Author: pwang
Date: 2010-06-28 13:24:15 -0700 (Mon, 28 Jun 2010)
New Revision: 20690
Modified:
cytoscape/trunk/src/cytoscape/data/CyAttributesUtils.java
Log:
Add a new method
Modified: cytoscape/trunk/src/cytoscape/data/CyAttributesUtils.java
===================================================================
--- cytoscape/trunk/src/cytoscape/data/CyAttributesUtils.java 2010-06-28
20:23:15 UTC (rev 20689)
+++ cytoscape/trunk/src/cytoscape/data/CyAttributesUtils.java 2010-06-28
20:24:15 UTC (rev 20690)
@@ -838,4 +838,43 @@
attrs.getMultiHashMap().setAttributeValue(copyID,
attrName, visitedValue, keySpace);
}
}
+
+
+ /**
+ * Check if all the values for an attribute are NULL.
+ * @param attributeType "node" or "edge"
+ * @param attributeName attribute name.
+ */
+ public static boolean isNullAttribute(String attributeType, String
attributeName){
+
+ boolean retValue = true;
+
+ CyAttributes attributes = null;
+ if (attributeType.equalsIgnoreCase("node")){
+ attributes = Cytoscape.getNodeAttributes();
+ int[] nodeIndices =
Cytoscape.getCurrentNetwork().getNodeIndicesArray();
+ for (int i=0; i<nodeIndices.length; i++){
+ String nodeID =
Cytoscape.getRootGraph().getNode(nodeIndices[i]).getIdentifier();
+ Object valueObj =
attributes.getAttribute(nodeID, attributeName);
+ if (valueObj != null){
+ retValue = false;
+ break;
+ }
+ }
+ }
+ else {// edge
+ attributes = Cytoscape.getEdgeAttributes();
+ int[] edgeIndices =
Cytoscape.getCurrentNetwork().getEdgeIndicesArray();
+ for (int i=0; i<edgeIndices.length; i++){
+ String edgeID =
Cytoscape.getRootGraph().getEdge(edgeIndices[i]).getIdentifier();
+ Object valueObj =
attributes.getAttribute(edgeID, attributeName);
+ if (valueObj != null){
+ retValue = false;
+ break;
+ }
+ }
+ }
+
+ return retValue;
+ }
}
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