X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.graph.compiler%2Fsrc%2Forg%2Fsimantics%2Fgraph%2Fcompiler%2Finternal%2Fprocedures%2FMergeEqualResources.java;fp=bundles%2Forg.simantics.graph.compiler%2Fsrc%2Forg%2Fsimantics%2Fgraph%2Fcompiler%2Finternal%2Fprocedures%2FMergeEqualResources.java;h=17ebec994908180caf0f0f8468745b45ff4f98bd;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.graph.compiler/src/org/simantics/graph/compiler/internal/procedures/MergeEqualResources.java b/bundles/org.simantics.graph.compiler/src/org/simantics/graph/compiler/internal/procedures/MergeEqualResources.java
new file mode 100644
index 000000000..17ebec994
--- /dev/null
+++ b/bundles/org.simantics.graph.compiler/src/org/simantics/graph/compiler/internal/procedures/MergeEqualResources.java
@@ -0,0 +1,38 @@
+package org.simantics.graph.compiler.internal.procedures;
+
+import gnu.trove.list.array.TIntArrayList;
+import gnu.trove.map.hash.TIntIntHashMap;
+
+import org.simantics.graph.query.Paths;
+import org.simantics.graph.store.GraphStore;
+import org.simantics.graph.store.IdentityStore;
+
+public class MergeEqualResources implements Runnable {
+
+	GraphStore store;
+	Paths paths;
+		
+	public MergeEqualResources(Paths paths, GraphStore store) {
+	    this.paths = paths;
+		this.store = store;
+	}
+
+	@Override
+	public void run() {
+		IdentityStore identities = store.identities;
+		if(identities.contains(paths.Equals)) {
+			int equalsId = identities.pathToId(paths.Equals);
+			identities.removeIdentity(equalsId);
+			TIntArrayList rel = store.statements.extractRelation(equalsId);
+			for(int i=0;i<rel.size();i+=2)
+				identities.unify(rel.get(i), rel.get(i+1));
+		}
+		
+		TIntIntHashMap map = identities.extractUnifications();
+		do {
+			store.map(map);			
+			map = identities.extractUnifications();
+		} while(!map.isEmpty());
+	}	
+
+}