@Override
public void store(Item item) throws IOException {
String userId = item.getUserId();
String tweetId = item.getId();
long timestamp = item.getPublicationTime();
// String title = item.getTitle();
Vertex source = getOrCreateVertex(userId, vertexUserId);
// handle mentions
String[] mentions = item.getMentions();
for (String userMention : mentions) {
Edge edge;
// handle retweets
if (!item.isOriginal()) {
String userRetweets = item.getReferencedUserId();
Vertex destination = getOrCreateVertex(userRetweets, vertexUserId);
edge = titanGraph.addEdge(null, source, destination, edgeReTweets);
// edge.setProperty("title", title);
} else {
Vertex destination = getOrCreateVertex(userMention, vertexUserId);
edge = titanGraph.addEdge(null, source, destination, edgeMentions);
// edge.setProperty("title", title);
}
edge.setProperty(edgePropertyTweedId, tweetId);
edge.setProperty(edgePropertyTimestamp, timestamp);
}
titanGraph.commit();
}
/**
* Stores an item to all available databases
*
* @param item
* @throws IOException
*/
private void process(Item item) throws IOException {
if (store != null) {
for (ItemFilter filter : filters) {
if (!filter.accept(item)) {
return;
}
}
for (Processor processor : processors) {
processor.process(item);
}
if (item.getOperation() == Operation.NEW) {
store.store(item);
} else if (item.getOperation() == Operation.UPDATE) {
store.update(item);
} else if (item.getOperation() == Operation.DELETED) {
store.delete(item.getId());
} else {
System.out.println(item.getOperation() + ": Not supported operation");
}
}
}