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Java Source Code / Java Documentation » IDE » DrJava » edu.rice.cs.drjava.model.repl.newjvm   Source Cross Reference   Class Diagram   Java Document (Java Doc)   edu.rice.cs.util.newjvm.AbstractMasterJVM    edu.rice.cs.drjava.model.repl.newjvm.MainJVM MainJVM public class MainJVM extends AbstractMasterJVM implements MainJVMRemoteI(Code) Manages a remote JVM. version:    $Id: MainJVM.java 4255 2007-08-28 19:17:37Z mgricken $ Inner Class :public static class DummyInteractionsModel implements InteractionsModelCallback Inner Class :public static class DummyJUnitModel implements JUnitModelCallback Inner Class :public static class DummyDebugModel implements DebugModelCallback Field Summary final public static  String DEFAULT_INTERPRETER_NAME      Constructor Summary public   MainJVM(File wd)      Creates a new MainJVM to interface to another JVM; the MainJVM has a link to the partially initialized global model. Method Summary public  void addBuildDirectoryClassPath(File f)      public  void addDebugInterpreter(String name, String className)      Adds a named JavaDebugInterpreter to the list of interpreters. public  void addExternalFilesClassPath(File f)      public  void addExtraClassPath(File f)      public  void addJavaInterpreter(String name)      Adds a named DynamicJavaAdapter to the list of interpreters. public  void addProjectClassPath(File f)      public  void addProjectFilesClassPath(File f)      protected  boolean allowAssertions()      Return whether to allow assertions in the InterpreterJVM. public  void classFileError(ClassFileError e)      Called if the slave JVM encounters an illegal class file in testing. public  void enableRestart()      ReEnables restarting the slave if it has been turned off by repeated startup failures. public  InterpreterJVMRemoteI ensureInterpreterConnected()      If an interpreter has not registered itself, this method will block until one does. public  void errorStartingSlave(Throwable cause)      Called if the slave JVM dies before it is able to register. public  List<String> findTestClasses(List<String> classNames, List<File> files)      public  Iterable<File> getClassPath()      Returns the current classpath of the interpreter as a list of unique entries. public  String getConsoleInput()      Asks the main jvm for input from the console. public  String getCurrentInterpreterName()      Accesses the cached current interpreter name. protected  int getDebugPort()      Returns the debug port to use, as specified by the model. public  File getFileForClassName(String className)      Called when the JUnitTestManager wants to open a file that is not currently open. protected  InterpretResultVisitor<Object> getResultHandler()      Returns the visitor to handle an InterpretResult. public  String getVariableClassName(String var)      Gets the class name of a variable in the current interpreter. public  String getVariableToString(String var)      Gets the string representation of the value of a variable in the current interpreter. protected  void handleSlaveConnected()      Called when Interpreter JVM connects to us after being started. protected  void handleSlaveQuit(int status)      React if the slave JVM quits. public  void interpret(String s)      Interprets string s in slave JVM. public  void interpretResult(InterpretResult result)      Called when a call to interpret has completed. public  boolean isInterpreterRunning()      public  boolean isStartupInProgress()      Returns whether a JVM is currently starting. public  void killInterpreter(File wd)      Kills the running interpreter JVM, and restarts with working directory wd if wd != null. public  void nonTestCase(boolean isTestAll)      Called if JUnit is invoked on a non TestCase class. public  void quitFailed(Throwable th)      This method is called by the interpreter JVM if it cannot be exited. public  void removeInterpreter(String name)      Removes the interpreter with the given name, if it exists. public  boolean runTestSuite()      Runs the JUnit test suite already cached in the Interpreter JVM. public  boolean setActiveInterpreter(String name)      public  void setAllowAssertions(boolean allow)      Sets whether the remote JVM will run "assert" statements after the next restart. public  void setDebugModel(DebugModelCallback model)      Provides an object to listen to debug-related events. public  void setInteractionsModel(InteractionsModelCallback model)      Provides an object to listen to interactions-related events. public  void setJUnitModel(JUnitModelCallback model)      Provides an object to listen to test-related events. public  void setOptionArgs(String argString)      Sets the extra (optional) arguments to be passed to the interpreter. public  void setPackageScope(String packageName)      Sets the Interpreter to be in the given package. public  void setPrivateAccessible(boolean allow)      Sets the interpreter to allow access to private members. public  void setShowMessageOnResetFailure(boolean show)      Parameters:   show - Whether to show a message if a reset operation fails. public  void setStartupClassPath(String classPath)      Sets the classpath to use for starting the interpreter JVM. public  boolean setToDefaultInterpreter()      Sets the default interpreter to be the current one. Whether the new interpreter is currently in progress with an interaction (ie. public  boolean slaveJVMUsed()      protected  void slaveQuitDuringStartup(int status)      Action to take if the slave JVM quits before registering. public  void startInterpreterJVM()      Starts the interpreter if it's not running already. public  void systemErrPrint(String s)      Forwards a call to System.err from InterpreterJVM to the local InteractionsModel. public  void systemOutPrint(String s)      Forwards a call to System.out from InterpreterJVM to the local InteractionsModel. public  void testEnded(String testName, boolean wasSuccessful, boolean causedError)      Called when a particular test has ended. public  void testStarted(String testName)      Called when a particular test is started. public  void testSuiteEnded(JUnitError[] errors)      Called when a full suite of tests has finished running. public  void testSuiteStarted(int numTests)      Called to indicate that a suite of tests has started running. Field Detail DEFAULT_INTERPRETER_NAME final public static String DEFAULT_INTERPRETER_NAME(Code) Constructor Detail MainJVM public MainJVM(File wd) throws RemoteException(Code) Creates a new MainJVM to interface to another JVM; the MainJVM has a link to the partially initialized global model. The MainJVM but does not automatically start the Interpreter JVM. Callers must set the InteractionsModel and JUnitModel and then call startInterpreterJVM(). Method Detail addBuildDirectoryClassPath public void addBuildDirectoryClassPath(File f)(Code) addDebugInterpreter public void addDebugInterpreter(String name, String className)(Code) Adds a named JavaDebugInterpreter to the list of interpreters. Parameters:   name - the unique name for the interpreter Parameters:   className - the fully qualified class name of the class the debug interpreter is in throws:   IllegalArgumentException - if the name is not unique addExternalFilesClassPath public void addExternalFilesClassPath(File f)(Code) addExtraClassPath public void addExtraClassPath(File f)(Code) addJavaInterpreter public void addJavaInterpreter(String name)(Code) Adds a named DynamicJavaAdapter to the list of interpreters. Parameters:   name - the unique name for the interpreter throws:   IllegalArgumentException - if the name is not unique addProjectClassPath public void addProjectClassPath(File f)(Code) addProjectFilesClassPath public void addProjectFilesClassPath(File f)(Code) allowAssertions protected boolean allowAssertions()(Code) Return whether to allow assertions in the InterpreterJVM. classFileError public void classFileError(ClassFileError e) throws RemoteException(Code) Called if the slave JVM encounters an illegal class file in testing. Forwards from the other JVM to the local JUnit model. Parameters:   e - the ClassFileError describing the error when loading the class file enableRestart public void enableRestart()(Code) ReEnables restarting the slave if it has been turned off by repeated startup failures. ensureInterpreterConnected public InterpreterJVMRemoteI ensureInterpreterConnected()(Code) If an interpreter has not registered itself, this method will block until one does. errorStartingSlave public void errorStartingSlave(Throwable cause) throws RemoteException(Code) Called if the slave JVM dies before it is able to register. Parameters:   cause - The Throwable which caused the slave to die. findTestClasses public List<String> findTestClasses(List<String> classNames, List<File> files) throws RemoteException(Code) Sets up a JUnit test suite in the Interpreter JVM and finds which classes are really TestCases classes (by loading them) Parameters:   classNames - the class names to run in a test Parameters:   files - the associated file the class names that are actually test cases getClassPath public Iterable<File> getClassPath()(Code) Returns the current classpath of the interpreter as a list of unique entries. The list is empty if a remote exception occurs. getConsoleInput public String getConsoleInput()(Code) Asks the main jvm for input from the console. the console input getCurrentInterpreterName public String getCurrentInterpreterName()(Code) Accesses the cached current interpreter name. getDebugPort protected int getDebugPort()(Code) Returns the debug port to use, as specified by the model. Returns -1 if no usable port could be found. getFileForClassName public File getFileForClassName(String className) throws RemoteException(Code) Called when the JUnitTestManager wants to open a file that is not currently open. Parameters:   className - the name of the class for which we want to find the file the file associated with the given class getResultHandler protected InterpretResultVisitor<Object> getResultHandler()(Code) Returns the visitor to handle an InterpretResult. getVariableClassName public String getVariableClassName(String var)(Code) Gets the class name of a variable in the current interpreter. Parameters:   var - the name of the variable getVariableToString public String getVariableToString(String var)(Code) Gets the string representation of the value of a variable in the current interpreter. Parameters:   var - the name of the variable handleSlaveConnected protected void handleSlaveConnected()(Code) Called when Interpreter JVM connects to us after being started. Assumes that _masterJVMLock is already held. handleSlaveQuit protected void handleSlaveQuit(int status)(Code) React if the slave JVM quits. Restarts the JVM unless _restart is false, and notifies the InteractionsModel if the quit was unexpected. Called from a thread within AbstractMasterJVM waiting for the death of the process that starts and runs the slave JVM. Parameters:   status - Status returned by the dead process. interpret public void interpret(String s)(Code) Interprets string s in slave JVM. No masterJVMLock synchronization because reading _restart is the only access.to master JVM state. interpretResult public void interpretResult(InterpretResult result) throws RemoteException(Code) Called when a call to interpret has completed. Parameters:   result - The result of the interpretation isInterpreterRunning public boolean isInterpreterRunning()(Code) isStartupInProgress public boolean isStartupInProgress()(Code) Returns whether a JVM is currently starting. This override widens the visibility of the method. killInterpreter public void killInterpreter(File wd)(Code) Kills the running interpreter JVM, and restarts with working directory wd if wd != null. If wd == null, the interpreter is not restarted. Note: If the interpreter is not restarted, all of the methods that delegate to the interpreter will silently fail! Therefore, killing without restarting should be used with extreme care and only in carefully controlled test cases or when DrJava is quitting anyway. nonTestCase public void nonTestCase(boolean isTestAll) throws RemoteException(Code) Called if JUnit is invoked on a non TestCase class. Forwards from the other JVM to the local JUnit model. Parameters:   isTestAll - whether or not it was a use of the test all button quitFailed public void quitFailed(Throwable th) throws RemoteException(Code) This method is called by the interpreter JVM if it cannot be exited. Parameters:   th - The Throwable thrown by System.exit removeInterpreter public void removeInterpreter(String name)(Code) Removes the interpreter with the given name, if it exists. Parameters:   name - Name of the interpreter to remove runTestSuite public boolean runTestSuite() throws RemoteException(Code) Runs the JUnit test suite already cached in the Interpreter JVM. false if no test suite is cached; true otherwise setActiveInterpreter public boolean setActiveInterpreter(String name)(Code) Sets the current interpreter to the one specified by name Parameters:   name - the unique name of the interpreter to set active Whether the new interpreter is currently processing an interaction (i.e., whether an interactionEndedevent will be fired) setAllowAssertions public void setAllowAssertions(boolean allow)(Code) Sets whether the remote JVM will run "assert" statements after the next restart. setDebugModel public void setDebugModel(DebugModelCallback model)(Code) Provides an object to listen to debug-related events. Parameters:   model - the debug model setInteractionsModel public void setInteractionsModel(InteractionsModelCallback model)(Code) Provides an object to listen to interactions-related events. setJUnitModel public void setJUnitModel(JUnitModelCallback model)(Code) Provides an object to listen to test-related events. setOptionArgs public void setOptionArgs(String argString)(Code) Sets the extra (optional) arguments to be passed to the interpreter. Parameters:   argString - the arguments as they would be typed at the command-line setPackageScope public void setPackageScope(String packageName)(Code) Sets the Interpreter to be in the given package. Parameters:   packageName - Name of the package to enter. setPrivateAccessible public void setPrivateAccessible(boolean allow)(Code) Sets the interpreter to allow access to private members. TODO: synchronize? setShowMessageOnResetFailure public void setShowMessageOnResetFailure(boolean show)(Code) Parameters:   show - Whether to show a message if a reset operation fails. setStartupClassPath public void setStartupClassPath(String classPath)(Code) Sets the classpath to use for starting the interpreter JVM. Must include the classes for the interpreter. Parameters:   classPath - Classpath for the interpreter JVM setToDefaultInterpreter public boolean setToDefaultInterpreter()(Code) Sets the default interpreter to be the current one. Whether the new interpreter is currently in progress with an interaction (ie. whether an interactionEnded event will be fired) slaveJVMUsed public boolean slaveJVMUsed()(Code) slaveQuitDuringStartup protected void slaveQuitDuringStartup(int status)(Code) Action to take if the slave JVM quits before registering. Assumes _masterJVMLock is held. Parameters:   status - Status code of the JVMTODO: revise the unit tests that kill the slave prematurely (by making them wait until theslave registers) and remove the TEST_MODE escape. startInterpreterJVM public void startInterpreterJVM()(Code) Starts the interpreter if it's not running already. systemErrPrint public void systemErrPrint(String s) throws RemoteException(Code) Forwards a call to System.err from InterpreterJVM to the local InteractionsModel. Parameters:   s - String that was printed in the other JVM systemOutPrint public void systemOutPrint(String s) throws RemoteException(Code) Forwards a call to System.out from InterpreterJVM to the local InteractionsModel. Parameters:   s - String that was printed in the other JVM testEnded public void testEnded(String testName, boolean wasSuccessful, boolean causedError) throws RemoteException(Code) Called when a particular test has ended. Forwards from the other JVM to the local JUnit model. Parameters:   testName - The name of the test that has ended. Parameters:   wasSuccessful - Whether the test passed or not. Parameters:   causedError - If not successful, whether the test caused an error or simply failed. testStarted public void testStarted(String testName) throws RemoteException(Code) Called when a particular test is started. Forwards from the slave JVM to the local JUnit model. Parameters:   testName - The name of the test being started. testSuiteEnded public void testSuiteEnded(JUnitError[] errors) throws RemoteException(Code) Called when a full suite of tests has finished running. Forwards from the other JVM to the local JUnit model. Parameters:   errors - The array of errors from all failed tests in the suite. testSuiteStarted public void testSuiteStarted(int numTests) throws RemoteException(Code) Called to indicate that a suite of tests has started running. Forwards from the other JVM to the local JUnit model. Parameters:   numTests - The number of tests in the suite to be run. Fields inherited from edu.rice.cs.util.newjvm.AbstractMasterJVM final public static Log _log(Code)(Java Doc) final protected Object _masterJVMLock(Code)(Java Doc) protected volatile SlaveRemote _slave(Code)(Java Doc) protected volatile String _waitForQuitThreadName(Code)(Java Doc) Methods inherited from edu.rice.cs.util.newjvm.AbstractMasterJVM public void checkStillAlive()(Code)(Java Doc) public void dispose() throws RemoteException(Code)(Java Doc) abstract public void errorStartingSlave(Throwable cause) throws RemoteException(Code)(Java Doc) final protected SlaveRemote getSlave()(Code)(Java Doc) abstract protected void handleSlaveConnected()(Code)(Java Doc) abstract protected void handleSlaveQuit(int status)(Code)(Java Doc) final protected void invokeSlave() throws IOException, RemoteException(Code)(Java Doc) final protected void invokeSlave(String[] jvmArgs, File workDir) throws IOException, RemoteException(Code)(Java Doc) final protected void invokeSlave(String[] jvmArgs, String cp, File workDir) throws IOException, RemoteException(Code)(Java Doc) protected boolean isStartupInProgress()(Code)(Java Doc) final protected void quitSlave() throws RemoteException(Code)(Java Doc) public void registerSlave(SlaveRemote slave) throws RemoteException(Code)(Java Doc) protected void slaveQuitDuringStartup(int status)(Code)(Java Doc) public void waitSlaveDone()(Code)(Java Doc)