*/
public MapList()
{
- fromShifts = new ArrayList<int[]>();
- toShifts = new ArrayList<int[]>();
+ fromShifts = new ArrayList<>();
+ toShifts = new ArrayList<>();
}
/**
{
return false;
}
- return Arrays
- .deepEquals(fromShifts.toArray(), obj.fromShifts.toArray())
- && Arrays
- .deepEquals(toShifts.toArray(), obj.toShifts.toArray());
+ return Arrays.deepEquals(fromShifts.toArray(), obj.fromShifts.toArray())
+ && Arrays.deepEquals(toShifts.toArray(),
+ obj.toShifts.toArray());
}
/**
{
int hashCode = 31 * fromRatio;
hashCode = 31 * hashCode + toRatio;
- hashCode = 31 * hashCode + fromShifts.toArray().hashCode();
- hashCode = 31 * hashCode + toShifts.toArray().hashCode();
+ for (int[] shift : fromShifts)
+ {
+ hashCode = 31 * hashCode + shift[0];
+ hashCode = 31 * hashCode + shift[1];
+ }
+ for (int[] shift : toShifts)
+ {
+ hashCode = 31 * hashCode + shift[0];
+ hashCode = 31 * hashCode + shift[1];
+ }
+
return hashCode;
}
fromHighest = Integer.MIN_VALUE;
for (int[] range : fromRange)
{
+ if (range.length != 2)
+ {
+ // throw new IllegalArgumentException(range);
+ System.err.println(
+ "Invalid format for fromRange " + Arrays.toString(range)
+ + " may cause errors");
+ }
fromLowest = Math.min(fromLowest, Math.min(range[0], range[1]));
fromHighest = Math.max(fromHighest, Math.max(range[0], range[1]));
}
toHighest = Integer.MIN_VALUE;
for (int[] range : toRange)
{
+ if (range.length != 2)
+ {
+ // throw new IllegalArgumentException(range);
+ System.err.println("Invalid format for toRange "
+ + Arrays.toString(range)
+ + " may cause errors");
+ }
toLowest = Math.min(toLowest, Math.min(range[0], range[1]));
toHighest = Math.max(toHighest, Math.max(range[0], range[1]));
}
}
boolean changed = false;
- List<int[]> merged = new ArrayList<int[]>();
+ List<int[]> merged = new ArrayList<>();
int[] lastRange = ranges.get(0);
int lastDirection = lastRange[1] >= lastRange[0] ? 1 : -1;
lastRange = new int[] { lastRange[0], lastRange[1] };
* drop this range if it lies within the last range
*/
if ((lastDirection == 1 && range[0] >= lastRange[0]
- && range[0] <= lastRange[1] && range[1] >= lastRange[0] && range[1] <= lastRange[1])
+ && range[0] <= lastRange[1] && range[1] >= lastRange[0]
+ && range[1] <= lastRange[1])
|| (lastDirection == -1 && range[0] <= lastRange[0]
&& range[0] >= lastRange[1]
- && range[1] <= lastRange[0] && range[1] >= lastRange[1]))
+ && range[1] <= lastRange[0]
+ && range[1] >= lastRange[1]))
{
changed = true;
continue;
boolean sameDirection = range[1] == range[0]
|| direction == lastDirection;
boolean extending = range[0] == lastRange[1] + lastDirection;
- boolean overlapping = (lastDirection == 1 && range[0] >= lastRange[0] && range[0] <= lastRange[1])
- || (lastDirection == -1 && range[0] <= lastRange[0] && range[0] >= lastRange[1]);
+ boolean overlapping = (lastDirection == 1 && range[0] >= lastRange[0]
+ && range[0] <= lastRange[1])
+ || (lastDirection == -1 && range[0] <= lastRange[0]
+ && range[0] >= lastRange[1]);
if (sameDirection && (overlapping || extending))
{
lastRange[1] = range[1];
{
return null;
}
- List<int[]> ranges = new ArrayList<int[]>();
+ List<int[]> ranges = new ArrayList<>();
if (fs <= fe)
{
intv = fs;
// TODO not used - remove?
if (local)
{
- return ((getFromLowest() >= map.getFromLowest() && getFromHighest() <= map
- .getFromHighest()) || (getFromLowest() <= map.getFromLowest() && getFromHighest() >= map
- .getFromHighest()));
+ return ((getFromLowest() >= map.getFromLowest()
+ && getFromHighest() <= map.getFromHighest())
+ || (getFromLowest() <= map.getFromLowest()
+ && getFromHighest() >= map.getFromHighest()));
}
else
{
- return ((getToLowest() >= map.getToLowest() && getToHighest() <= map
- .getToHighest()) || (getToLowest() <= map.getToLowest() && getToHighest() >= map
- .getToHighest()));
+ return ((getToLowest() >= map.getToLowest()
+ && getToHighest() <= map.getToHighest())
+ || (getToLowest() <= map.getToLowest()
+ && getToHighest() >= map.getToHighest()));
}
}
for (int[] range : map.getFromRanges())
{
- addRange(range, fromShifts);
+ MappingUtils.addRange(range, fromShifts);
}
for (int[] range : map.getToRanges())
{
- addRange(range, toShifts);
+ MappingUtils.addRange(range, toShifts);
}
}
/**
- * Adds the given range to a list of ranges. If the new range just extends
- * existing ranges, the current endpoint is updated instead.
+ * Returns true if mapping is from forward strand, false if from reverse
+ * strand. Result is just based on the first 'from' range that is not a single
+ * position. Default is true unless proven to be false. Behaviour is not well
+ * defined if the mapping has a mixture of forward and reverse ranges.
*
- * @param range
- * @param addTo
+ * @return
*/
- static void addRange(int[] range, List<int[]> addTo)
+ public boolean isFromForwardStrand()
{
- /*
- * list is empty - add to it!
- */
- if (addTo.size() == 0)
- {
- addTo.add(range);
- return;
- }
-
- int[] last = addTo.get(addTo.size() - 1);
- boolean lastForward = last[1] >= last[0];
- boolean newForward = range[1] >= range[0];
-
- /*
- * contiguous range in the same direction - just update endpoint
- */
- if (lastForward == newForward && last[1] == range[0])
- {
- last[1] = range[1];
- return;
- }
-
- /*
- * next range starts at +1 in forward sense - update endpoint
- */
- if (lastForward && newForward && range[0] == last[1] + 1)
- {
- last[1] = range[1];
- return;
- }
-
- /*
- * next range starts at -1 in reverse sense - update endpoint
- */
- if (!lastForward && !newForward && range[0] == last[1] - 1)
- {
- last[1] = range[1];
- return;
- }
+ return isForwardStrand(getFromRanges());
+ }
- /*
- * just add the new range
- */
- addTo.add(range);
+ /**
+ * Returns true if mapping is to forward strand, false if to reverse strand.
+ * Result is just based on the first 'to' range that is not a single position.
+ * Default is true unless proven to be false. Behaviour is not well defined if
+ * the mapping has a mixture of forward and reverse ranges.
+ *
+ * @return
+ */
+ public boolean isToForwardStrand()
+ {
+ return isForwardStrand(getToRanges());
}
/**
- * Returns true if mapping is from forward strand, false if from reverse
- * strand. Result is just based on the first 'from' range that is not a single
- * position. Default is true unless proven to be false. Behaviour is not well
- * defined if the mapping has a mixture of forward and reverse ranges.
+ * A helper method that returns true unless at least one range has start > end.
+ * Behaviour is undefined for a mixture of forward and reverse ranges.
*
+ * @param ranges
* @return
*/
- public boolean isFromForwardStrand()
+ private boolean isForwardStrand(List<int[]> ranges)
{
boolean forwardStrand = true;
- for (int[] range : getFromRanges())
+ for (int[] range : ranges)
{
if (range[1] > range[0])
{
|| (fromRatio == 3 && toRatio == 1);
}
+ /**
+ * Returns a map which is the composite of this one and the input map. That
+ * is, the output map has the fromRanges of this map, and its toRanges are the
+ * toRanges of this map as transformed by the input map.
+ * <p>
+ * Returns null if the mappings cannot be traversed (not all toRanges of this
+ * map correspond to fromRanges of the input), or if this.toRatio does not
+ * match map.fromRatio.
+ *
+ * <pre>
+ * Example 1:
+ * this: from [1-100] to [501-600]
+ * input: from [10-40] to [60-90]
+ * output: from [10-40] to [560-590]
+ * Example 2 ('reverse strand exons'):
+ * this: from [1-100] to [2000-1951], [1000-951] // transcript to loci
+ * input: from [1-50] to [41-90] // CDS to transcript
+ * output: from [10-40] to [1960-1951], [1000-971] // CDS to gene loci
+ * </pre>
+ *
+ * @param map
+ * @return
+ */
+ public MapList traverse(MapList map)
+ {
+ if (map == null)
+ {
+ return null;
+ }
+
+ /*
+ * compound the ratios by this rule:
+ * A:B with M:N gives A*M:B*N
+ * reduced by greatest common divisor
+ * so 1:3 with 3:3 is 3:9 or 1:3
+ * 1:3 with 3:1 is 3:3 or 1:1
+ * 1:3 with 1:3 is 1:9
+ * 2:5 with 3:7 is 6:35
+ */
+ int outFromRatio = getFromRatio() * map.getFromRatio();
+ int outToRatio = getToRatio() * map.getToRatio();
+ int gcd = MathUtils.gcd(outFromRatio, outToRatio);
+ outFromRatio /= gcd;
+ outToRatio /= gcd;
+
+ List<int[]> toRanges = new ArrayList<>();
+ for (int[] range : getToRanges())
+ {
+ int[] transferred = map.locateInTo(range[0], range[1]);
+ if (transferred == null || transferred.length % 2 != 0)
+ {
+ return null;
+ }
+
+ /*
+ * convert [start1, end1, start2, end2, ...]
+ * to [[start1, end1], [start2, end2], ...]
+ */
+ for (int i = 0; i < transferred.length;)
+ {
+ toRanges.add(new int[] { transferred[i], transferred[i + 1] });
+ i += 2;
+ }
+ }
+
+ return new MapList(getFromRanges(), toRanges, outFromRatio, outToRatio);
+ }
+
+ /**
+ * Answers true if the mapping is from one contiguous range to another, else
+ * false
+ *
+ * @return
+ */
+ public boolean isContiguous()
+ {
+ return fromShifts.size() == 1 && toShifts.size() == 1;
+ }
}
git://source.jalview.org / jalview.git / blobdiff