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authorKjetil Ørbekk <kjetil.orbekk@gmail.com>2012-01-13 10:18:02 +0100
committerKjetil Ørbekk <kjetil.orbekk@gmail.com>2012-01-13 10:18:02 +0100
commitba7132f3ce5629cff2cc4857fff7bd672511bee8 (patch)
treedc6f7d1adafb8351004f2de6f3f775ebfe596fc7 /jsonrpc/src/main/java/com/orbekk/same/SameState.java
parent85a93de08694f25bd049c5236f11f06b8d8e4ff7 (diff)
Rename projects.
– jsonrpc → same – master → same-android
Diffstat (limited to 'jsonrpc/src/main/java/com/orbekk/same/SameState.java')
-rw-r--r--jsonrpc/src/main/java/com/orbekk/same/SameState.java233
1 files changed, 0 insertions, 233 deletions
diff --git a/jsonrpc/src/main/java/com/orbekk/same/SameState.java b/jsonrpc/src/main/java/com/orbekk/same/SameState.java
deleted file mode 100644
index c9cd216..0000000
--- a/jsonrpc/src/main/java/com/orbekk/same/SameState.java
+++ /dev/null
@@ -1,233 +0,0 @@
-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));
- }
- }
- }
-}