javax.resource.cci

Interface Interaction

Table des matières

  • public interface Interaction
    The javax.resource.cci.Interaction enables a component to execute EIS functions. An Interaction instance supports the following ways of interacting with an EIS instance:
    • execute method that takes an input Record, output Record and an InteractionSpec. This method executes the EIS function represented by the InteractionSpec and updates the output Record
    • execute method that takes an input Record and an InteractionSpec. This method implementation executes the EIS function represented by the InteractionSpec and produces the output Record as a return value.

    An Interaction instance is created from a Connection and is required to maintain its association with the Connection instance. The close method releases all resources maintained by the resource adapter for the Interaction. The close of an Interaction instance should not close the associated Connection instance.

    Since:
    0.8
    Version:
    0.8
    Author:
    Rahul Sharma
    See Also:
    ResultSet

    • Method Detail

      • close

        void close()
    throws ResourceException
        Closes the current Interaction and release all the resources held for this instance by the resource adapter. The close of an Interaction instance does not close the associated Connection instance. It is recommended that Interaction instances be closed explicitly to free any held resources.
        Throws:
        ResourceException - Failed to close the Interaction instance. Invoking close on an already closed Interaction should also throw this exception.

      • getConnection

        Connection getConnection()
        Gets the Connection associated with the Interaction.
        Returns:
        Connection instance associated with the Interaction

      • execute

        boolean execute(InteractionSpec ispec,
                Record input,
                Record output)
         throws ResourceException
        Executes an interaction represented by the InteractionSpec. This form of invocation takes an input Record and updates the output Record.
        Parameters:
        ispec - InteractionSpec representing a target EIS data/function module
        input - Input Record
        output - Output Record
        Returns:
        true if execution of the EIS function has been successful and output Record has been updated; false otherwise
        Throws:
        ResourceException - Exception if execute operation fails. Examples of error cases are:
        • Resource adapter internal, EIS-specific or communication error
        • Invalid specification of an InteractionSpec, input or output record structure
        • Errors in use of input or output Record
        • Invalid connection associated with this Interaction
        NotSupportedException - Operation not supported

      • execute

        Record execute(InteractionSpec ispec,
               Record input)
        throws ResourceException
        Executes an interaction represented by the InteractionSpec. This form of invocation takes an input Record and returns an output Record if the execution of the Interaction has been successfull.
        Parameters:
        ispec - InteractionSpec representing a target EIS data/function module
        input - Input Record
        Returns:
        output Record if execution of the EIS function has been successful; null otherwise
        Throws:
        ResourceException - Exception if execute operation fails. Examples of error cases are:
        • Resource adapter internal, EIS-specific or communication error
        • Invalid specification of an InteractionSpec or input record structure
        • Errors in use of input Record or creation of an output Record
        • Invalid connection associated with this Interaction
        NotSupportedException - Operation not supported

      • getWarnings

        ResourceWarning getWarnings()
                     throws ResourceException
        Gets the first ResourceWarning from the chain of warnings associated with this Interaction instance.
        Returns:
        ResourceWarning at top of the warning chain
        Throws:
        ResourceException - Failed to get ResourceWarnings associated with Interaction

      • clearWarnings

        void clearWarnings()
            throws ResourceException
        Clears all the warning reported by this Interaction instance. After a call to this method, the method getWarnings will return null until a new warning is reported for this Interaction.
        Throws:
        ResourceException - Failed to clear ResourceWarnings associated with Interaction

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Document créé le 19/04/2008, dernière modification le 18/08/2025
Source du document imprimé : https://www.gaudry.be/java-api-javaee-rf-javax/resource/cci/Interaction.html

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Références

  1. Consulter le document html Langue du document :fr Manuel PHP : https://docs.oracle.com, Interaction (Java(TM) EE 7 Specification APIs)

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