X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fanalysis%2Fscoremodels%2FScoreModels.java;h=39aa24223c13c3a2bfc8913e60dd2cd7996d689a;hb=6c03a34084889aebdb94a8653a9955f8efd0da88;hp=07840fcff6f5038499ba5734cd0f724d60697f25;hpb=a45b4529c64901e9e4b53b6c74ee804370c91002;p=jalview.git

diff --git a/src/jalview/analysis/scoremodels/ScoreModels.java b/src/jalview/analysis/scoremodels/ScoreModels.java
index 07840fc..39aa242 100644
--- a/src/jalview/analysis/scoremodels/ScoreModels.java
+++ b/src/jalview/analysis/scoremodels/ScoreModels.java
@@ -1,6 +1,29 @@
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ * 
+ * This file is part of Jalview.
+ * 
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License 
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *  
+ * Jalview is distributed in the hope that it will be useful, but 
+ * WITHOUT ANY WARRANTY; without even the implied warranty 
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
+ * PURPOSE.  See the GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
 package jalview.analysis.scoremodels;
 
+import jalview.api.AlignmentViewPanel;
 import jalview.api.analysis.ScoreModelI;
+import jalview.bin.ApplicationSingletonProvider;
+import jalview.bin.ApplicationSingletonProvider.ApplicationSingletonI;
 import jalview.io.DataSourceType;
 import jalview.io.FileParse;
 import jalview.io.ScoreMatrixFile;
@@ -12,24 +35,17 @@ import java.util.Map;
 /**
  * A class that can register and serve instances of ScoreModelI
  */
-public class ScoreModels
+public class ScoreModels implements ApplicationSingletonI
 {
-  /*
-   * constants for built-in score model names
-   * NB! these have to match names in loaded score matrix files
+  /**
+   * Answers the singleton instance of this class, with lazy initialisation
+   * (built-in score models are loaded on the first call to this method)
+   * 
+   * @return
    */
-  public static final String BLOSUM62 = "BLOSUM62";
-
-  public static final String PAM250 = "PAM250";
-
-  public static final String DNA = "DNA";
-
-  private static ScoreModels instance = new ScoreModels();
-  private Map<String, ScoreModelI> models;
-
   public static ScoreModels getInstance()
   {
-    return instance;
+    return ApplicationSingletonProvider.getInstance(ScoreModels.class);
   }
 
   /**
@@ -38,10 +54,9 @@ public class ScoreModels
    * <ul>
    * <li>BLOSUM62</li>
    * <li>PAM250</li>
-   * <li>SeqSpace (identity matrix)</li>
+   * <li>PID</li>
    * <li>DNA</li>
    * <li>Sequence Feature Similarity</li>
-   * <li>Percentage Identity</li>
    * </ul>
    */
   private ScoreModels()
@@ -49,38 +64,47 @@ public class ScoreModels
     /*
      * using LinkedHashMap keeps models ordered as added
      */
-    models = new LinkedHashMap<String, ScoreModelI>();
-    loadScoreMatrix("scoreModel/blosum62.scm");
-    loadScoreMatrix("scoreModel/pam250.scm");
-    loadScoreMatrix("scoreModel/seqspace.scm");
-    loadScoreMatrix("scoreModel/dna.scm");
-    registerScoreModel(new FeatureScoreModel());
-    registerScoreModel(new PIDScoreModel());
+    models = new LinkedHashMap<>();
+    BLOSUM62 = loadScoreMatrix("scoreModel/blosum62.scm");
+    PAM250 = loadScoreMatrix("scoreModel/pam250.scm");
+    DNA = loadScoreMatrix("scoreModel/dna.scm");
+    registerScoreModel(new PIDModel());
+    registerScoreModel(new FeatureDistanceModel());
   }
 
+  private final ScoreMatrix BLOSUM62;
+
+  private final ScoreMatrix PAM250;
+
+  private final ScoreMatrix DNA;
+
+  private Map<String, ScoreModelI> models;
+
   /**
-   * Try to load a score matrix from the given resource file, and if successful,
-   * register it. Answers true if successful, else false.
+   * Tries to load a score matrix from the given resource file, and if
+   * successful, registers it.
    * 
    * @param string
+   * @return
    */
-  boolean loadScoreMatrix(String resourcePath)
+  ScoreMatrix loadScoreMatrix(String resourcePath)
   {
     try
     {
       /*
        * delegate parsing to ScoreMatrixFile
        */
-      FileParse fp = new FileParse(resourcePath, DataSourceType.CLASSLOADER);
+      FileParse fp = new FileParse(resourcePath,
+              DataSourceType.CLASSLOADER);
       ScoreMatrix sm = new ScoreMatrixFile(fp).parseMatrix();
       registerScoreModel(sm);
-      return true;
+      return sm;
     } catch (IOException e)
     {
-      System.err.println("Error reading " + resourcePath + ": "
-              + e.getMessage());
+      System.err.println(
+              "Error reading " + resourcePath + ": " + e.getMessage());
     }
-    return false;
+    return null;
   }
 
   /**
@@ -94,9 +118,20 @@ public class ScoreModels
     return models.values();
   }
 
-  public ScoreModelI forName(String s)
+  /**
+   * Returns an instance of a score model for the given name. If the model is of
+   * 'view dependent' type (e.g. feature similarity), instantiates a new
+   * instance configured for the given view. Otherwise returns a cached instance
+   * of the score model.
+   * 
+   * @param name
+   * @param avp
+   * @return
+   */
+  public ScoreModelI getScoreModel(String name, AlignmentViewPanel avp)
   {
-    return models.get(s);
+    ScoreModelI model = models.get(name);
+    return model == null ? null : model.getInstance(avp);
   }
 
   public void registerScoreModel(ScoreModelI sm)
@@ -110,15 +145,32 @@ public class ScoreModels
   }
 
   /**
+   * Resets to just the built-in score models
+   */
+  public void reset()
+  {
+    ApplicationSingletonProvider.removeInstance(this.getClass());
+  }
+
+  /**
    * Returns the default peptide or nucleotide score model, currently BLOSUM62
    * or DNA
    * 
    * @param forPeptide
    * @return
    */
-  public PairwiseSeqScoreModel getDefaultModel(boolean forPeptide)
+  public ScoreMatrix getDefaultModel(boolean forPeptide)
+  {
+    return forPeptide ? BLOSUM62 : DNA;
+  }
+
+  public ScoreMatrix getBlosum62()
+  {
+    return BLOSUM62;
+  }
+
+  public ScoreMatrix getPam250()
   {
-    return (PairwiseSeqScoreModel) (forPeptide ? forName("BLOSUM62")
-            : forName("DNA"));
+    return PAM250;
   }
 }