public IndexedDocumentCache(CopyFromIndexComponent component, string keyXPath, string valueXPath, XmlNamespaceManager context, int cacheSize)
{
if (component == null)
{
throw new ArgumentNullException("component");
}
if (cacheSize < 0)
{
throw new ArgumentOutOfRangeException("cacheSize");
}
this.component = component;
try {
keyExpression = XPathExpression.Compile(keyXPath);
} catch (XPathException) {
component.WriteHelperMessage(MessageLevel.Error, String.Format("The key expression '{0}' is not a valid XPath expression.", keyXPath));
}
keyExpression.SetContext(context);
try {
valueExpression = XPathExpression.Compile(valueXPath);
} catch (XPathException) {
component.WriteHelperMessage(MessageLevel.Error, String.Format("The value expression '{0}' is not a valid XPath expression.", valueXPath));
}
valueExpression.SetContext(context);
this.cacheSize = cacheSize;
// set up the cache
cache = new Dictionary <string, IndexedDocument>(cacheSize);
queue = new Queue <string>(cacheSize);
}
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 IndexedDocumentCache(CopyFromIndexComponent component, string keyXPath, string valueXPath, XmlNamespaceManager context, int cacheSize) {
if (component == null) throw new ArgumentNullException("component");
if (cacheSize < 0) throw new ArgumentOutOfRangeException("cacheSize");
this.component = component;
try {
keyExpression = XPathExpression.Compile(keyXPath);
} catch (XPathException) {
component.WriteHelperMessage(MessageLevel.Error, String.Format("The key expression '{0}' is not a valid XPath expression.", keyXPath));
}
keyExpression.SetContext(context);
try {
valueExpression = XPathExpression.Compile(valueXPath);
} catch (XPathException) {
component.WriteHelperMessage(MessageLevel.Error, String.Format("The value expression '{0}' is not a valid XPath expression.", valueXPath));
}
valueExpression.SetContext(context);
this.cacheSize = cacheSize;
// set up the cache
cache = new Dictionary<string, IndexedDocument>(cacheSize);
queue = new Queue<string>(cacheSize);
}