Java ObjectAdapter.enter方法代码示例

import com.sun.corba.se.spi.oa.ObjectAdapter; //导入方法依赖的package包/类
protected synchronized OAInvocationInfo getCachedInfo()
{
    if (!servantIsLocal)
        throw wrapper.servantMustBeLocal() ;

    if (cachedInfo == null) {
        ObjectAdapter oa = oaf.find( oaid ) ;
        cachedInfo = oa.makeInvocationInfo( objectId ) ;

        // InvocationInfo must be pushed before calling getInvocationServant
        orb.pushInvocationInfo( cachedInfo ) ;

        try {
            oa.enter( );
            oa.getInvocationServant( cachedInfo ) ;
        } catch (ForwardException freq) {
            throw wrapper.illegalForwardRequest( freq ) ;
        } catch( OADestroyed oades ) {
            // This is an error since no user of this implementation
            // should ever throw this exception
            throw wrapper.adapterDestroyed( oades ) ;
        } finally {
            oa.returnServant( );
            oa.exit( );
            orb.popInvocationInfo() ;
        }
    }

    return cachedInfo ;
}
 

import com.sun.corba.se.spi.oa.ObjectAdapter; //导入方法依赖的package包/类
private OAInvocationInfo servantEnter( ObjectAdapter oa ) throws OADestroyed
{
    oa.enter() ;

    OAInvocationInfo info = oa.makeInvocationInfo( objectId ) ;
    orb.pushInvocationInfo( info ) ;

    return info ;
}
 

import com.sun.corba.se.spi.oa.ObjectAdapter; //导入方法依赖的package包/类
protected java.lang.Object getServantWithPI(CorbaMessageMediator request,
                                             ObjectAdapter objectAdapter,
    byte[] objectId, ObjectKeyTemplate oktemp, String operation)
    throws OADestroyed
{
    try {
        if (orb.subcontractDebugFlag) {
            dprint(".getServantWithPI->");
        }

        // Prepare Portable Interceptors for a new server request
        // and invoke receive_request_service_contexts.  The starting
        // point may throw a SystemException or ForwardException.
        orb.getPIHandler().initializeServerPIInfo(request, objectAdapter,
            objectId, oktemp);
        orb.getPIHandler().invokeServerPIStartingPoint();

        objectAdapter.enter() ;

        // This must be set just after the enter so that exceptions thrown by
        // enter do not cause
        // the exception reply to pop the thread stack and do an extra oa.exit.
        if (request != null)
            request.setExecuteReturnServantInResponseConstructor(true);

        java.lang.Object servant = getServant(objectAdapter, objectId,
            operation);

        // Note: we do not know the MDI on a null servant.
        // We only end up in that situation if _non_existent called,
        // so that the following handleNullServant call does not throw an
        // exception.
        String mdi = "unknown" ;

        if (servant instanceof NullServant)
            handleNullServant(operation, (NullServant)servant);
        else
            mdi = objectAdapter.getInterfaces(servant, objectId)[0] ;

        orb.getPIHandler().setServerPIInfo(servant, mdi);

        if (((servant != null) &&
            !(servant instanceof org.omg.CORBA.DynamicImplementation) &&
            !(servant instanceof org.omg.PortableServer.DynamicImplementation)) ||
            (SpecialMethod.getSpecialMethod(operation) != null)) {
            orb.getPIHandler().invokeServerPIIntermediatePoint();
        }

        return servant ;
    } finally {
        if (orb.subcontractDebugFlag) {
            dprint(".getServantWithPI<-");
        }
    }
}