private void endThread() {
if (softRefReleaseThread != null) {
softRefReleaseThread.requestEnd = true;
softRefReleaseThread.interrupt();
softRefReleaseThread = null;
}
}
private void startThread() {
if (softRefReleaseThread != null) {
throw new IllegalStateException(
Messages.getString("vfs.impl/SoftRefReleaseThread-already-running.warn"));
}
softRefReleaseThread = new SoftRefReleaseThread();
softRefReleaseThread.start();
}