Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.issues.common/src/org/simantics/issues/common/IssueResourcesContexts.java b/bundles/org.simantics.issues.common/src/org/simantics/issues/common/IssueResourcesContexts.java
new file mode 100644 (file)
index 0000000..640b6f7
--- /dev/null
+++ b/bundles/org.simantics.issues.common/src/org/simantics/issues/common/IssueResourcesContexts.java
@@ -0,0 +1,50 @@
+/*******************************************************************************\r
+ * Copyright (c) 2013 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     Semantum Oy - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.issues.common;\r
+\r
+import gnu.trove.set.hash.THashSet;\r
+\r
+import java.util.Collection;\r
+import java.util.Set;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.UnaryRead;\r
+import org.simantics.db.common.utils.ListUtils;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.issues.ontology.IssueResource;\r
+\r
+/**\r
+ * A request for calculating the set of issue context resources for the\r
+ * specified collection of issue resources.\r
+ * \r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class IssueResourcesContexts extends UnaryRead<Collection<Resource>, Set<Resource>> {\r
+\r
+    public IssueResourcesContexts(Collection<Resource> issues) {\r
+        super(issues);\r
+    }\r
+\r
+    @Override\r
+    public Set<Resource> perform(ReadGraph graph) throws DatabaseException {\r
+        IssueResource ISSUE = IssueResource.getInstance(graph);\r
+        Set<Resource> result = new THashSet<Resource>();\r
+        for(Resource issue : parameter) {\r
+            result.addAll(graph.getObjects(issue, ISSUE.Issue_HasContext));\r
+            Resource list = graph.getPossibleObject(issue, ISSUE.Issue_HasContexts);\r
+            if(list != null) result.addAll(ListUtils.toList(graph, list));\r
+        }\r
+        return result;\r
+    }\r
+\r
+}\r