private void cleanUpUris() {
synchronized (uriUsages) {
final List<Persistence.UriUsage> toBeDiscardedUriUsages = uriUsages.getUriUsages();
Collections.sort(toBeDiscardedUriUsages);
final int toBeDiscardedCount = toBeDiscardedUriUsages.size() / 2;
for (int index = 0; index < toBeDiscardedCount; index++) {
final Persistence.UriUsage discardedUriUsage =
uriUsages.remove(toBeDiscardedUriUsages.get(index).uri);
properties.remove(discardedUriUsage.uri);
if (log.isDebugEnabled()) {
log.debug(
"Removed from the cache the URI "
+ discardedUriUsage.uri
+ "' accessed "
+ discardedUriUsage.getAccessCount()
+ " time(s), corresponding to the file '"
+ discardedUriUsage.storageFilePath);
}
}
// We reset the remaining usages
uriUsages.resetAccessCount();
if (log.isInfoEnabled()) {
log.info(
"The web cache has been cleaned-up and it now contains "
+ uriUsages.size()
+ " item(s)");
}
}
}
private void rememberUriUsed(String uri) {
if (isStorageLimited() == true) {
final Persistence.UriUsage uriUsage = uriUsages.get(uri);
uriUsage.accessed();
if (log.isDebugEnabled()) {
log.debug(
"The URI '" + uri + "' has been accessed " + uriUsage.getAccessCount() + " time(s)");
}
}
}
private void registerUri(String uri, String filePath) {
Persistence.UriUsage uriUsage;
synchronized (uriUsages) {
uriUsage = uriUsages.get(uri);
if (uriUsage == null) {
uriUsage = new Persistence.UriUsage(filePath, uri);
uriUsage.accessed();
uriUsages.put(uri, uriUsage);
properties.put(uri, filePath);
fileIndexNeedsSaving = true;
if (log.isDebugEnabled()) {
log.debug("Registered the URI '" + uri + "' with the file '" + filePath + "'");
}
}
}
}