protected State createNewState(State parent, char letter) {
String newStateName = ((parent.getName().equals("'root'")) ? "" : parent.getName()) + letter;
State newState;
try {
newState = addNewState(newStateName);
} catch (StateException e) {
return getTransition(parent, letter);
}
addTransition(parent, letter, newState);
if (parent.equals(root)) {
fallbacks.put(newState, root);
} else {
State state = parent, stateForLetter = null;
do {
state = fallbacks.get(state);
stateForLetter = getTransition(state, letter);
} while (stateForLetter == null && !root.equals(state));
if (stateForLetter != null) {
fallbacks.put(newState, stateForLetter);
if (isAccepting(stateForLetter)) {
setAccepting(newState);
}
} else {
fallbacks.put(newState, root);
}
}
return newState;
}
@Override
public String toString() {
if (state.equals(State.STOPED)) return name + ": " + getElapsedTime();
if (state.equals(State.STARTED)) return name + ": " + getElapsedTime() + " (still running)";
if (state.equals(State.ZERO)) return name + " is not started yet";
return "";
};
@Override
public void close() {
Preconditions.checkState(
Thread.currentThread().getId() == initialThreadId,
"close() called from different thread than getTransaction()!");
Preconditions.checkState(
state.equals(State.NEW) || state.equals(State.COMPLETED),
"close() called when transaction is %s" + " - you must either commit or rollback first",
state);
state = State.CLOSED;
doClose();
}
/** {@inheritDoc} */
@Override
public boolean setRecording(String from, String token, State doRecord, String path) {
if (!StringUtils.isNullOrEmpty(this.token) && !this.token.equals(token)) {
return false;
}
if (!isRecording() && doRecord.equals(State.ON)) {
// Send start recording IQ
JireconIq recording = new JireconIq();
recording.setTo(recorderComponentJid);
recording.setType(IQ.Type.SET);
recording.setFrom(from);
recording.setMucJid(mucRoomJid);
recording.setAction(JireconIq.Action.START);
recording.setOutput(path);
Packet reply = xmpp.getXmppConnection().sendPacketAndGetReply(recording);
if (reply instanceof JireconIq) {
JireconIq recResponse = (JireconIq) reply;
if (JireconIq.Status.INITIATING.equals(recResponse.getStatus())) {
recordingId = recResponse.getRid();
logger.info("Received recording ID: " + recordingId);
status = JireconIq.Status.INITIATING;
} else {
logger.error("Unexpected status received: " + recResponse.toXML());
}
} else {
logger.error("Unexpected response: " + IQUtils.responseToXML(reply));
}
} else if (isRecording() && doRecord.equals(State.OFF)) {
// Send stop recording IQ
JireconIq recording = new JireconIq();
recording.setTo(recorderComponentJid);
recording.setType(IQ.Type.SET);
recording.setFrom(from);
recording.setRid(recordingId);
recording.setMucJid(mucRoomJid);
recording.setAction(JireconIq.Action.STOP);
xmpp.getXmppConnection().sendPacket(recording);
status = JireconIq.Status.STOPPING;
}
return true;
}
/**
* Builds a Trellis over a sentence, by starting at the state State, and advancing through all
* legal extensions of each state already in the trellis. You should not have to modify this
* code (or even read it, really).
*/
private Trellis<State> buildTrellis(List<String> sentence) {
Trellis<State> trellis = new Trellis<State>();
trellis.setStartState(State.getStartState());
State stopState = State.getStopState(sentence.size() + 2);
trellis.setStopState(stopState);
Set<State> states = Collections.singleton(State.getStartState());
for (int position = 0; position <= sentence.size() + 1; position++) {
Set<State> nextStates = new HashSet<State>();
for (State state : states) {
if (state.equals(stopState)) continue;
LocalTrigramContext localTrigramContext =
new LocalTrigramContext(
sentence, position, state.getPreviousPreviousTag(), state.getPreviousTag());
Counter<String> tagScores = localTrigramScorer.getLogScoreCounter(localTrigramContext);
for (String tag : tagScores.keySet()) {
double score = tagScores.getCount(tag);
State nextState = state.getNextState(tag);
trellis.setTransitionCount(state, nextState, score);
nextStates.add(nextState);
}
}
// System.out.println("States: "+nextStates);
states = nextStates;
}
return trellis;
}
public long getElapsedTime() {
if (state.equals(State.ZERO))
throw new RuntimeException(
"Invalid call when the time has never been started or has been reseted whitout beaing started again.");
if (end == NOT_INITIALISED_LONG) return getCurrentTime() - start;
return end - start;
}
/** Wait until given service has entered specific state. */
public static void waitForState(String service, State state, long timeoutMillis)
throws TimeoutException {
final long endMillis = SystemClock.elapsedRealtime() + timeoutMillis;
while (true) {
synchronized (sPropertyLock) {
final State currentState = getState(service);
if (state.equals(currentState)) {
return;
}
if (SystemClock.elapsedRealtime() >= endMillis) {
throw new TimeoutException(
"Service "
+ service
+ " currently "
+ currentState
+ "; waited "
+ timeoutMillis
+ "ms for "
+ state);
}
try {
sPropertyLock.wait(timeoutMillis);
} catch (InterruptedException e) {
}
}
}
}
@Override
public double getActivityEndTime() {
if (isArriving && agentState.equals(MobsimAgent.State.ACTIVITY)) {
return Double.POSITIVE_INFINITY;
}
return this.actEndTime;
}
@Override
public boolean equals(Object obj) {
if (obj instanceof Transition)
return labelIn.equals(((Transition) obj).labelIn)
&& labelOut.equals(((Transition) obj).labelOut)
&& to.equals(((Transition) obj).to);
else return false;
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (!(obj instanceof View)) {
return false;
}
View other = (View) obj;
return state.equals(other.state) && expired == other.expired;
}
/** {@inheritDoc} */
@Override
public void channelContentChanged() {
synchronized (getTreeLock()) {
State state = new State();
EcoIdentity entity;
EcoIdentity previousEcoEntity;
for (CubeEcoChannel channel : this.channels) {
if (channel.getAgentType() == AgentType.CUBE) {
entity = channel.getEcoEntity();
assert (entity != null);
state.ecoStates.put(entity, channel.getEcoState());
for (EcoRelation relation : channel.getAcquaintances()) {
if (relation instanceof DownwardRelation) {
DownwardRelation dr = (DownwardRelation) relation;
if (dr.getMaster().equals(entity)) {
if (this.planeEntity.equals(dr.getSlave())) {
// on ground
if (!state.onGround.add(entity)) {
state.isInconsistent = true;
}
} else {
// on other
previousEcoEntity = state.map.put(dr.getSlave(), entity);
if (previousEcoEntity != null && !entity.equals(previousEcoEntity)) {
state.isInconsistent = true;
}
}
}
}
}
state.isInitialization =
state.isInitialization || channel.getEcoState().isInitializationState();
}
}
if (!state.onGround.isEmpty()) {
State lastState = getLastState();
if (lastState == null || !lastState.equals(state)) {
this.worldStates.add(state);
int oldIndex = this.currentStateIndex;
if (this.currentStateIndex < 0) {
this.currentStateIndex = 0;
} else if (this.currentStateIndex >= this.worldStates.size()) {
this.currentStateIndex = this.worldStates.size() - 1;
}
updateUIComponents();
if (this.currentStateIndex != oldIndex) repaint();
}
}
}
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof User)) return false;
User user = (User) o;
if (name != null ? !name.equals(user.name) : user.name != null) return false;
if (role != null ? !role.equals(user.role) : user.role != null) return false;
if (state != null ? !state.equals(user.state) : user.state != null) return false;
return true;
}
protected void completeAutomaton() {
for (State state : getStates()) {
for (Character letter : usedAlphabet()) {
if (getTransition(state, letter) == null) {
if (state.equals(root)) {
addTransition(state, letter, root);
} else {
addTransition(state, letter, getTransition(fallbacks.get(state), letter));
}
}
}
}
}
/** The method to which {@link BasicChannelSemantics} delegates calls to <code>take</code>. */
protected Event take() {
Preconditions.checkState(
Thread.currentThread().getId() == initialThreadId,
"take() called from different thread than getTransaction()!");
Preconditions.checkState(
state.equals(State.OPEN), "take() called when transaction is %s!", state);
try {
return doTake();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
return null;
}
}
/** The method to which {@link BasicChannelSemantics} delegates calls to <code>put</code>. */
protected void put(Event event) {
Preconditions.checkState(
Thread.currentThread().getId() == initialThreadId,
"put() called from different thread than getTransaction()!");
Preconditions.checkState(
state.equals(State.OPEN), "put() called when transaction is %s!", state);
Preconditions.checkArgument(event != null, "put() called with null event!");
try {
doPut(event);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new ChannelException(e.toString(), e);
}
}
@Override
public boolean equals(Object o) {
if (o == this) {
return true;
}
if (!(o instanceof Device)) {
return false;
}
Device d = (Device) o;
return mName.equals(d.getName())
&& mManufacturer.equals(d.getManufacturer())
&& mSoftware.equals(d.getAllSoftware())
&& mState.equals(d.getAllStates())
&& mMeta.equals(d.getMeta())
&& mDefaultState.equals(d.getDefaultState());
}
@Override
public void rollback() {
Preconditions.checkState(
Thread.currentThread().getId() == initialThreadId,
"rollback() called from different thread than getTransaction()!");
Preconditions.checkState(
state.equals(State.OPEN), "rollback() called when transaction is %s!", state);
state = State.COMPLETED;
try {
doRollback();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new ChannelException(e.toString(), e);
}
}
@Override
public void begin() {
Preconditions.checkState(
Thread.currentThread().getId() == initialThreadId,
"begin() called from different thread than getTransaction()!");
Preconditions.checkState(
state.equals(State.NEW), "begin() called when transaction is " + state + "!");
try {
doBegin();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new ChannelException(e.toString(), e);
}
state = State.OPEN;
}
@Nullable
private State checkAndAdvanceState(
MethodInvocationTree mit, State requiredState, State nextState) {
ExpressionTree methodSelect = mit.methodSelect();
if (methodSelect.is(Tree.Kind.MEMBER_SELECT)) {
ExpressionTree expressionTree = ((MemberSelectExpressionTree) methodSelect).expression();
if (expressionTree.is(Tree.Kind.IDENTIFIER)) {
Symbol symbol = ((IdentifierTree) expressionTree).symbol();
Map<Symbol, State> symbolStateMap = symbolStack.peek();
if (symbolStateMap != null
&& symbolStateMap.containsKey(symbol)
&& requiredState.equals(symbolStateMap.get(symbol))) {
symbolStateMap.put(symbol, nextState);
return nextState;
}
}
}
return null;
}
public void drawPlayer(Batch batch) {
if (spriteState.equals(State.Walking)) {
stateTime += Gdx.graphics.getDeltaTime();
switch (spriteDirection) {
case n:
currentFrame = Assets.instance.player.getNorthAnimation().getKeyFrame(stateTime, true);
break;
case s:
currentFrame = Assets.instance.player.getSouthAnimation().getKeyFrame(stateTime, true);
break;
case w:
currentFrame = Assets.instance.player.getWestAnimation().getKeyFrame(stateTime, true);
break;
case e:
currentFrame = Assets.instance.player.getEastAnimation().getKeyFrame(stateTime, true);
break;
default:
break;
}
} else {
switch (spriteDirection) {
case n:
currentFrame = Assets.instance.player.getNorthAnimation().getKeyFrame(0);
break;
case s:
currentFrame = Assets.instance.player.getSouthAnimation().getKeyFrame(0);
break;
case w:
currentFrame = Assets.instance.player.getWestAnimation().getKeyFrame(0);
break;
case e:
currentFrame = Assets.instance.player.getEastAnimation().getKeyFrame(0);
break;
default:
break;
}
}
sprite.setRegion(currentFrame);
batch.begin();
sprite.draw(batch);
batch.end();
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
Field<?> other = (Field<?>) obj;
if (remarks == null) {
if (other.remarks != null) return false;
} else if (!remarks.equals(other.remarks)) return false;
if (state == null) {
if (other.state != null) return false;
} else if (!state.equals(other.state)) return false;
if (symbol == null) {
if (other.symbol != null) return false;
} else if (!symbol.equals(other.symbol)) return false;
if (value == null) {
if (other.value != null) return false;
} else if (!value.equals(other.value)) return false;
if (valueType == null) {
if (other.valueType != null) return false;
} else if (!valueType.equals(other.valueType)) return false;
return true;
}
private boolean isFinalStates(State s, List<State> finalStates) {
for (State state : finalStates) {
if (state.equals(s)) return true;
}
return false;
}
public static boolean inEndState() {
for (State s : endStates) if (s.equals(current)) return true;
return false;
}
private void setInternalStates() {
if (writeOnFirstStateEntry) {
// First time after service is started
writeOnFirstStateEntry = false;
// Make sure a item is written to cache
stateChange = true;
resolved = false;
notify = false;
} else if (previousFSM.equals(State.OKAY_HARD) && fsm.equals(State.PROBLEM_SOFT)) {
resolved = false;
notify = false;
stateChange = true;
} else if (previousFSM.equals(State.PROBLEM_SOFT) && fsm.equals(State.PROBLEM_HARD)) {
// This means its a new incident
nextIncidentId();
// new incident and not resolved
resolved = false;
notify = true;
stateChange = true;
} else if (previousFSM.equals(State.PROBLEM_SOFT) && fsm.equals(State.OKAY_HARD)) {
resolved = true;
notify = false;
stateChange = true;
} else if (previousFSM.equals(State.PROBLEM_HARD) && fsm.equals(State.OKAY_HARD)) {
resolved = true;
notify = true;
stateChange = true;
} else if (previousFSM.equals(State.OKAY_HARD) && fsm.equals(State.OKAY_HARD)) {
resolved = true;
notify = false;
stateChange = false;
} else if (previousFSM.equals(State.PROBLEM_HARD) && fsm.equals(State.PROBLEM_HARD)) {
if ((getState() == NAGIOSSTAT.CRITICAL && previousState == NAGIOSSTAT.WARNING)
|| (getState() == NAGIOSSTAT.CRITICAL && previousState == NAGIOSSTAT.UNKNOWN)
|| (getState() == NAGIOSSTAT.WARNING && previousState == NAGIOSSTAT.CRITICAL)
|| (getState() == NAGIOSSTAT.WARNING && previousState == NAGIOSSTAT.UNKNOWN)
|| (getState() == NAGIOSSTAT.UNKNOWN && previousState == NAGIOSSTAT.WARNING)
|| (getState() == NAGIOSSTAT.UNKNOWN && previousState == NAGIOSSTAT.CRITICAL)) {
// This means its an update on existing incident
resolved = false;
notify = true;
stateChange = true;
} else if ((getState() == NAGIOSSTAT.CRITICAL && previousState == NAGIOSSTAT.CRITICAL)
|| (getState() == NAGIOSSTAT.WARNING && previousState == NAGIOSSTAT.WARNING)
|| (getState() == NAGIOSSTAT.UNKNOWN && previousState == NAGIOSSTAT.UNKNOWN)) {
resolved = false;
notify = false;
stateChange = false;
}
} else if (isSoftState() && isSoftCountInc()) {
resolved = false;
notify = false;
stateChange = true;
}
}
public boolean isState(State s) {
return state.equals(s);
}
/**
* Check that table in given states
*
* @param states state list
* @return true if satisfies
*/
public boolean inStates(State... states) {
for (State s : states) {
if (s.equals(this.state)) return true;
}
return false;
}
/**
* Static version of state checker
*
* @param state desired
* @param target equals to any of
* @return true if satisfies
*/
public static boolean isInStates(State state, State... target) {
for (State tableState : target) {
if (state.equals(tableState)) return true;
}
return false;
}
/**
* Ensures the requested amount of resources are going to be available in the foreseeable future
* on this physical machine.
*
* @param requested The amount of resources needed by the caller
* @return With a time limited offer on the requested resources. If the requested
* resourceconstraints cannot be met by the function then it returns with the maximum amount
* of resources it can serve. If there are no available resources it returns with <i>null</i>!
* If the requested resources are available then the original requested resourceconstraints
* object is stored in the returned resource allocation. If the resourceconstraints only
* specified a minimum resource limit, then a new resourceconstraints object is returned with
* details of the maximum possible resource constraints that can fit into the machine.
*/
public ResourceAllocation allocateResources(
final ResourceConstraints requested, final boolean strict, final int allocationValidityLength)
throws VMManagementException {
if (!currentState.equals(State.RUNNING)) {
throw new VMManagementException("The PM is not running and thus cannot offer resources yet");
}
// Basic tests for resource availability for the host
if (internalReallyFreeCaps.getRequiredCPUs() == 0
|| internalReallyFreeCaps.getRequiredMemory() == 0
|| requested.getRequiredProcessingPower()
> internalReallyFreeCaps.getRequiredProcessingPower()) {
return null;
}
// Allocation type test (i.e. do we allow underprovisioning?)
for (int i = 0; i < promisedResources.length; i++) {
ResourceAllocation olderAllocation = promisedResources[i];
if (olderAllocation != null) {
if (olderAllocation.allocated.isRequiredProcessingIsMinimum()
== requested.isRequiredProcessingIsMinimum()) {
break;
} else {
return null;
}
}
}
// Promised resources for the virtual machine
double vmCPU = requested.getRequiredCPUs();
long vmMem = requested.getRequiredMemory();
final double vmPrPow =
requested.isRequiredProcessingIsMinimum()
? totalCapacities.getRequiredProcessingPower()
: requested.getRequiredProcessingPower();
// Actually allocated resources (memory is equivalent in both cases)
final double allocPrPow = totalCapacities.getRequiredProcessingPower();
final double allocCPU = vmCPU * requested.getRequiredProcessingPower() / allocPrPow;
if (0 <= internalReallyFreeCaps.getRequiredCPUs() - allocCPU) {
if (0 <= internalReallyFreeCaps.getRequiredMemory() - requested.getRequiredMemory()) {
return new ResourceAllocation(
new ConstantConstraints(allocCPU, allocPrPow, vmMem),
requested.isRequiredProcessingIsMinimum()
? new ConstantConstraints(vmCPU, vmPrPow, true, vmMem)
: requested,
allocationValidityLength);
} else {
vmMem = internalReallyFreeCaps.getRequiredMemory();
}
} else if (0 <= internalReallyFreeCaps.getRequiredMemory() - requested.getRequiredMemory()) {
vmCPU = internalReallyFreeCaps.getRequiredCPUs();
} else {
vmCPU = internalReallyFreeCaps.getRequiredCPUs();
vmMem = internalReallyFreeCaps.getRequiredMemory();
}
if (strict) {
return null;
} else {
final ResourceConstraints updatedConstraints =
new ConstantConstraints(vmCPU, vmPrPow, requested.isRequiredProcessingIsMinimum(), vmMem);
return new ResourceAllocation(
updatedConstraints, updatedConstraints, allocationValidityLength);
}
}
/**
* Determines if the machine can be used for VM instantiation.
*
* @return
* <ul>
* <li>true if the machine is ready to accept VM requests
* <li>false otherwise
* </ul>
*/
public boolean isRunning() {
return currentState.equals(State.RUNNING);
}
public void work() {
if (!state.equals(State.IDLE)) {
throw new IllegalStateException(
"Can not call work while worker " + "is running or shutting down");
}
state = State.RUNNING;
// a map keeping track of sessions with connection errors
// (to avoid printing an error about them in every reconnect attempt)
Map<GearmanJobServerSession, Boolean> havingConnectionError =
new HashMap<GearmanJobServerSession, Boolean>();
while (isRunning()) {
// look for sessions which have been disconnected and attempt to reconnect.
for (Iterator<GearmanJobServerSession> iter = sessionMap.values().iterator();
iter.hasNext(); ) {
GearmanJobServerSession sess = iter.next();
if (!sess.isInitialized()) {
try {
// reconnect, unregister old selection key and register new one
SelectionKey oldKey = sess.isInitialized() ? sess.getSelectionKey() : null;
sess.initSession(ioAvailable, this);
if (oldKey != null) {
iter.remove();
}
sessionMap.put(sess.getSelectionKey(), sess);
// register all functions with the newly reconnected server
for (FunctionDefinition d : functionMap.values()) {
GearmanTask gsr = new GearmanTask(null, generateCanDoPacket(d));
sess.submitTask(gsr);
}
GearmanPacket p =
new GearmanPacketImpl(
GearmanPacketMagic.REQ,
GearmanPacketType.SET_CLIENT_ID,
ByteUtils.toUTF8Bytes(id));
sess.submitTask(new GearmanTask(p));
GearmanTask sessTask =
new GearmanTask(
new GrabJobEventHandler(sess),
new GearmanPacketImpl(
GearmanPacketMagic.REQ, getGrabJobPacketType(), new byte[0]));
sess.submitTask(sessTask);
sess.driveSessionIO();
// log reconnection message
if (havingConnectionError.get(sess)) {
LOG.info("Re-established connection to " + sess.getConnection().toString());
}
havingConnectionError.put(sess, false);
} catch (IOException e) {
if (!havingConnectionError.get(sess)) {
LOG.warn("Error connecting to " + sess + ", will keep trying..");
}
havingConnectionError.put(sess, true);
try {
Thread.sleep(50);
} catch (InterruptedException e1) {
}
}
} else {
havingConnectionError.put(sess, false);
}
}
for (GearmanJobServerSession sess : sessionMap.values()) {
// if still disconnected, skip
if (!sess.isInitialized()) {
continue;
}
int interestOps = SelectionKey.OP_READ;
if (sess.sessionHasDataToWrite()) {
interestOps |= SelectionKey.OP_WRITE;
}
sess.getSelectionKey().interestOps(interestOps);
}
try {
ioAvailable.select(1);
} catch (IOException io) {
LOG.warn("Receieved IOException while" + " selecting for IO", io);
}
for (SelectionKey key : ioAvailable.selectedKeys()) {
GearmanJobServerSession sess = sessionMap.get(key);
if (sess == null) {
LOG.warn("Worker does not have " + "session for key " + key);
continue;
}
if (!sess.isInitialized()) {
continue;
}
try {
GearmanTask sessTask = taskMap.get(sess);
if (sessTask == null) {
sessTask =
new GearmanTask( // NOPMD
new GrabJobEventHandler(sess),
new GearmanPacketImpl(
GearmanPacketMagic.REQ, getGrabJobPacketType(), new byte[0]));
taskMap.put(sess, sessTask);
sess.submitTask(sessTask);
LOG.debug(
"Worker: "
+ this
+ " submitted a "
+ sessTask.getRequestPacket().getPacketType()
+ " to session: "
+ sess);
}
sess.driveSessionIO();
// For the time being we will execute the jobs synchronously
// in the future, I expect to change this.
if (!functionList.isEmpty()) {
GearmanFunction fun = functionList.remove();
submitFunction(fun);
statistics();
}
} catch (IOException ioe) {
LOG.warn("Received IOException while driving" + " IO on session " + sess, ioe);
sess.closeSession();
continue;
}
}
}
shutDownWorker(true);
}
