From 248798f4fad0a235508902877cffd1b4298921f7 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Hannu=20Niemist=C3=B6?= <hannu.niemisto@semantum.fi>
Date: Fri, 16 Sep 2016 17:28:01 +0300
Subject: [PATCH] Small improvements to statement collision reporting.

Change-Id: I18469fcc69d11f1fcd652ad7f8ffd52496064d30
---
 .../internal/validation/ReportCollisions.java  | 15 ++++++++++++---
 .../graph/store/StatementCollision.java        |  4 +++-
 .../simantics/graph/store/StatementStore.java  | 18 ++++++++++++++----
 3 files changed, 29 insertions(+), 8 deletions(-)

diff --git a/bundles/org.simantics.graph.compiler/src/org/simantics/graph/compiler/internal/validation/ReportCollisions.java b/bundles/org.simantics.graph.compiler/src/org/simantics/graph/compiler/internal/validation/ReportCollisions.java
index 28a53381e..277ddc7b1 100644
--- a/bundles/org.simantics.graph.compiler/src/org/simantics/graph/compiler/internal/validation/ReportCollisions.java
+++ b/bundles/org.simantics.graph.compiler/src/org/simantics/graph/compiler/internal/validation/ReportCollisions.java
@@ -5,6 +5,7 @@ import java.util.Collection;
 import org.simantics.graph.compiler.GraphCompilerPreferences;
 import org.simantics.graph.compiler.internal.store.LocationStore;
 import org.simantics.graph.compiler.internal.templates.TemplateDefinitionStore;
+import org.simantics.graph.query.Res;
 import org.simantics.graph.store.GraphStore;
 import org.simantics.graph.store.StatementCollision;
 import org.simantics.ltk.Problem;
@@ -22,6 +23,13 @@ public class ReportCollisions implements Runnable {
 		this.store = store;
 	}
 	
+	private static String abbreviateURI(Res res) {
+	    if(res == null)
+	        return "null";
+	    String uri = res.toString();
+	    return uri.replace("http://www.simantics.org/", "");
+	}
+	
 	@Override
 	public void run() {
 		LocationStore locations = store.getStore(LocationStore.class);
@@ -41,9 +49,10 @@ public class ReportCollisions implements Runnable {
 		    for(StatementCollision collision : store.statements.getCollisions()) {
 		        problems.add(new Problem(
 		                locations.getLocation(collision.subject), 
-		                "The same statement is defined twice: " +
-		                        store.idToRes(collision.predicate) + ", " +
-		                        store.idToRes(collision.object)));
+		                "The same statement is defined " + collision.count + " times: " +
+		                        abbreviateURI(store.idToRes(collision.subject)) + ", " +
+		                        abbreviateURI(store.idToRes(collision.predicate)) + ", " +
+		                        abbreviateURI(store.idToRes(collision.object))));
 		    }
 	}
 	
diff --git a/bundles/org.simantics.graph/src/org/simantics/graph/store/StatementCollision.java b/bundles/org.simantics.graph/src/org/simantics/graph/store/StatementCollision.java
index 8c24b882d..3bcd4f0bf 100644
--- a/bundles/org.simantics.graph/src/org/simantics/graph/store/StatementCollision.java
+++ b/bundles/org.simantics.graph/src/org/simantics/graph/store/StatementCollision.java
@@ -4,11 +4,13 @@ public class StatementCollision {
     public final int subject;
     public final int predicate;
     public final int object;
+    public final int count;
     
-    public StatementCollision(int subject, int predicate, int object) {
+    public StatementCollision(int subject, int predicate, int object, int count) {
         this.subject = subject;
         this.predicate = predicate;
         this.object = object;
+        this.count = count;
     }
 }
 
diff --git a/bundles/org.simantics.graph/src/org/simantics/graph/store/StatementStore.java b/bundles/org.simantics.graph/src/org/simantics/graph/store/StatementStore.java
index cc82975c8..02dfddde8 100644
--- a/bundles/org.simantics.graph/src/org/simantics/graph/store/StatementStore.java
+++ b/bundles/org.simantics.graph/src/org/simantics/graph/store/StatementStore.java
@@ -319,13 +319,23 @@ public class StatementStore implements IStore {
 	    public boolean execute(int predicate, TIntArrayList objects) {
 	        if(objects.size() > 1) {
 	            objects.sort();
-	            int oldObject = objects.get(0); 
+	            int oldObject = objects.get(0);
+	            int collisionCount = 1;
 	            for(int i=1;i<objects.size();++i) {
 	                int curObject = objects.get(i);
-	                if(curObject == oldObject)
-	                    collisions.add(new StatementCollision(subject, predicate, curObject));
-	                oldObject = curObject;
+	                if(curObject == oldObject) {
+	                    ++collisionCount;
+	                }
+	                else {
+	                    if(collisionCount > 1) {
+	                        collisions.add(new StatementCollision(subject, predicate, oldObject, collisionCount));
+	                        collisionCount = 1;
+	                    }
+	                    oldObject = curObject;
+	                }
 	            }
+                if(collisionCount > 1)
+                    collisions.add(new StatementCollision(subject, predicate, oldObject, collisionCount));
 	        }
 	        return true;
 	    }
-- 
2.47.1