Preliminary support for purely Variable based dynamic issue sources

[simantics/platform.git] / bundles / org.simantics.issues.common / src / org / simantics / issues / common / DynamicIssueSources.java

diff --git a/bundles/org.simantics.issues.common/src/org/simantics/issues/common/DynamicIssueSources.java b/bundles/org.simantics.issues.common/src/org/simantics/issues/common/DynamicIssueSources.java
new file mode 100644 (file)
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+++ b/bundles/org.simantics.issues.common/src/org/simantics/issues/common/DynamicIssueSources.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.issues.common;
+
+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.db.layer0.request.PossibleVariable;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.issues.ontology.IssueResource;
+
+import gnu.trove.set.hash.THashSet;
+
+/**
+ * @author Tuukka Lehtonen
+ * @since 1.27
+ */
+public class DynamicIssueSources extends ResourceRead<Set<Variable>> {
+
+    public DynamicIssueSources(Resource project) {
+        super(project);
+    }
+
+    @Override
+    public Set<Variable> perform(ReadGraph graph) throws DatabaseException {
+        IssueResource ISSUE = IssueResource.getInstance(graph);
+        Set<Variable> result = new THashSet<>();
+        for (Resource source : graph.syncRequest(new ActiveProjectIssueSources(resource, ISSUE.DynamicIssueSource))) {
+            boolean selected = graph.hasStatement(source, ISSUE.IssueSource_Selected);
+            if (!selected)
+                continue;
+            Variable v = graph.syncRequest(new PossibleVariable(source));
+            if (v != null)
+                result.add(v);
+        }
+        return result;
+    }
+
+}