X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Fprimitiverequest%2FIsExternalEntity.java;fp=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Fprimitiverequest%2FIsExternalEntity.java;h=3ac3a5f3d3b04cb33dc61fe7a961803e74d992f1;hb=28383a4302178eb8aaac0c0e870fec438dbca935;hp=0000000000000000000000000000000000000000;hpb=0807209928f01e95669af6aeb671110209774bc6;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/primitiverequest/IsExternalEntity.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/primitiverequest/IsExternalEntity.java
new file mode 100644
index 000000000..3ac3a5f3d
--- /dev/null
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/primitiverequest/IsExternalEntity.java
@@ -0,0 +1,35 @@
+/*******************************************************************************
+ * Copyright (c) 2017 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Semantum Oy - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.common.primitiverequest;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.ResourceRead;
+import org.simantics.db.exception.ServiceException;
+import org.simantics.layer0.Layer0;
+
+/**
+ * @author Tuukka Lehtonen
+ * @since 1.31.0
+ */
+public final class IsExternalEntity extends ResourceRead<Boolean> {
+
+    public IsExternalEntity(Resource resource) {
+        super(resource);
+    }
+
+    @Override
+    public Boolean perform(ReadGraph graph) throws ServiceException {
+        return graph.isInstanceOf(resource, Layer0.getInstance(graph).ExternalEntity);
+    }
+
+}