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package org.glassfish.ejb.api;


import java.lang.reflect.Method;
import javax.ejb.EJBContext;
import javax.xml.rpc.handler.MessageContext;

/**
 * This interface provides access to the exported portions of the
 * ejb invocation object.  
 * @author Kenneth Saks
 */


public interface EJBInvocation {

    public EJBContext getEJBContext();
    
    /**
     * This is for EJB JAXWS only.
     * @return the JAXWS message
     */
    public Object getMessage();
    
    /**
     * This is for EJB JAXWS only.
     * @param message  an unconsumed message
     */
    public  void setMessage(T message);
    
    /**
     * 
     * @return true if it is a webservice invocation
     */
    public boolean isAWebService();
    
    /**
     * @return the Java Method object for this Invocation
     */
    public Method getMethod();
    
    /**
     * 
     * @return the Method parameters for this Invocation
     */
    public Object[] getMethodParams();
    
    /**
     * Used by JACC implementation to get an enterprise bean
     * instance for the EnterpriseBean policy handler.  The jacc
     * implementation should use this method rather than directly
     * accessing the ejb field.
     */
    public Object getJaccEjb();
    
    /**
     * Use the underlying container to authorize this invocation
     * @return true if the invocation was authorized by the underlying container
     * @throws java.lang.Exception TODO, change this to throw some subclass
     */
    public boolean authorizeWebService(Method m) throws Exception;
    
/**
    *
    * @return true if the SecurityManager reports that the caller is in role
    */
   public boolean isCallerInRole(String role);

    /**
     * Used by JAXRPC pre/postHandler classes
     * @param tie an instance of com.sun.xml.rpc.spi.runtime.Tie
     */
    public void setWebServiceTie(Object tie);


    /**
     * Used for setting JAXRPC message context.
     */
    public void setMessageContext(MessageContext msgContext);

    /**
     * @return instance of com.sun.xml.rpc.spi.runtime.Tie
     */
    public Object getWebServiceTie();

    public void setWebServiceMethod(Method method);
    public Method getWebServiceMethod();
    public void setWebServiceContext(Object webServiceContext);
}