obimultiplex saves unassigned sequence

pkg/obiseq/predicate.go

@@ -0,0 +1,77 @@
+package obiseq
+
+type SequencePredicate func(BioSequence) bool
+
+
+func (predicate1 SequencePredicate) And(predicate2 SequencePredicate) SequencePredicate {
+	f := func(sequence BioSequence) bool {
+		return predicate1(sequence) && predicate2(sequence)
+	}
+
+	return f
+}
+
+func (predicate1 SequencePredicate) Or(predicate2 SequencePredicate) SequencePredicate {
+	f := func(sequence BioSequence) bool {
+		return predicate1(sequence) || predicate2(sequence)
+	}
+
+	return f
+}
+
+func (predicate1 SequencePredicate) Xor(predicate2 SequencePredicate) SequencePredicate {
+	f := func(sequence BioSequence) bool {
+		p1 := predicate1(sequence)
+		p2 := predicate2(sequence)
+		return (p1 && !p2) || (p2 && !p1)
+	}
+
+	return f
+}
+
+func (predicate1 SequencePredicate) Not() SequencePredicate {
+	f := func(sequence BioSequence) bool {
+		return !predicate1(sequence)
+	}
+
+	return f
+}
+
+func HasAttribute(name string) SequencePredicate {
+
+	f := func(sequence BioSequence) bool {
+		if sequence.HasAnnotation() {
+			_, ok := (sequence.Annotations())[name]
+			return ok
+		}
+
+		return false
+	}
+
+	return f
+}
+
+func MoreAbundantThan(count int) SequencePredicate {
+	f := func(sequence BioSequence) bool {
+		return sequence.Count() > count
+	}
+
+	return f
+}
+
+func IsLongerOrEqualTo(length int) SequencePredicate {
+	f := func(sequence BioSequence) bool {
+		return sequence.Length() >= length
+	}
+
+	return f
+}
+
+func IsShorterOrEqualTo(length int) SequencePredicate {
+	f := func(sequence BioSequence) bool {
+		return sequence.Length() <= length
+	}
+
+	return f
+}
+