+ return featureStore.get(type).addFeature(sf);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public List<SequenceFeature> findFeatures(int from, int to,
+ String... type)
+ {
+ List<SequenceFeature> result = new ArrayList<SequenceFeature>();
+
+ for (String featureType : varargToTypes(type))
+ {
+ FeatureStore features = featureStore.get(featureType);
+ if (features != null)
+ {
+ result.addAll(features.findOverlappingFeatures(from, to));
+ }
+ }
+
+ return result;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public List<SequenceFeature> getAllFeatures(String... type)
+ {
+ List<SequenceFeature> result = new ArrayList<SequenceFeature>();
+
+ result.addAll(getPositionalFeatures(type));
+
+ result.addAll(getNonPositionalFeatures());
+
+ return result;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public List<SequenceFeature> getFeaturesByOntology(String... ontologyTerm)
+ {
+ if (ontologyTerm == null || ontologyTerm.length == 0)
+ {
+ return new ArrayList<SequenceFeature>();
+ }
+
+ Set<String> featureTypes = getFeatureTypes(ontologyTerm);
+ return getAllFeatures(featureTypes.toArray(new String[featureTypes
+ .size()]));
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public int getFeatureCount(boolean positional, String... type)
+ {
+ int result = 0;
+
+ for (String featureType : varargToTypes(type))
+ {
+ FeatureStore featureSet = featureStore.get(featureType);
+ if (featureSet != null)
+ {
+ result += featureSet.getFeatureCount(positional);
+ }
+ }
+ return result;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public int getTotalFeatureLength(String... type)
+ {
+ int result = 0;
+
+ for (String featureType : varargToTypes(type))
+ {
+ FeatureStore featureSet = featureStore.get(featureType);
+ if (featureSet != null)
+ {
+ result += featureSet.getTotalFeatureLength();
+ }
+ }
+ return result;
+
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public List<SequenceFeature> getPositionalFeatures(String... type)
+ {
+ List<SequenceFeature> result = new ArrayList<SequenceFeature>();
+
+ for (String featureType : varargToTypes(type))
+ {
+ FeatureStore featureSet = featureStore.get(featureType);
+ if (featureSet != null)
+ {
+ result.addAll(featureSet.getPositionalFeatures());
+ }
+ }
+ return result;
+ }
+
+ /**
+ * A convenience method that converts a vararg for feature types to an
+ * Iterable, replacing the value with the stored feature types if it is null
+ * or empty
+ *
+ * @param type
+ * @return
+ */
+ protected Iterable<String> varargToTypes(String... type)
+ {
+ if (type == null || type.length == 0)
+ {
+ /*
+ * no vararg parameter supplied
+ */
+ return featureStore.keySet();
+ }
+
+ /*
+ * else make a copy of the list, and remove any null value just in case,
+ * as it would cause errors looking up the features Map
+ * sort in alphabetical order for consistent output behaviour
+ */
+ List<String> types = new ArrayList<String>(Arrays.asList(type));
+ types.remove(null);
+ Collections.sort(types);
+ return types;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public List<SequenceFeature> getContactFeatures(String... type)
+ {
+ List<SequenceFeature> result = new ArrayList<SequenceFeature>();
+
+ for (String featureType : varargToTypes(type))
+ {
+ FeatureStore featureSet = featureStore.get(featureType);
+ if (featureSet != null)
+ {
+ result.addAll(featureSet.getContactFeatures());
+ }
+ }
+ return result;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public List<SequenceFeature> getNonPositionalFeatures(String... type)
+ {
+ List<SequenceFeature> result = new ArrayList<SequenceFeature>();
+
+ for (String featureType : varargToTypes(type))
+ {
+ FeatureStore featureSet = featureStore.get(featureType);
+ if (featureSet != null)
+ {
+ result.addAll(featureSet.getNonPositionalFeatures());
+ }
+ }
+ 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<String>();
+
+ Iterable<String> types = varargToTypes(type);
+
+ for (String featureType : types)
+ {
+ FeatureStore featureSet = featureStore.get(featureType);
+ if (featureSet != null)
+ {
+ groups.addAll(featureSet.getFeatureGroups(positionalFeatures));
+ }
+ }
+
+ return groups;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Set<String> getFeatureTypesForGroups(boolean positionalFeatures,
+ String... groups)
+ {
+ Set<String> result = new HashSet<String>();
+
+ 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;