Merge branch 'features/JAL-2349_matrixvis' into features/JAL-2349_matrixvis_2112

[jalview.git] / src / jalview / datamodel / Alignment.java

diff --git a/src/jalview/datamodel/Alignment.java b/src/jalview/datamodel/Alignment.java
index 1f0e1c2..7f73110 100755 (executable)
--- a/src/jalview/datamodel/Alignment.java
+++ b/src/jalview/datamodel/Alignment.java
@@ -196,6 +196,7 @@ public class Alignment implements AlignmentI, AutoCloseable
   {
     synchronized (sequences)
     {
+    
       if (i > -1 && i < sequences.size())
       {
         return sequences.get(i);
@@ -595,11 +596,12 @@ public class Alignment implements AlignmentI, AutoCloseable
     int i = 0;
     SequenceI sq = null;
     String sqname = null;
+    int nseq = sequences.size();
     if (startAfter != null)
     {
       // try to find the sequence in the alignment
       boolean matched = false;
-      while (i < sequences.size())
+      while (i < nseq)
       {
         if (getSequenceAt(i++) == startAfter)
         {
@@ -612,7 +614,7 @@ public class Alignment implements AlignmentI, AutoCloseable
         i = 0;
       }
     }
-    while (i < sequences.size())
+    while (i < nseq)
     {
       sq = getSequenceAt(i);
       sqname = sq.getName();
@@ -1194,7 +1196,8 @@ public class Alignment implements AlignmentI, AutoCloseable
     int maxLength = -1;
 
     SequenceI current;
-    for (int i = 0; i < sequences.size(); i++)
+    int nseq = sequences.size();
+    for (int i = 0; i < nseq; i++)
     {
       current = getSequenceAt(i);
       for (int j = current.getLength(); j > maxLength; j--)
@@ -1211,7 +1214,7 @@ public class Alignment implements AlignmentI, AutoCloseable
     maxLength++;
 
     int cLength;
-    for (int i = 0; i < sequences.size(); i++)
+    for (int i = 0; i < nseq; i++)
     {
       current = getSequenceAt(i);
       cLength = current.getLength();