org.smartfrog.examples.pong
Class GameArenaWrapper

java.lang.Object
  org.smartfrog.sfcore.reference.RemoteReferenceResolverHelperImpl
      org.smartfrog.sfcore.prim.PrimImpl
          org.smartfrog.sfcore.workflow.eventbus.EventPrimImpl
              org.smartfrog.examples.pong.GameArenaWrapper

All Implemented Interfaces:

java.rmi.Remote, MessageKeys, Diagnostics, Liveness, Prim, RemoteReferenceResolver, RemoteReferenceResolverHelper, EventBus, EventRegistration, EventSink

public class GameArenaWrapper
extends EventPrimImpl
implements Prim

A wrapper to turn the sfPong game into a SmartFrog component. Creates a Frame and gets a handle on the opponent if there is one.

Field Summary

protected org.smartfrog.examples.pong.Linker

opponent The opponent.

Fields inherited from class org.smartfrog.sfcore.prim.PrimImpl

refLivenessDelay, refLivenessFactor, sfCompleteName, sfContext, sfDeployHooks, sfDeployWithHooks, sfExportRef, sfIsDeployed, sfIsStarted, sfIsTerminated, sfIsTerminating, sfLivenessCount, sfLivenessDelay, sfLivenessFactor, sfLivenessSender, sfParent, sfStartHooks, sfTerminateWithHooks, termLock

Fields inherited from interface org.smartfrog.sfcore.common.MessageKeys

CANNOT_LINK_TO_PREDICATE, COMPONENT_TERMINATED, COPY_FAILED, COPY_SERIALIZE_FAILED, ERROR_NO_SECURITY_BUT_REQUIRED, ILLEGAL_BOOLEAN_PARAMETER, ILLEGAL_NUMERIC_PARAMETER, ILLEGAL_STRING_PARAMETER, ILLEGAL_VECTOR_PARAMETER, LIVENESS_SEND_FAILURE, LIVENESS_SEND_FAILURE_IN, MISSING_PARAMETER, MSG_CLASS_NOT_FOUND, MSG_CONNECT_ERR, MSG_CONT_OTHER_DEPLOY, MSG_DEPLOY_COMP_TERMINATED, MSG_DEPLOY_SUCCESS, MSG_DEPLOYWITH_PHASE_FAILED, MSG_DETACH_SUCCESS, MSG_DETACH_TERMINATE_SUCCESS, MSG_ERR_DEPLOY_FROM_URL, MSG_ERR_PARSE, MSG_ERR_RESOLVE_PHASE, MSG_ERR_SF_RUNNING, MSG_ERR_TERM, MSG_FAILED_INET_ADDRESS_LOOKUP, MSG_FAILED_TO_CONTACT_PARENT, MSG_FILE_NOT_FOUND, MSG_HOOK_ACTION_FAILED, MSG_ILLEGAL_ACCESS, MSG_ILLEGAL_CLASS_TYPE, MSG_ILLEGAL_CLASS_TYPE_EXPECTING_GOT, MSG_ILLEGAL_REFERENCE, MSG_INPUTSTREAM_NULL, MSG_INSTANTIATION_ERROR, MSG_INVALID_OBJECT_TYPE, MSG_INVOCATION_TARGET, MSG_LANG_NOT_FOUND, MSG_LIVENESS_START_FAILED, MSG_LOADING_URL, MSG_METHOD_NOT_FOUND, MSG_NON_REP_ATTRIB, MSG_NOT_COMPONENT_REFERENCE, MSG_NOT_FOUND_ATTRIBUTE, MSG_NOT_FOUND_REFERENCE, MSG_NOT_VALUE_REFERENCE, MSG_NULL_DEF_METHOD, MSG_NULL_URL, MSG_OBJECT_REGISTRATION_FAILED, MSG_PARENT_LOCATION_FAILED, MSG_PING_SUCCESS, MSG_RANDM_ERR, MSG_REMOTE_CONNECT_ERR, MSG_REPEATED_ATTRIBUTE, MSG_SF_DEAD, MSG_SF_READY, MSG_SF_TERMINATED, MSG_STACKTRACE_FOLLOWS, MSG_START_COMP_TERMINATED, MSG_TERMINATE_SUCCESS, MSG_UNHANDLED_EXCEPTION, MSG_UNKNOWN_HOST, MSG_UNRESOLVED_REFERENCE, MSG_UNRESOLVED_REFERENCE_IN, MSG_UPDATE_SUCCESS, MSG_URL_NOT_FOUND, MSG_URL_TO_PARSE_NOT_FOUND, MSG_WARNING_LIVENESS_ENABLED, MSG_WARNING_STACKTRACE_DISABLED, MSG_WARNING_STACKTRACE_ENABLED, ROOT_MUST_BE_COMPONENT, WARN_NO_SECURITY

Constructor Summary

GameArenaWrapper()
Standard constructor for SmartFrog components.

Method Summary

void	ballIsLeaving(Ball ball) Hide the ball on this host, then hand it over to the opponent.
void	handleEvent(java.lang.String event) Handle an incoming message.
void	incomingBall(double xPos, double yPos, double xSpeed, double ySpeed) Implementation of the linker interface : reset the ball position and invert the horizontal speed.
boolean	setOpponent(org.smartfrog.examples.pong.Linker opponent) Set the opponent of this player to be the Linker object provided if none already exists.
void	sfDeploy() Collect data from the description.
void	sfStart() Build a game frame and start the game.
void	sfTerminateWith(TerminationRecord tr) sfTerminate.

Methods inherited from class org.smartfrog.sfcore.workflow.eventbus.EventPrimImpl

deregister, event, handleEvent, register, sendEvent

Methods inherited from class org.smartfrog.sfcore.prim.PrimImpl

equals, hashCode, registerWithProcessCompound, sfAddAttribute, sfAttributeKeyFor, sfAttributes, sfCompleteName, sfCompleteNameSafe, sfContainsAttribute, sfContainsValue, sfContext, sfDeployedHost, sfDeployedProcessName, sfDeployWith, sfDetach, sfDetachAndTerminate, sfDiagnosticsReport, sfDumpState, sfExport, sfExportRef, sfExportRef, sfGetApplicationLog, sfGetCoreLog, sfGetLog, sfIsDeployed, sfIsRemote, sfIsStarted, sfIsTerminated, sfIsTerminating, sfLivenessFailure, sfLog, sfParent, sfParentageChanged, sfPing, sfRemoveAttribute, sfReplaceAttribute, sfResolve, sfResolve, sfResolveHere, sfResolveHere, sfResolveParent, sfSetLog, sfStartLivenessSender, sfStopLivenessSender, sfTerminate, sfTerminatedWith, sfTerminateQuietlyWith, sfValues, terminateComponent, terminateNotifying, toString

Methods inherited from class org.smartfrog.sfcore.reference.RemoteReferenceResolverHelperImpl

sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolveWithParser

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

opponent

protected org.smartfrog.examples.pong.Linker opponent

The opponent.

Constructor Detail

GameArenaWrapper

public GameArenaWrapper()
                 throws java.rmi.RemoteException

Standard constructor for SmartFrog components.

Throws:

java.rmi.RemoteException - In case of network/rmi error

Method Detail

sfDeploy

public void sfDeploy()
              throws SmartFrogException,
                     java.rmi.RemoteException

Collect data from the description. Overrides EventPrimImpl.sfDeploy.

Specified by:

sfDeploy in interface Prim

Overrides:

sfDeploy in class EventPrimImpl

Throws:

SmartFrogException - In case of error while deploying

java.rmi.RemoteException - In case of network/rmi error

sfStart

public void sfStart()
             throws SmartFrogException,
                    java.rmi.RemoteException

Build a game frame and start the game.

Specified by:

sfStart in interface Prim

Overrides:

sfStart in class PrimImpl

Throws:

SmartFrogException - In case of error while starting

java.rmi.RemoteException - In case of network/rmi error

sfTerminateWith

public void sfTerminateWith(TerminationRecord tr)

sfTerminate.

Overrides:

sfTerminateWith in class EventPrimImpl

Parameters:

tr - TerminationRecord object

incomingBall

public void incomingBall(double xPos,
                         double yPos,
                         double xSpeed,
                         double ySpeed)
                  throws java.lang.Exception

Implementation of the linker interface : reset the ball position and invert the horizontal speed.

Parameters:

xPos - Position in x axis

yPos - Position in y axis

xSpeed - Speed in x axis

ySpeed - Speed in y axis

Throws:

java.lang.Exception - error while setting position and speed

ballIsLeaving

public void ballIsLeaving(Ball ball)

Hide the ball on this host, then hand it over to the opponent.

Parameters:

ball - a Ball object

handleEvent

public void handleEvent(java.lang.String event)

Handle an incoming message. If the message received indicates that a new player has been located, set it as the opponent if : - it is a different component - and if it does not already have an opponent.

Parameters:

event - incoming message

setOpponent

public boolean setOpponent(org.smartfrog.examples.pong.Linker opponent)
                    throws java.rmi.RemoteException

Set the opponent of this player to be the Linker object provided if none already exists.

Parameters:

opponent - opponent

Returns:

true if the operation is successful (i.e if the opponent was not already set)

Throws:

java.rmi.RemoteException - in case of network/rmi error