lowestConceptByField [1029654]

< > BotCompany Repo | #1029654 // lowestConceptByField

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

static <A extends Concept> A nuLike lowestConceptByField(Class<A> c, S field) {
  ret lowestConceptByField(db_mainConcepts(), c, field);
}

static <A extends Concept> A lowestConceptByField(Concepts concepts, Class<A> c, S field) {
  // indexed
  IFieldIndex<A, O> index = concepts.getFieldIndex(c, field);
  if (index cast ConceptFieldIndexDesc) {
    Map.Entry e = ((NavigableMap) index.valueToObject.data).lastEntry();
    ret e == null ? null : (A) first((Cl) e.getValue());
  }
  ret lowestByField(field, concepts.list(c));
}

Author comment

Began life as a copy of #1029652

Travelled to 6 computer(s): bhatertpkbcr, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tvejysmllsmz, vouqrxazstgt

Snippet ID:

#1029654

Snippet name:

lowestConceptByField

Eternal ID of this version:

#1029654/5

Text MD5:

f02a0e13a2329d6b6a81d63f8cdcd3c3

Transpilation MD5:

d82abe66c700a5a905b6f9c7fa0166a9

Author:

stefan

Category:

javax / concepts

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2020-09-04 22:05:46

Source code size:

542 bytes / 13 lines

Pitched / IR pitched:

No / No

Views / Downloads:

390 / 523

Version history:

4 change(s)

Referenced in:

[show references]

1	static <A extends Concept> A nuLike lowestConceptByField(Class<A> c, S field) {
2	ret lowestConceptByField(db_mainConcepts(), c, field);
3	}
4
5	static <A extends Concept> A lowestConceptByField(Concepts concepts, Class<A> c, S field) {
6	// indexed
7	IFieldIndex<A, O> index = concepts.getFieldIndex(c, field);
8	if (index cast ConceptFieldIndexDesc) {
9	Map.Entry e = ((NavigableMap) index.valueToObject.data).lastEntry();
10	ret e == null ? null : (A) first((Cl) e.getValue());
11	}
12	ret lowestByField(field, concepts.list(c));
13	}