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Diffstat (limited to 'same/old/SameState.java')
| -rw-r--r-- | same/old/SameState.java | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/same/old/SameState.java b/same/old/SameState.java new file mode 100644 index 0000000..369c5d7 --- /dev/null +++ b/same/old/SameState.java @@ -0,0 +1,233 @@ +// package com.orbekk.same; +// +// import java.util.List; +// import java.util.LinkedList; +// import java.util.Map; +// import java.util.HashMap; +// import org.slf4j.Logger; +// import org.slf4j.LoggerFactory; +// +// /** +// * The implementation of a 'Same' state. +// * +// * This class manages the current state of the Same protocol. +// */ +// public class SameState extends Thread implements UrlReceiver { +// private Logger logger = LoggerFactory.getLogger(getClass()); +// private ConnectionManager connections; +// +// // TODO: Change the name of State. +// private com.orbekk.same.State state = +// new com.orbekk.same.State(); +// +// /** +// * The client id of this participant. +// */ +// private String clientId; +// +// /** +// * Stopping condition for this thread. +// */ +// private boolean stopped = false; +// +// private String _setState = null; +// private Map<String, String> _setParticipants = null; +// +// private Map<String, String> pendingParticipants = +// new HashMap<String, String>(); +// +// public SameState(String networkName, String clientId, +// ConnectionManager connections) { +// state.setNetworkName(networkName); +// this.clientId = clientId; +// this.connections = connections; +// state.setMasterId(clientId); +// state.getParticipants().put(clientId, null); +// } +// +// public String getMasterId() { +// return state.getMasterId(); +// } +// +// public synchronized Map<String, String> getParticipants() { +// return state.getParticipants(); +// } +// +// /** +// * Reset this SameService to an initial state. +// * +// * TODO: Implement fully. +// */ +// private synchronized void resetState() { +// state = new com.orbekk.same.State(); +// pendingParticipants.clear(); +// } +// +// public synchronized void joinNetwork(String networkName, String masterId) { +// resetState(); +// state.setNetworkName(networkName); +// state.setMasterId(masterId); +// logger.info("Joined network {}.", networkName); +// } +// +// public String getClientId() { +// return clientId; +// } +// +// public String getNetworkName() { +// return state.getNetworkName(); +// } +// +// public String getCurrentState() { +// return state.getData(); +// } +// +// /** +// * TODO: Move to a separate library. +// */ +// public void librarySetNewState(String newState) { +// connections.getConnection( +// state.getParticipants().get(state.getMasterId())) +// .setState(newState); +// } +// +// public String getUrl() { +// return state.getParticipants().get(clientId); +// } +// +// @Override +// public void setUrl(String url) { +// logger.info("My URL is {}", url); +// state.getParticipants().put(clientId, url); +// } +// +// public synchronized void addParticipant(String clientId, String url) { +// logger.info("PendingParticipant.add: {} ({})", clientId, url); +// pendingParticipants.put(clientId, url); +// notifyAll(); +// } +// +// public synchronized void setParticipants(Map<String, String> participants) { +// logger.info("Pending operation: _setParticipants"); +// _setParticipants = participants; +// notifyAll(); +// } +// +// public synchronized void setState(String newState) { +// logger.info("Pending operation: _setState"); +// _setState = newState; +// notifyAll(); +// } +// +// private synchronized void handleSetParticipants() { +// if (_setParticipants != null) { +// if (isMaster()) { +// logger.error("{}: Master received setParticipants.", clientId); +// } else { +// logger.info("{}: New participants committed.", clientId); +// state.getParticipants().clear(); +// state.getParticipants().putAll(_setParticipants); +// } +// } +// _setParticipants = null; +// } +// +// public synchronized void handleSetState() { +// if (_setState != null) { +// if (isMaster()) { +// broadcast(new ServiceOperation() { +// @Override void run(SameService service) { +// service.setState(_setState); +// } +// }); +// } +// state.setData(_setState); +// _setState = null; +// } +// } +// +// private boolean isMaster() { +// return state.getMasterId().equals(clientId); +// } +// +// private synchronized void handleNewParticipants() { +// if (!isMaster()) { +// for (Map.Entry<String, String> e : pendingParticipants.entrySet()) { +// SameService master = connections.getConnection( +// state.getParticipants().get(state.getMasterId())); +// logger.info("Redirecting participant request to {}", +// state.getMasterId()); +// String clientId = e.getKey(); +// String url = e.getValue(); +// master.participateNetwork(state.getNetworkName(), clientId, +// url); +// } +// } else { +// state.getParticipants().putAll(pendingParticipants); +// for (Map.Entry<String, String> e : +// pendingParticipants.entrySet()) { +// String clientId = e.getKey(); +// String url = e.getValue(); +// logger.info("New participant: {} URL({})", clientId, url); +// SameService remoteService = connections.getConnection(url); +// remoteService.notifyParticipation(state.getNetworkName(), +// state.getMasterId()); +// broadcast(new ServiceOperation(){ +// @Override void run(SameService service) { +// service.setParticipants(state.getParticipants()); +// } +// }); +// } +// } +// pendingParticipants.clear(); +// } +// +// /** +// * This method runs the pending commands to SameState. +// * +// * It should be called by the worker thread, but can be called directly +// * for testing purposes to avoid threading in unit tests. +// */ +// synchronized void internalRun() { +// handleNewParticipants(); +// handleSetState(); +// handleSetParticipants(); +// } +// +// public synchronized void run() { +// while (!stopped) { +// internalRun(); +// try { +// wait(1000); +// } catch (InterruptedException e) { +// // Ignore interrupt in wait loop. +// } +// } +// } +// +// public synchronized void stopSame() { +// try { +// stopped = true; +// notifyAll(); +// this.join(); +// } catch (InterruptedException e) { +// logger.warn("Got InterruptedException while waiting for SameState " + +// "to finish. Ignoring."); +// } +// } +// +// public abstract static class ServiceOperation { +// abstract void run(SameService service); +// } +// +// public synchronized void broadcast(ServiceOperation operation) { +// for (Map.Entry<String, String> e : +// state.getParticipants().entrySet()) { +// String clientId = e.getKey(); +// String url = e.getValue(); +// if (!clientId.equals(this.clientId)) { +// operation.run(connections.getConnection(url)); +// } +// } +// } +// } |