X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Fvalidation%2FGetConstraints.java;fp=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Fvalidation%2FGetConstraints.java;h=9cadfc4c6e886c3ca0301977555cd9aa83b25a04;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/validation/GetConstraints.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/validation/GetConstraints.java
new file mode 100644
index 000000000..9cadfc4c6
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/validation/GetConstraints.java
@@ -0,0 +1,30 @@
+package org.simantics.db.layer0.validation;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.ResourceRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+
+public class GetConstraints extends ResourceRead<Set<Resource>> {
+
+	public GetConstraints(Resource resource) {
+		super(resource);
+	}
+
+	@Override
+	public Set<Resource> perform(ReadGraph graph) throws DatabaseException {
+		
+		Layer0 L0 = Layer0.getInstance(graph);
+		HashSet<Resource> result = new HashSet<Resource>(); 
+		for(Resource type : graph.getTypes(resource)) {
+			result.addAll(graph.getObjects(type, L0.HasConstraint));
+		}
+		return result;
+		
+	}
+	
+}
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