Issues-view menu improvements & Variable-based issue context resolution

[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / request / UnescapedAssertedPropertyMapOfResource.java

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/UnescapedAssertedPropertyMapOfResource.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/UnescapedAssertedPropertyMapOfResource.java
new file mode 100644 (file)
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+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/UnescapedAssertedPropertyMapOfResource.java
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+/*******************************************************************************
+ * 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.layer0.request;
+
+ import gnu.trove.map.hash.THashMap;
+
+import java.util.Collection;
+import java.util.Map;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Statement;
+import org.simantics.db.common.procedure.adapter.TransientCacheAsyncListener;
+import org.simantics.db.common.request.ResourceRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+import org.simantics.utils.datastructures.Pair;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @author Tuukka Lehtonen
+ * @since 1.27.0
+ */
+public class UnescapedAssertedPropertyMapOfResource extends ResourceRead<Map<String, Pair<PropertyInfo, Resource>>> {
+
+       private static final Logger LOGGER = LoggerFactory.getLogger(UnescapedAssertedPropertyMapOfResource.class);
+
+       public UnescapedAssertedPropertyMapOfResource(Resource resource) {
+               super(resource);
+       }
+
+       @Override
+       public Map<String,Pair<PropertyInfo, Resource>> perform(ReadGraph graph) throws DatabaseException {
+               Layer0 L0 = Layer0.getInstance(graph);
+               Collection<Statement> assertions = graph.getAssertedStatements(resource, L0.HasProperty); 
+               THashMap<String, Pair<PropertyInfo, Resource>> result = new THashMap<>(assertions.size());
+               for (Statement stm : assertions) {
+                       PropertyInfo info = graph.syncRequest(new PropertyInfoRequest(stm.getPredicate()), TransientCacheAsyncListener.<PropertyInfo>instance());
+                       if (info != null && info.isHasProperty) {
+                               String name = info.name;
+                               // Use putIfAbsent because we want to prefer the results that are first,
+                               // i.e. the ones deeper in the type inheritance chain.
+                               if (result.putIfAbsent(name, Pair.make(info, stm.getObject())) != null) {
+                                       if (LOGGER.isDebugEnabled()) {
+                                               LOGGER.debug(this + ": The database resource $" + resource.getResourceId()
+                                                               + " asserts the multiple properties with the same name " + name + " (resource=$"
+                                                               + info.predicate.getResourceId() + ").");
+                                       }
+                               }
+                       }
+               }
+               return result;
+       }
+
+}