public void setItemVector(String item, float[] vector) {
Preconditions.checkNotNull(vector);
Preconditions.checkArgument(vector.length == features);
Lock lock = yLock.writeLock();
lock.lock();
try {
Y.put(item, vector);
} finally {
lock.unlock();
}
}
public void setUserVector(String user, float[] vector) {
Preconditions.checkNotNull(vector);
Preconditions.checkArgument(vector.length == features);
Lock lock = xLock.writeLock();
lock.lock();
try {
X.put(user, vector);
} finally {
lock.unlock();
}
}