+ }
+
+ /**
+ * like liftOver but more general.
+ *
+ * Takes an array of int pairs that will be used to update the internal
+ * sequenceMapping and so shuffle the annotated positions
+ *
+ * @param newref
+ * - new sequence reference for the annotation row - if null,
+ * sequenceRef is left unchanged
+ * @param mapping
+ * array of ints containing corresponding positions
+ * @param from
+ * - column for current coordinate system (-1 for index+1)
+ * @param to
+ * - column for destination coordinate system (-1 for index+1)
+ * @param idxoffset
+ * - offset added to index when referencing either coordinate system
+ * @note no checks are made as to whether from and/or to are sensible
+ * @note caller should add the remapped annotation to newref if they have not
+ * already
+ */
+ public void remap(SequenceI newref, HashMap<Integer, int[]> mapping,
+ int from, int to, int idxoffset)
+ {
+ if (mapping != null)
+ {
+ Map<Integer, Annotation> old = sequenceMapping;
+ Map<Integer, Annotation> remap = new HashMap<>();
+ int index = -1;
+ for (int mp[] : mapping.values())
+ {
+ if (index++ < 0)
+ {
+ continue;
+ }
+ Annotation ann = null;
+ if (from == -1)
+ {
+ ann = sequenceMapping.get(Integer.valueOf(idxoffset + index));
+ }
+ else
+ {
+ if (mp != null && mp.length > from)
+ {
+ ann = sequenceMapping.get(Integer.valueOf(mp[from]));
+ }
+ }
+ if (ann != null)
+ {
+ if (to == -1)
+ {
+ remap.put(Integer.valueOf(idxoffset + index), ann);
+ }
+ else
+ {
+ if (to > -1 && to < mp.length)
+ {
+ remap.put(Integer.valueOf(mp[to]), ann);
+ }
+ }
+ }
+ }
+ sequenceMapping = remap;
+ old.clear();
+ if (newref != null)
+ {
+ sequenceRef = newref;
+ }
+ adjustForAlignment();
+ }
+ }
+
+ public String getProperty(String property)
+ {
+ if (properties == null)
+ {
+ return null;
+ }
+ return properties.get(property);
+ }
+
+ public void setProperty(String property, String value)
+ {
+ if (properties == null)
+ {
+ properties = new HashMap<>();
+ }
+ properties.put(property, value);
+ }
+
+ public boolean hasProperties()
+ {
+ return properties != null && properties.size() > 0;
+ }
+
+ public Collection<String> getProperties()
+ {
+ if (properties == null)
+ {
+ return Collections.emptyList();
+ }
+ return properties.keySet();
+ }
+
+ /**
+ * Returns the Annotation for the given sequence position (base 1) if any,
+ * else null
+ *
+ * @param position
+ * @return
+ */
+ public Annotation getAnnotationForPosition(int position)
+ {
+ return sequenceMapping == null ? null : sequenceMapping.get(position);