Author: reto
Date: Mon Sep 13 13:43:29 2010
New Revision: 996528
URL: http://svn.apache.org/viewvc?rev=996528&view=rev
Log:
CLEREZZA-241: thowing IllegalArgument exception when constructor argument is
null
Modified:
incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.rdf.utils/src/main/java/org/apache/clerezza/rdf/utils/GraphNode.java
Modified:
incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.rdf.utils/src/main/java/org/apache/clerezza/rdf/utils/GraphNode.java
URL:
http://svn.apache.org/viewvc/incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.rdf.utils/src/main/java/org/apache/clerezza/rdf/utils/GraphNode.java?rev=996528&r1=996527&r2=996528&view=diff
==============================================================================
---
incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.rdf.utils/src/main/java/org/apache/clerezza/rdf/utils/GraphNode.java
(original)
+++
incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.rdf.utils/src/main/java/org/apache/clerezza/rdf/utils/GraphNode.java
Mon Sep 13 13:43:29 2010
@@ -30,7 +30,7 @@ import java.util.concurrent.locks.Lock;
* This class represents a node in the context of a graph. It provides
* utility methods to explore and modify its neighbourhood. The method
* modifying the graph will throw an {...@link UnsupportedOperationException}
- * it the undelying TripleCollection in inmutable (i.e. is a {...@link Graph}.
+ * it the underlying TripleCollection in immutable (i.e. is a {...@link Graph}.
*
* @since 0.2
* @author reto, mir
@@ -40,7 +40,19 @@ public class GraphNode {
private final Resource resource;
private final TripleCollection graph;
+ /**
+ * Create a GraphNode representing resource within graph.
+ *
+ * @param resource the resource this GraphNode represents
+ * @param graph the TripleCollection that describes the resource
+ */
public GraphNode(Resource resource, TripleCollection graph) {
+ if (resource == null) {
+ throw new IllegalArgumentException("resource may not be
null");
+ }
+ if (graph == null) {
+ throw new IllegalArgumentException("graph may not be
null");
+ }
this.resource = resource;
this.graph = graph;
}
