2	byte[] data;
3	int hashCode;
4
5	*() {}
6	(byte[] data) {}
7
8	public int hashCode() {
9	if (hashCode == 0)
10	hashCode = oneIfZero(arrayHashCode(data));
11	ret hashCode;
12	}
13
14	public bool equals(O o) {
15	if (o cast HashedByteArray)
16	ret this == o \|\| hashCode() == o.hashCode() && byteArraysEqual(data, o.data);
17	false;
18	}
19
20	// we interpret the bytes as ubytes
21	public int compareTo(HashedByteArray a) {
22	ret Arrays.compareUnsigned(data, a.data);
23	}
24
25	toString {
26	ret bytesToHex(data);
27	}
28	}