+ return result;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean delete(SequenceFeature sf)
+ {
+ for (FeatureStore featureSet : featureStore.values())
+ {
+ if (featureSet.delete(sf))
+ {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean hasFeatures()
+ {
+ for (FeatureStore featureSet : featureStore.values())
+ {
+ if (!featureSet.isEmpty())
+ {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Set<String> getFeatureGroups(boolean positionalFeatures,
+ String... type)
+ {
+ Set<String> groups = new HashSet<>();
+
+ for (FeatureStore featureSet : varargToTypes(type))
+ {
+ groups.addAll(featureSet.getFeatureGroups(positionalFeatures));
+ }
+
+ return groups;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Set<String> getFeatureTypesForGroups(boolean positionalFeatures,
+ String... groups)
+ {
+ Set<String> result = new HashSet<>();
+
+ for (Entry<String, FeatureStore> featureType : featureStore.entrySet())
+ {
+ Set<String> featureGroups = featureType.getValue().getFeatureGroups(
+ positionalFeatures);
+ for (String group : groups)
+ {
+ if (featureGroups.contains(group))
+ {
+ /*
+ * yes this feature type includes one of the query groups
+ */
+ result.add(featureType.getKey());
+ break;
+ }
+ }
+ }
+
+ return result;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Set<String> getFeatureTypes(String... soTerm)
+ {
+ Set<String> types = new HashSet<>();
+ for (Entry<String, FeatureStore> entry : featureStore.entrySet())
+ {
+ String type = entry.getKey();
+ if (!entry.getValue().isEmpty() && isOntologyTerm(type, soTerm))
+ {
+ types.add(type);
+ }
+ }
+ return types;
+ }
+
+ /**
+ * Answers true if the given type matches one of the specified terms (or is a
+ * sub-type of one in the Sequence Ontology), or if no terms are supplied.
+ * Answers false if filter terms are specified and the given term does not
+ * match any of them.
+ *
+ * @param type
+ * @param soTerm
+ * @return
+ */
+ protected boolean isOntologyTerm(String type, String... soTerm)
+ {
+ if (soTerm == null || soTerm.length == 0)
+ {
+ return true;
+ }
+ SequenceOntologyI so = SequenceOntologyFactory.getInstance();
+ for (String term : soTerm)
+ {
+ if (type.equals(term) || so.isA(type, term))
+ {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public float getMinimumScore(String type, boolean positional)
+ {
+ return featureStore.containsKey(type) ? featureStore.get(type)
+ .getMinimumScore(positional) : Float.NaN;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public float getMaximumScore(String type, boolean positional)
+ {
+ return featureStore.containsKey(type) ? featureStore.get(type)
+ .getMaximumScore(positional) : Float.NaN;
+ }
+
+ /**
+ * A convenience method to sort features by start position ascending (if on
+ * forward strand), or end position descending (if on reverse strand)
+ *
+ * @param features
+ * @param forwardStrand
+ */
+ public static void sortFeatures(List<? extends IntervalI> features,
+ final boolean forwardStrand)
+ {
+ Collections.sort(features,
+ forwardStrand
+ ? IntervalI.COMPARE_BEGIN_ASC_END_DESC
+ : IntervalI.COMPARE_END_DESC);
+ }
+
+ /**
+ * {@inheritDoc} This method is 'semi-optimised': it only inspects features
+ * for types that include the specified group, but has to inspect every
+ * feature of those types for matching feature group. This is efficient unless
+ * a sequence has features that share the same type but are in different
+ * groups - an unlikely case.
+ * <p>
+ * For example, if RESNUM feature is created with group = PDBID, then features
+ * would only be retrieved for those sequences associated with the target
+ * PDBID (group).
+ */
+ @Override
+ public List<SequenceFeature> getFeaturesForGroup(boolean positional,
+ String group, String... type)
+ {
+ List<SequenceFeature> result = new ArrayList<>();
+ for (FeatureStore featureSet : varargToTypes(type))
+ {
+ if (featureSet.getFeatureGroups(positional).contains(group))
+ {
+ result.addAll(featureSet.getFeaturesForGroup(positional, group));
+ }
+ }
+ return result;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean shiftFeatures(int fromPosition, int shiftBy)
+ {
+ boolean modified = false;
+ for (FeatureStore fs : featureStore.values())
+ {
+ modified |= fs.shiftFeatures(fromPosition, shiftBy);
+ }
+ return modified;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void deleteAll()
+ {
+ featureStore.clear();