public void addAttachment(int slotIndex, String name, Attachment attachment) {
if (attachment == null) throw new IllegalArgumentException("attachment cannot be null.");
if (slotIndex < 0) throw new IllegalArgumentException("slotIndex must be >= 0.");
Key key = new Key();
key.set(slotIndex, name);
attachments.put(key, attachment);
}
Key getForPut(final String string) {
final Key key = new Key();
key.set(string);
return key;
}
Key getForLookup(final String string) {
final Key key = keyForThread.get();
key.set(string);
return key;
}
public static void setAlternativeSource(VirtualFile source, VirtualFile dest) {
ALTERNATIVE_SOURCE_KEY.set(source, dest);
ALTERNATIVE_SOURCE_KEY.set(dest, null);
}
/** @return May be null. */
public Attachment getAttachment(int slotIndex, String name) {
if (slotIndex < 0) throw new IllegalArgumentException("slotIndex must be >= 0.");
lookup.set(slotIndex, name);
return attachments.get(lookup);
}