/// <summary>
/// Gets the next link based on the traversal type
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public string dequeueWebpageUrl(TraversalStyle type, WebCache cache)
{
string link = String.Empty;
if (type == TraversalStyle.DEFAULT_TRAVERSAL_SEARCH)
{
webpageUrlQueue.tryRelease(out link);
}
else if (type == TraversalStyle.STRICT_RELEVANCE_SEARCH)
{
webpageUrlQueue.tryRelease(out link);
}
else if (type == TraversalStyle.PRECENTAGE_SHIFT_SEARCH)
{
link = precentageShiftDequeue(link);
}
else if (type == TraversalStyle.RANDOM_HALF_SEARCH)
{
link = randomHalfDequeue(link);
}
else if (type == TraversalStyle.NEXT_DIFFERING_SEARCH)
{
link = nextDifferingDequeue(cache, link);
}
if (link == String.Empty)
{
webpageUrlQueue.tryRelease(out link);
}
return(link);
}
public SearchContext(ConfiguredSettings configs, ConcurrentQueue <string> mainQueue, ConcurrentQueue <string> secondaryQueue, string id) : base(mainQueue, secondaryQueue)
{
contextualId = id;
configuredSettings = configs;
bool isUsingQueue = configs.get(ConfiguredConstants.USE_QUEUE_LBL).ToBoolean();
if (sharedSearchContext == null)
{
sharedSearchContext = new SharedSearchContextState(isUsingQueue);
sharedSearchContext.getContextInfo().addThreadId(contextualId);
}
else
{
sharedSearchContext.getContextInfo().addThreadId(contextualId);
}
maxPageSearchLimit = StringExtensionMethods.ToInteger(configs.get(ConfiguredConstants.SEARCH_LIMIT_LBL));
traversalStyle = TraversalStyle.getTraversalType(configs.get(ConfiguredConstants.TRAVERSAL_STYLE_LBL));
currentUrl = StringExtensionMethods.URLifyParseAddition(configs.get(ConfiguredConstants.ENTRY_POINT_LBL), configs.get(ConfiguredConstants.SEARCH_PHRASE_LBL));
}
private string dequeueWebpageUrl(TraversalStyle style, WebCache cache)
{
return(sharedSearchContext.dequeueWebpageUrl(style, cache));
}
/// <summary>
/// populates the map of configured parameters
/// </summary>
/// <param name="query"></param>
/// <returns></returns>
private ConfiguredSettings constructConfiguredSettings(string query)
{
Dictionary <string, ConfiguredParameter> settings = new Dictionary <string, ConfiguredParameter>();
// get the entry point, this is must have a value
string parameterValue = getWellFormedAndContainedParamter(query, ConfiguredConstants.ENTRY_POINT_LBL);
if (parameterValue != null)
{
string attemptedConversion = tryConvertEntryPoint(parameterValue);
settings.Add(ConfiguredConstants.ENTRY_POINT_LBL, new ConfiguredParameter(ConfiguredConstants.ENTRY_POINT_DESC, attemptedConversion));
}
else
{
settings.Add(ConfiguredConstants.ENTRY_POINT_LBL, new ConfiguredParameter(ConfiguredConstants.ENTRY_POINT_DESC, defaultEntrySearchEngines[getRandomEntryPointKey()]));
}
// a term to search for is required, or else its just looking up this programs name "into the aether"
parameterValue = getWellFormedAndContainedParamter(query, ConfiguredConstants.SEARCH_PHRASE_LBL);
if (parameterValue != null)
{
settings.Add(ConfiguredConstants.SEARCH_PHRASE_LBL, new ConfiguredParameter(ConfiguredConstants.SEARCH_PHRASE_DESC, parameterValue));
}
else
{
settings.Add(ConfiguredConstants.SEARCH_PHRASE_LBL, new ConfiguredParameter(ConfiguredConstants.SEARCH_PHRASE_DESC, ApplicationConstants.APPLICATION_NAME));
}
// gets the collection for traversals to use
parameterValue = getWellFormedAndContainedParamter(query, ConfiguredConstants.USE_QUEUE_LBL);
if (parameterValue != null)
{
settings.Add(ConfiguredConstants.USE_QUEUE_LBL, new ConfiguredParameter(ConfiguredConstants.USE_QUEUE_DESC, parameterValue.ToBoolean().ToString()));
}
else
{
settings.Add(ConfiguredConstants.USE_QUEUE_LBL, new ConfiguredParameter(ConfiguredConstants.USE_QUEUE_DESC, bool.TrueString));
}
// changes the traversal style to either
parameterValue = getWellFormedAndContainedParamter(query, ConfiguredConstants.TRAVERSAL_STYLE_LBL);
if (parameterValue != null)
{
string temp = TraversalStyle.getTraversalType(parameterValue).getName();
settings.Add(ConfiguredConstants.TRAVERSAL_STYLE_LBL, new ConfiguredParameter(ConfiguredConstants.TRAVERSAL_STYLE_DESC, temp));
}
else
{
settings.Add(ConfiguredConstants.TRAVERSAL_STYLE_LBL, new ConfiguredParameter(ConfiguredConstants.TRAVERSAL_STYLE_DESC, TraversalStyle.DEFAULT_TRAVERSAL_SEARCH.getName()));
}
// get the amount of searches
parameterValue = getWellFormedAndContainedParamter(query, ConfiguredConstants.SEARCH_LIMIT_LBL);
if (parameterValue != null && parameterValue.Length < 6 && parameterValue.IsNumeric())
{
settings.Add(ConfiguredConstants.SEARCH_LIMIT_LBL, new ConfiguredParameter(ConfiguredConstants.SEARCH_LIMIT_DESC, parameterValue));
}
else
{
settings.Add(ConfiguredConstants.SEARCH_LIMIT_LBL, new ConfiguredParameter(ConfiguredConstants.SEARCH_LIMIT_DESC, ApplicationConstants.GREATER_STORAGE_LIMIT + ""));
}
// determines the amount of threads the user wants to use, seriously, no more than 10 threads, even this is meh
parameterValue = getWellFormedAndContainedParamter(query, ConfiguredConstants.THREADLING_COUNT_LBL);
if (parameterValue != null && parameterValue.IsNumeric() && Int32.Parse(parameterValue) > 0 && Int32.Parse(parameterValue) < 10)
{
settings.Add(ConfiguredConstants.THREADLING_COUNT_LBL, new ConfiguredParameter(ConfiguredConstants.THREADLING_COUNT_DESC, Int32.Parse(parameterValue) + ""));
}
else
{
settings.Add(ConfiguredConstants.THREADLING_COUNT_LBL, new ConfiguredParameter(ConfiguredConstants.THREADLING_COUNT_DESC, "1"));
}
// determines if the user wants the raw gathered information
parameterValue = getWellFormedAndContainedParamter(query, ConfiguredConstants.USE_FILTER_LBL);
if (parameterValue != null)
{
settings.Add(ConfiguredConstants.USE_FILTER_LBL, new ConfiguredParameter(ConfiguredConstants.USE_FILTER_DESC, parameterValue.ToBoolean().ToString()));
}
else
{
settings.Add(ConfiguredConstants.USE_FILTER_LBL, new ConfiguredParameter(ConfiguredConstants.USE_FILTER_DESC, Boolean.TrueString));
}
return(new ConfiguredSettings(settings));
}
