X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.interop%2Fsrc%2Forg%2Fsimantics%2Finterop%2Ftest%2FResourceComparator.java;h=f01d88d860b2bd34edc8b513740d6b6f353820f9;hb=fe0bc70df73b9c49e6bbcf39c6787a0c57d10851;hp=f65617cb1dac8fe22e76a95173f5616d6ec54c9e;hpb=cbc22e9a30434bca2d197a3b6cbbdbced19aed4e;p=simantics%2Finterop.git

diff --git a/org.simantics.interop/src/org/simantics/interop/test/ResourceComparator.java b/org.simantics.interop/src/org/simantics/interop/test/ResourceComparator.java
index f65617c..f01d88d 100644
--- a/org.simantics.interop/src/org/simantics/interop/test/ResourceComparator.java
+++ b/org.simantics.interop/src/org/simantics/interop/test/ResourceComparator.java
@@ -11,6 +11,10 @@ import org.simantics.db.exception.DatabaseException;
  */
 public abstract class ResourceComparator {
 	
+	public static int NO_MATCH = Integer.MAX_VALUE;   // Comparison result when Resources cannot match.
+	public static int UNDECISIVE = 0;                 // Comparison result when current available data is not enough to decide if the Resources match or not. 
+	public static int EXACT_MATCH = 1;                // Comparison result when Resources are exact match.
+	
 	private GraphComparator comparator;
 	
 	void setComparator(GraphComparator comparator) {
@@ -21,6 +25,16 @@ public abstract class ResourceComparator {
 		return comparator;
 	}
 	
+	/**
+	 * Optional initialization method for overriding implementations.
+	 * 
+	 * @param g
+     * @param r1 root 1
+     * @param r2 root 2
+	 */
+	public void initialize(ReadGraph g, Resource r1, Resource r2) throws DatabaseException {
+	    
+	}
 	
 	/**
 	 * Compares two resources and returns numeric value of differences, minimum value is 1.