Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.document.linking.ui / src / org / simantics / document / linking / report / evaluator / Or.java

diff --git a/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/evaluator/Or.java b/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/evaluator/Or.java
new file mode 100644 (file)
index 0000000..678714f
--- /dev/null
+++ b/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/evaluator/Or.java
@@ -0,0 +1,70 @@
+package org.simantics.document.linking.report.evaluator;\r
+\r
+import java.util.Collections;\r
+import java.util.List;\r
+import java.util.Map;\r
+\r
+import org.eclipse.jface.resource.ImageDescriptor;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.document.linking.Activator;\r
+import org.simantics.document.linking.ontology.DocumentLink;\r
+import org.simantics.document.linking.report.DocumentLine;\r
+import org.simantics.objmap.graph.annotations.OrderedSetType;\r
+\r
+\r
+/**\r
+ * Or node returns the first non null value of children.\r
+ * \r
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
+ *\r
+ */\r
+\r
+@OrderedSetType(DocumentLink.URIs.EvaluatorTree_Or)\r
+public class Or extends EvaluatorNode{\r
+       \r
+       \r
+       \r
+       @Override\r
+       public String getValue(ReadGraph graph, Variable variable, Map<Object, Object> context) throws DatabaseException {\r
+               \r
+               for (int i = 0 ; i < children.size(); i++) {\r
+                       String s =  children.get(i).getValue(graph, variable, context);\r
+                       if (s != null && s.length() > 0)\r
+                               return s;\r
+               }\r
+               \r
+               return null;\r
+       }\r
+       \r
+       @Override\r
+       public List<DocumentLine> getLines(ReadGraph graph,     Variable variable, Map<Object, Object> context) throws DatabaseException {\r
+               for (int i = 0 ; i < children.size(); i++) {\r
+                       List<DocumentLine> list = children.get(i).getLines(graph, variable, context);\r
+                       if (list.size() > 0)\r
+                               return list;\r
+               }\r
+               return Collections.emptyList();\r
+       }\r
+       \r
+       @Override\r
+       public String toString() {\r
+               return "or";\r
+       }\r
+       \r
+       @Override\r
+       public EvaluatorItem copy() {\r
+               Or or = new Or();\r
+               copyChildren(or);\r
+               return or;\r
+       }\r
+       \r
+       @Override\r
+       public ImageDescriptor getImage() {\r
+               return Activator.imageDescriptorFromPlugin("com.famfamfam.silk", "icons/text_list_numbers.png");\r
+       }\r
+       \r
+       \r
+\r
+}\r