Examples with ComponentCommandClientRemove com.cosylab.acs.maci.manager.recovery.ComponentCommandClientRemove used on opensource projects

Example 1 with ComponentCommandClientRemove

use of com.cosylab.acs.maci.manager.recovery.ComponentCommandClientRemove in project ACS by ACS-Community.

the class ManagerImpl method internalNoSyncReleaseComponent.

/**
	 * Internal method for releasing components.
	 *
	 * @param	owner	owner of the component.
	 * @param	h		handle of the component to be released.
	 * @param	force	force deactivate, if still has owners then component will be made unavailable.
	 * @return			Number of clients that are still using the component after the operation completed.
	 */
private ReleaseComponentResult internalNoSyncReleaseComponent(int owner, int h, boolean force) throws AcsJNoPermissionEx {
    int handle = h & HANDLE_MASK;
    int owners = 0;
    ComponentInfo componentInfo = null;
    componentsLock.lock();
    try {
        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;
        }
        // remove ownership of the component
        if (!componentInfo.getClients().contains(owner)) {
            if (!force) {
                // not an owner
                AcsJNoPermissionEx npe = new AcsJNoPermissionEx();
                npe.setReason("Unregistering component that client does not own.");
                npe.setID(HandleHelper.toString(owner));
                npe.setProtectedResource(componentInfo.getName());
                throw npe;
            }
        } else {
            // ACID - !!!
            // remove client/component as an owner
            executeCommand(new ComponentCommandClientRemove(componentInfo.getHandle() & HANDLE_MASK, owner));
            // remove component from client component list
            if (owner != this.getHandle())
                removeComponentOwner(componentInfo.getHandle(), owner);
        }
        owners = componentInfo.getClients().size();
        if (owners == 0) {
            // there is not owner to be unavailable for
            synchronized (unavailableComponents) {
                if (unavailableComponents.containsKey(componentInfo.getName())) {
                    // !!! ACID
                    executeCommand(new UnavailableComponentCommandRemove(componentInfo.getName()));
                //unavailableComponents.remove(componentInfo.getName());
                }
            }
        }
    } finally {
        componentsLock.unlock();
    }
    /****************** component deactivation ******************/
    ReleaseComponentResult result = new ReleaseComponentResult(owners, null);
    // there is no owners of the component, deactivate it
    if (force) {
        try {
            internalNoSyncDeactivateComponent(componentInfo);
        } catch (Throwable th) {
            result.exception = th;
        }
    } else if (owners == 0) {
        int keepAliveTime = RELEASE_IMMEDIATELY;
        String name = componentInfo.getName();
        boolean isOtherDomainComponent = name.startsWith(CURL_URI_SCHEMA);
        if (!isOtherDomainComponent) {
            keepAliveTime = componentInfo.getKeepAliveTime();
            if (keepAliveTime == RELEASE_TIME_UNDEFINED) {
                // when info is passed from the container
                DAOProxy dao = getComponentsDAOProxy();
                if (dao != null)
                    keepAliveTime = readLongCharacteristics(dao, name + "/KeepAliveTime", RELEASE_IMMEDIATELY, true);
                else
                    keepAliveTime = RELEASE_IMMEDIATELY;
            }
        }
        if (keepAliveTime == 0) {
            try {
                internalNoSyncDeactivateComponent(componentInfo);
            } catch (Throwable th) {
                result.exception = th;
            }
        } else if (keepAliveTime > 0)
            delayedDeactivationTask.schedule(new DeactivateComponentTask(name), keepAliveTime * 1000);
    // negative means immortal, however this could not happen since immortal
    // components have manager as an owner
    }
    /// TODO !!!!!!!!!!!!!! no more handle -> componentInfo data
    // notify administrators about the release request
    notifyComponentReleased(new int[] { owner }, new int[] { h }, System.currentTimeMillis());
    logger.log(Level.FINE, "Component '" + componentInfo.getName() + "' (" + HandleHelper.toString(componentInfo.getHandle()) + ") released.");
    // component deactivated
    if (owners == 0 || force) {
        topologySortManager.notifyTopologyChange(componentInfo.getContainer());
    } else if ((owner & TYPE_MASK) == COMPONENT_MASK) {
        // component dependency changed...
        // notify about the change (only if on the same container)...
        // on complete system shutdown sort will be done anyway
        ComponentInfo ownerComponentInfo = getComponentInfo(owner);
        if (ownerComponentInfo != null && ownerComponentInfo.getContainerName() != null && ownerComponentInfo.getContainerName().equals(componentInfo.getContainerName()))
            topologySortManager.notifyTopologyChange(componentInfo.getContainer());
    }
    return result;
}