Examples with NoResourcesException com.cosylab.acs.maci.NoResourcesException used on opensource projects

Example 21 with NoResourcesException

use of com.cosylab.acs.maci.NoResourcesException in project ACS by ACS-Community.

the class ManagerImpl method internalRestartComponent.

/**
	 * Internal method for restarting components.
	 *
	 * @param	owner	owner of the component.
	 * @param	h		handle of the component to be restarted.
	 * @return			Newly restarted component, <code>null</code> if failed.
	 */
private Component internalRestartComponent(int owner, int h) throws AcsJNoPermissionEx {
    // extract name
    String name = null;
    componentsLock.lock();
    try {
        int handle = h & HANDLE_MASK;
        ComponentInfo componentInfo = null;
        if (components.isAllocated(handle))
            componentInfo = (ComponentInfo) components.get(handle);
        if (componentInfo == null || componentInfo.getHandle() != h) {
            // invalid Component handle
            BadParametersException af = new BadParametersException("Invalid component handle.");
            throw af;
        }
        name = componentInfo.getName();
    } finally {
        componentsLock.unlock();
    }
    // try to acquire lock
    String lockNotAcquiredCause = acquireSynchronizationObject(name, lockTimeout, "restart component " + name);
    if (lockNotAcquiredCause == null) {
        boolean releaseRWLock = true;
        try {
            // try to acquire activation readers lock first
            // NOTE: the locks are NOT reentrant
            activationPendingRWLock.readLock().lock();
            return internalNoSyncRestartComponent(owner, h);
        } finally {
            if (releaseRWLock)
                activationPendingRWLock.readLock().unlock();
            releaseSynchronizationObject(name);
        }
    } else {
        NoResourcesException nre = new NoResourcesException("Failed to obtain synchronization lock for component '" + name + "', possible deadlock; locked to '" + lockNotAcquiredCause + "'.");
        throw nre;
    }
}

Example 22 with NoResourcesException

use of com.cosylab.acs.maci.NoResourcesException in project ACS by ACS-Community.

the class ManagerProxyImpl method get_component.

/**
	 * Get a Component, activating it if necessary.
	 * The client represented by id (the handle)
	 * must have adequate access rights to access the Component. This is untrue of components:
	 * components always have unlimited access rights to other components.
	 *
	 * @param id Identification of the caller. If this is an invalid handle, or if the caller does not have enough access rights, a maciErrType::NoPermissionEx exception is raised.
	 * @param component_url CURL of the Component whose reference is to be retrieved.
	 * @param activate True if the Component is to be activated in case it does not exist. If set to False, and the Component does not exist, a nil reference is returned and status is set to COMPONENT_NOT_ACTIVATED.
	 * @return Reference to the Component. If the Component could not be activated, an exception is throw.
	 */
public Object get_component(int id, String component_url, boolean activate) throws NoPermissionEx, CannotGetComponentEx, ComponentNotAlreadyActivatedEx, ComponentConfigurationNotFoundEx {
    pendingRequests.incrementAndGet();
    try {
        // returned value
        Object retVal = null;
        // returned status
        StatusHolder statusHolder = new StatusHolder();
        // transform to CORBA specific
        URI uri = null;
        if (component_url != null)
            uri = CURLHelper.createURI(component_url);
        Component component = manager.getComponent(id, uri, activate, statusHolder);
        // extract Component CORBA reference
        if (component != null)
            retVal = (Object) component.getObject();
        /**
			 * @todo GCH 2006.10.11
			 *       notice that we can get a ComponentStatus != COMPONENT_ACTIVATED
			 *       also if the component is properly returned.
			 *       There is an incoherence here in the interfaces that shall be resolved.
			 *       We have to cleanup here or go back to return a status
			 *       to the caller.
			 *       My point is: the caller is interested in more than just 
			 *       getting the component of an indication of failure if not?
			 *       Is it interesting to know that the component was not activated,
			 *       presumably because already active? 
			 */
        if (component == null || component.getObject() == null) {
            if (statusHolder.getStatus() == ComponentStatus.COMPONENT_NOT_ACTIVATED && !activate) {
                AcsJComponentNotAlreadyActivatedEx ex = new AcsJComponentNotAlreadyActivatedEx();
                ex.setCURL(component_url);
                throw ex;
            }
            if (statusHolder.getStatus() == ComponentStatus.COMPONENT_DOES_NO_EXIST) {
                AcsJComponentConfigurationNotFoundEx ex = new AcsJComponentConfigurationNotFoundEx();
                ex.setCURL(component_url);
                throw ex;
            } else {
                AcsJCannotGetComponentEx ex = new AcsJCannotGetComponentEx();
                ex.setCURL(component_url);
                throw ex;
            }
        }
        return retVal;
    } catch (URISyntaxException usi) {
        BadParametersException hbpe = new BadParametersException(usi.getMessage(), usi);
        reportException(hbpe);
        // rethrow CORBA specific
        throw new BAD_PARAM(usi.getMessage());
    } catch (BadParametersException bpe) {
        BadParametersException hbpe = new BadParametersException(bpe.getMessage(), bpe);
        reportException(hbpe);
        // rethrow CORBA specific
        throw new BAD_PARAM(bpe.getMessage());
    } catch (NoResourcesException nre) {
        NoResourcesException hnre = new NoResourcesException(nre.getMessage(), nre);
        reportException(hnre);
        // rethrow CORBA specific
        throw new NO_RESOURCES(nre.getMessage());
    } catch (AcsJCannotGetComponentEx cgce) {
        // rethrow CORBA specific
        throw cgce.toCannotGetComponentEx();
    } catch (AcsJComponentNotAlreadyActivatedEx cnaae) {
        // rethrow CORBA specific
        throw cnaae.toComponentNotAlreadyActivatedEx();
    } catch (AcsJComponentConfigurationNotFoundEx ccnfe) {
        // rethrow CORBA specific
        throw ccnfe.toComponentConfigurationNotFoundEx();
    } catch (AcsJNoPermissionEx npe) {
        // rethrow CORBA specific
        throw npe.toNoPermissionEx();
    } catch (Throwable ex) {
        CoreException hce = new CoreException(ex.getMessage(), ex);
        reportException(hce);
        // rethrow CORBA specific
        throw new UNKNOWN(ex.getMessage());
    } finally {
        pendingRequests.decrementAndGet();
    }
}

Example 23 with NoResourcesException

use of com.cosylab.acs.maci.NoResourcesException in project ACS by ACS-Community.

the class ManagerProxyImpl method get_service.

/**
	 * Get a service, activating it if necessary (components).
	 * The client represented by id (the handle) must have adequate access rights to access the service.
	 * NOTE: a component is also a service, i.e. a service activated by a container.
	 * 
	 * @param id Identification of the caller. If this is an invalid handle, or if the caller does not have enough access rights, a maciErrType::NoPermissionEx exception is raised.
	 * @param service_url CURL of the service whose reference is to be retrieved.
	 * @param activate True if the component is to be activated in case it does not exist. If set to False, and the Component does not exist, a nil reference is returned and status is set to COMPONENT_NOT_ACTIVATED.
	 * @param status Status of the request. One of COMPONENT_ACTIVATED, COMPONENT_DOES_NO_EXIST and COMPONENT_NOT_ACTIVATED.
	 * @return Reference to the service. If the service could not be obtained, a nil reference is returned,
	 *		  and the status contains an error code detailing the cause of failure (one of the COMPONENT_* constants).
	 * @see #get_component
	 */
public Object get_service(int id, String service_url, boolean activate) throws NoPermissionEx, CannotGetComponentEx {
    pendingRequests.incrementAndGet();
    try {
        // returned value
        Object retVal = null;
        // returned status
        StatusHolder statusHolder = new StatusHolder();
        // transform to CORBA specific
        URI uri = null;
        if (service_url != null)
            uri = CURLHelper.createURI(service_url);
        Component component = manager.getService(id, uri, activate, statusHolder);
        if (component == null || (Object) component.getObject() == null)
            throw new AcsJCannotGetComponentEx();
        retVal = (Object) component.getObject();
        return retVal;
    } catch (URISyntaxException usi) {
        BadParametersException hbpe = new BadParametersException(usi.getMessage(), usi);
        reportException(hbpe);
        // rethrow CORBA specific
        throw new BAD_PARAM(usi.getMessage());
    } catch (BadParametersException bpe) {
        BadParametersException hbpe = new BadParametersException(bpe.getMessage(), bpe);
        reportException(hbpe);
        // rethrow CORBA specific
        throw new BAD_PARAM(bpe.getMessage());
    } catch (NoResourcesException nre) {
        NoResourcesException hnre = new NoResourcesException(nre.getMessage(), nre);
        reportException(hnre);
        // rethrow CORBA specific
        throw new NO_RESOURCES(nre.getMessage());
    } catch (AcsJCannotGetComponentEx cgce) {
        // rethrow CORBA specific
        throw cgce.toCannotGetComponentEx();
    } catch (AcsJNoPermissionEx npe) {
        // rethrow CORBA specific
        throw npe.toNoPermissionEx();
    } catch (Throwable ex) {
        CoreException hce = new CoreException(ex.getMessage(), ex);
        reportException(hce);
        // rethrow CORBA specific
        throw new UNKNOWN(ex.getMessage());
    } finally {
        pendingRequests.decrementAndGet();
    }
}

Example 24 with NoResourcesException

use of com.cosylab.acs.maci.NoResourcesException in project ACS by ACS-Community.

the class ManagerProxyImpl method get_component_info.

/**
	 * Get all the information that the Manager has about components.
	 * To invoke this method, the caller must have INTROSPECT_MANAGER access rights, or it must have adequate privileges to access the Component (the same as with the get_component method).
	 * Information about all components is returned, unless the active_only parameter is set to true,
	 * in which case only information about those components that are currently registered with the Manager
	 * and activated is returned.
	 * Calling this function does not affect the internal state of the Manager.
	 *
	 * @param id Identification of the caller.
	 * @param h Handles of the components whose information is requested. If this is an empty sequence, the name_wc and type_wc parameters are used.
	 * @param name_wc Wildcard that the Component's name must match in order for its information to be returned.
	 * @param type_wc Wildcard that the Component's type must match in order for its information to be returned.
	 * @param active_only
	 * @return A sequence of ComponentInfo structures containing the entire Manager's knowledge about the components.
	 *		  If access is denied to a subset of objects, the handles to those objects are set to 0.
	 */
public ComponentInfo[] get_component_info(int id, int[] h, String name_wc, String type_wc, boolean active_only) throws NoPermissionEx {
    pendingRequests.incrementAndGet();
    try {
        // invalid info (replacement for null)
        final ComponentInfo invalidInfo = new ComponentInfo("<invalid>", "<invalid>", null, "<invalid>", new int[0], 0, "<invalid>", 0, 0, new String[0]);
        // returned value
        ComponentInfo[] retVal = null;
        // transform to CORBA specific
        com.cosylab.acs.maci.ComponentInfo[] infos = manager.getComponentInfo(id, h, name_wc, type_wc, active_only);
        if (infos != null) {
            retVal = new ComponentInfo[infos.length];
            for (int i = 0; i < infos.length; i++) if (infos[i] == null)
                retVal[i] = invalidInfo;
            else {
                Object obj = null;
                if (infos[i].getComponent() != null)
                    obj = (Object) infos[i].getComponent().getObject();
                String[] interfaces;
                if (infos[i].getInterfaces() != null)
                    interfaces = infos[i].getInterfaces();
                else
                    interfaces = new String[0];
                retVal[i] = new ComponentInfo(infos[i].getType(), infos[i].getCode(), obj, infos[i].getName(), infos[i].getClients().toArray(), infos[i].getContainer(), infos[i].getContainerName(), infos[i].getHandle(), mapAccessRights(infos[i].getAccessRights()), interfaces);
            }
        } else
            retVal = new ComponentInfo[0];
        return retVal;
    } catch (BadParametersException bpe) {
        BadParametersException hbpe = new BadParametersException(bpe.getMessage(), bpe);
        reportException(hbpe);
        // rethrow CORBA specific
        throw new BAD_PARAM(bpe.getMessage());
    } catch (NoResourcesException nre) {
        NoResourcesException hnre = new NoResourcesException(nre.getMessage(), nre);
        reportException(hnre);
        // rethrow CORBA specific
        throw new NO_RESOURCES(nre.getMessage());
    } catch (AcsJNoPermissionEx npe) {
        // rethrow CORBA specific
        throw npe.toNoPermissionEx();
    } catch (Throwable ex) {
        CoreException hce = new CoreException(ex.getMessage(), ex);
        reportException(hce);
        // rethrow CORBA specific
        throw new UNKNOWN(ex.getMessage());
    } finally {
        pendingRequests.decrementAndGet();
    }
}

Example 25 with NoResourcesException

use of com.cosylab.acs.maci.NoResourcesException in project ACS by ACS-Community.

the class ManagerProxyImpl method make_component_immortal.

/**
	 * Change mortality state of an component.
	 * Compnent must be already active, otherwise ComponentNotAlreadyActivatedEx exception will be thrown.
	 * The caller must be an owner of an component or have administator rights,
	 * otherwise NoPermissionEx exception will be thrown.
	 * 
	 * @param id Identification of the caller. The caller must be an owner of an component or have administator rights.
	 * @param component_url The CURL of the component whose mortality to change.
	 * @param immortal_state New mortality state.
	 **/
public void make_component_immortal(int id, String component_url, boolean immortal_state) throws NoPermissionEx, ComponentNotAlreadyActivatedEx {
    pendingRequests.incrementAndGet();
    try {
        // simply release Component
        URI uri = null;
        if (component_url != null)
            uri = CURLHelper.createURI(component_url);
        manager.makeComponentImmortal(id, uri, immortal_state);
    } catch (URISyntaxException usi) {
        BadParametersException hbpe = new BadParametersException(usi.getMessage(), usi);
        reportException(hbpe);
        // rethrow CORBA specific
        throw new BAD_PARAM(usi.getMessage());
    } catch (BadParametersException bpe) {
        BadParametersException hbpe = new BadParametersException(bpe.getMessage(), bpe);
        reportException(hbpe);
        // rethrow CORBA specific
        throw new BAD_PARAM(bpe.getMessage());
    }// @todo 
     catch (NoResourcesException nre) {
        NoResourcesException hnre = new NoResourcesException(nre.getMessage(), nre);
        reportException(hnre);
        // rethrow CORBA specific
        throw new AcsJComponentNotAlreadyActivatedEx().toComponentNotAlreadyActivatedEx();
    } catch (AcsJNoPermissionEx npe) {
        // rethrow CORBA specific
        throw npe.toNoPermissionEx();
    } catch (Throwable ex) {
        CoreException hce = new CoreException(ex.getMessage(), ex);
        reportException(hce);
        // rethrow CORBA specific
        throw new UNKNOWN(ex.getMessage());
    } finally {
        pendingRequests.decrementAndGet();
    }
}