public synchronized ChannelHolder rentConnection() {
Collection<ChannelHolder> values = freeDataChannels.values();
if (values.isEmpty()) {
return null;
}
ChannelHolder theOne = values.iterator().next();
freeDataChannels.remove(theOne.getConnectionId());
return theOne;
}
public synchronized boolean recycleConnection(String connectionID) {
ChannelHolder c = getConnectionByID(connectionID);
if (c == null) {
return false;
}
c.setPipedChannel(null);
freeDataChannels.put(connectionID, c);
return true;
}
public synchronized boolean notifyConnectionInUse(ChannelHolder connection) {
return freeDataChannels.remove(connection.getConnectionId()) != null;
}
public void addDataConnection(ChannelHolder channelHolder) {
String connectionId = channelHolder.getConnectionId();
allDataChannels.put(connectionId, channelHolder);
freeDataChannels.put(connectionId, channelHolder);
}