diff -u -r1.3 -r1.4
--- BaseRelationalTable.java	10 Sep 2007 23:45:49 -0000	1.3
+++ BaseRelationalTable.java	16 Apr 2013 23:35:45 -0000	1.4
@@ -1,5 +1,6 @@

 package org.lcsim.event.base;
 

+import java.util.Collection;

 import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;

@@ -8,6 +9,8 @@

 import java.util.Map;
 import java.util.Set;
 import java.util.TreeSet;

+
+import org.lcsim.event.LCRelation;

 import org.lcsim.event.RelationalTable;
 
 /**

@@ -47,6 +50,7 @@

    {
       this(Mode.MANY_TO_MANY,Weighting.WEIGHTED);
    }

+   

    public BaseRelationalTable(Mode mode, Weighting weighting)
    {
       this.mode = mode;

@@ -348,4 +352,11 @@

          else return (int) Math.signum(w2 - w1);
       }
    }

+   
+   public void addRelations(Collection<LCRelation> relations)
+   {
+       for (LCRelation r : relations) {
+           this.add((F)r.getFrom(), (T)r.getTo(), r.getWeight());
+       }
+   }

 }

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