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diff --git a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/ForEachObjectContextProcedure.java b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/ForEachObjectContextProcedure.java
new file mode 100644
index 000000000..7299059b9
--- /dev/null
+++ b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/ForEachObjectContextProcedure.java
@@ -0,0 +1,44 @@
+package org.simantics.db.impl;
+
+import org.simantics.db.AsyncReadGraph;
+import org.simantics.db.RelationInfo;
+import org.simantics.db.Resource;
+import org.simantics.db.impl.query.QueryProcessor;
+import org.simantics.db.procedure.AsyncContextMultiProcedure;
+
+public final class ForEachObjectContextProcedure<C> implements AsyncContextMultiProcedure<C, Resource> {
+
+	public final int predicateKey;
+	public final int[] clusterKey;
+	public final int[] predicateReference;
+	public final RelationInfo info;
+	public final QueryProcessor processor;
+	public final ClusterI.CompleteTypeEnum completeType;
+	private final AsyncContextMultiProcedure<C, Resource> user;
+	
+	public ForEachObjectContextProcedure(int predicateKey, RelationInfo info, QueryProcessor processor, AsyncContextMultiProcedure<C, Resource> user) {
+		this.predicateKey = predicateKey;
+		this.completeType = ClusterTraitsBase.getCompleteTypeFromResourceKey(predicateKey); 
+		this.info = info;
+		this.user = user;
+		this.processor = processor;
+		this.clusterKey = new int[32*8];
+		this.predicateReference = new int[32*8];
+	}
+	
+	@Override
+	public void execute(AsyncReadGraph graph, C context, Resource result) {
+		user.execute(graph, context, result);
+	}
+
+	@Override
+	public void finished(AsyncReadGraph graph) {
+		user.finished(graph);
+	}
+
+	@Override
+	public void exception(AsyncReadGraph graph, Throwable throwable) {
+		user.exception(graph, throwable);
+	}
+	
+}