Module openj9.dtfjview
Package com.ibm.jvm.dtfjview.spi

Interface ISession

  • All Known Implementing Classes:
    Session
    public interface ISession
    Represents a single jdmpview session which may contain multiple contexts.

    • Method Detail

      • getOutputManager

        IOutputManager getOutputManager()
        The instance which is managing all registered output channels.
        Returns:
        the manager

      • getCurrentContext

        ICombinedContext getCurrentContext()
        The currently selected context against which commands will be executed.
        Returns:
        the current context, it may or may not have DDR interactive support

      • getContextManager

        ISessionContextManager getContextManager()
        Get the manager which is managing this context within this session.
        Returns:
        the context manager

      • setContext

        void setContext​(int id)
         throws CommandException
        Set the context within which subsequent commands will be executed.
        Parameters:
        id - context ID
        Throws:
        CommandException - thrown if an invalid context ID is specified

      • setContext

        void setContext​(ICombinedContext switchTo)
         throws CommandException
        Set the context within which subsequent commands will be executed.
        Parameters:
        switchTo - the context to switch to
        Throws:
        CommandException - thrown if the switch fails. The underlying reason will be in the logs.

      • showContexts

        void showContexts​(boolean shortFormat)
        Display the contexts which are present in the core file currently being analysed.
        Parameters:
        shortFormat - true for short format which just displays the first line of the java -version string

      • findAndSetContextWithJVM

        void findAndSetContextWithJVM()
        Convenience method which instructs the session to search through all the available contexts and set the current one to the first one it finds with a non-corrupt DTFJ JavaRuntime in it.

      • execute

        void execute​(String command)
        Executes the supplied command. Output will be written via the IOutputManager to all registered channels.
        Parameters:
        command - the command and any parameters to execute.