/**
* Get similar documents to the current document by matching the nodes
*
* @param doc target document
* @param neo4jHandler neo4j handler
* @param datasetHandler dataset handler
* @return arraylist of matching document
* @throws IOException
* @throws ClassNotFoundException
*/
private ArrayList<Neo4jDocument> getSimilarDocuments(
Neo4jDocument doc, Neo4jHandler neo4jHandler, DatasetLoader datasetHandler)
throws IOException, ClassNotFoundException {
ArrayList<Neo4jDocument> similarDocument = new ArrayList<Neo4jDocument>();
Hashtable<String, Neo4jDocument> similarDocumentHash = new Hashtable<String, Neo4jDocument>();
Neo4jDocument neo4jDocument = doc;
ArrayList<Neo4jNode> nodes = neo4jDocument.getNodesList();
for (Iterator iterator = nodes.iterator(); iterator.hasNext(); ) {
Neo4jNode neo4jNode = (Neo4jNode) iterator.next();
Hashtable<String, ArrayList<String>> documentTable = neo4jNode.getDocumentTable();
Enumeration e = documentTable.keys();
while (e.hasMoreElements()) {
String simDocumentID = (String) e.nextElement();
if (!simDocumentID.equalsIgnoreCase(doc.getDocumentID())
&& !similarDocumentHash.containsKey(simDocumentID)) {
Document d = datasetHandler.getDocument(simDocumentID);
Neo4jDocument nd = neo4jHandler.loadDocument(d);
similarDocumentHash.put(simDocumentID, nd);
similarDocument.add(nd);
} // end if
} // end looping for document at document table in the current node
} // end looping for the node
return similarDocument;
}
