/**
* Replaces the {@link AddeEntry}s within {@code trie} with the contents of {@code newEntries}.
*
* @param oldEntries Entries to be replaced. Cannot be {@code null}.
* @param newEntries Entries to use as replacements. Cannot be {@code null}.
* @throws NullPointerException if either of {@code oldEntries} or {@code newEntries} is {@code
* null}.
*/
public void replaceEntries(
final Collection<? extends AddeEntry> oldEntries,
final Collection<? extends AddeEntry> newEntries) {
notNull(oldEntries, "Cannot replace a null set");
notNull(newEntries, "Cannot add a null set");
for (AddeEntry oldEntry : oldEntries) {
trie.remove(oldEntry.asStringId());
}
for (AddeEntry newEntry : newEntries) {
trie.put(newEntry.asStringId(), newEntry);
}
lastAdded.clear();
lastAdded.addAll(newEntries); // should probably be more thorough
saveEntries();
EventBus.publish(Event.REPLACEMENT);
}
/**
* Adds a single {@link AddeEntry} to {@link #trie}.
*
* @param entry Entry to add. Cannot be {@code null}.
* @throws NullPointerException if {@code entry} is {@code null}.
*/
public void addEntry(final AddeEntry entry) {
notNull(entry, "Cannot add a null entry");
trie.put(entry.asStringId(), entry);
saveEntries();
lastAdded.clear();
lastAdded.add(entry);
EventBus.publish(Event.ADDITION);
}
/**
* Removes a single {@link AddeEntry} from the set of available entries.
*
* @param entry Entry to remove. Cannot be {@code null}.
* @return {@code true} if something was removed, {@code false} otherwise.
*/
public boolean removeEntry(final AddeEntry entry) {
notNull(entry);
boolean val = trie.remove(entry.asStringId()) != null;
logger.trace("attempted remove={} status={}", entry, val);
Event evt = val ? Event.REMOVAL : Event.FAILURE;
saveEntries();
EventBus.publish(evt);
return val;
}
/**
* Adds {@link AddeEntry} objects to a given {@link PatriciaTrie}.
*
* @param trie Cannot be {@code null}.
* @param newEntries Cannot be {@code null}.
*/
private static void putEntries(
final PatriciaTrie<String, AddeEntry> trie,
final Collection<? extends AddeEntry> newEntries) {
notNull(trie);
notNull(newEntries);
for (AddeEntry e : newEntries) {
trie.put(e.asStringId(), e);
}
}
/**
* Adds a {@link Set} of {@link AddeEntry}s to {@link #trie}.
*
* @param newEntries New entries to add to the server manager. Cannot be {@code null}.
* @throws NullPointerException if {@code newEntries} is {@code null}.
*/
public void addEntries(final Collection<? extends AddeEntry> newEntries) {
notNull(newEntries, "Cannot add a null set");
for (AddeEntry newEntry : newEntries) {
trie.put(newEntry.asStringId(), newEntry);
}
saveEntries();
lastAdded.clear();
lastAdded.addAll(newEntries);
EventBus.publish(Event.ADDITION);
}
public boolean removeEntries(final Collection<? extends AddeEntry> removedEntries) {
notNull(removedEntries);
boolean val = true;
boolean tmpVal = true;
for (AddeEntry entry : removedEntries) {
if (entry.getEntrySource() != EntrySource.SYSTEM) {
tmpVal = trie.remove(entry.asStringId()) != null;
logger.trace("attempted bulk remove={} status={}", entry, tmpVal);
if (!tmpVal) {
val = tmpVal;
}
}
}
Event evt = (val) ? Event.REMOVAL : Event.FAILURE;
saveEntries();
EventBus.publish(evt);
return val;
}