public IndexedDocument GetDocument(string key)
{
// look up the file corresponding to the key
string file;
if (index.TryGetValue(key, out file))
{
// now look for that file in the cache
IndexedDocument document;
if (!cache.TryGetValue(file, out document))
{
// not in the cache, so load it
document = new IndexedDocument(this, file);
// if the cache is full, remove a document
if (cache.Count >= cacheSize)
{
string fileToUnload = queue.Dequeue();
cache.Remove(fileToUnload);
}
// add it to the cache
cache.Add(file, document);
queue.Enqueue(file);
}
// XPathNavigator content = document.GetContent(key);
return(document);
}
else
{
// there is no such key
return(null);
}
}
public XPathNavigator GetContent(string key)
{
IndexedDocument document = GetDocument(key);
if (document == null)
{
return(null);
}
else
{
return(document.GetContent(key));
}
}
public void AddDocument(string file)
{
// load the document
IndexedDocument document = new IndexedDocument(this, file);
// record the keys
string[] keys = document.GetKeys();
foreach (string key in keys)
{
if (index.ContainsKey(key))
{
component.WriteHelperMessage(MessageLevel.Warn, String.Format("Entries for the key '{0}' occur in both '{1}' and '{2}'. The last entry will be used.", key, index[key], file));
}
index[key] = file;
}
}
public IndexedDocument GetDocument(string key) {
// look up the file corresponding to the key
string file;
if (index.TryGetValue(key, out file)) {
// now look for that file in the cache
IndexedDocument document;
if (!cache.TryGetValue(file, out document)) {
// not in the cache, so load it
document = new IndexedDocument(this, file);
// if the cache is full, remove a document
if (cache.Count >= cacheSize) {
string fileToUnload = queue.Dequeue();
cache.Remove(fileToUnload);
}
// add it to the cache
cache.Add(file, document);
queue.Enqueue(file);
}
// XPathNavigator content = document.GetContent(key);
return (document);
} else {
// there is no such key
return (null);
}
}
public void AddDocument(string file) {
// load the document
IndexedDocument document = new IndexedDocument(this, file);
// record the keys
string[] keys = document.GetKeys();
foreach (string key in keys) {
if (index.ContainsKey(key)) {
component.WriteHelperMessage(MessageLevel.Warn, String.Format("Entries for the key '{0}' occur in both '{1}' and '{2}'. The last entry will be used.", key, index[key], file));
}
index[key] = file;
}
}
