X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.document.linking.ui%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Flinking%2Freport%2Fevaluator%2FOr.java;fp=bundles%2Forg.simantics.document.linking.ui%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Flinking%2Freport%2Fevaluator%2FOr.java;h=678714f833a7cad0c5311f3c561144cb0eac361e;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

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
index 000000000..678714f83
--- /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;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.document.linking.Activator;
+import org.simantics.document.linking.ontology.DocumentLink;
+import org.simantics.document.linking.report.DocumentLine;
+import org.simantics.objmap.graph.annotations.OrderedSetType;
+
+
+/**
+ * Or node returns the first non null value of children.
+ * 
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
+ *
+ */
+
+@OrderedSetType(DocumentLink.URIs.EvaluatorTree_Or)
+public class Or extends EvaluatorNode{
+	
+	
+	
+	@Override
+	public String getValue(ReadGraph graph, Variable variable, Map<Object, Object> context) throws DatabaseException {
+		
+		for (int i = 0 ; i < children.size(); i++) {
+			String s =  children.get(i).getValue(graph, variable, context);
+			if (s != null && s.length() > 0)
+				return s;
+		}
+		
+		return null;
+	}
+	
+	@Override
+	public List<DocumentLine> getLines(ReadGraph graph,	Variable variable, Map<Object, Object> context) throws DatabaseException {
+		for (int i = 0 ; i < children.size(); i++) {
+			List<DocumentLine> list = children.get(i).getLines(graph, variable, context);
+			if (list.size() > 0)
+				return list;
+		}
+		return Collections.emptyList();
+	}
+	
+	@Override
+	public String toString() {
+		return "or";
+	}
+	
+	@Override
+	public EvaluatorItem copy() {
+		Or or = new Or();
+		copyChildren(or);
+		return or;
+	}
+	
+	@Override
+	public ImageDescriptor getImage() {
+		return Activator.imageDescriptorFromPlugin("com.famfamfam.silk", "icons/text_list_numbers.png");
+	}
+	
+	
+
+}