BGPCapability.java

package org.opennaas.extensions.router.capability.bgp;

/*
 * #%L
 * OpenNaaS :: Router :: BGP Capability
 * %%
 * Copyright (C) 2007 - 2014 Fundació Privada i2CAT, Internet i Innovació a Catalunya
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import org.opennaas.core.resources.ActivatorException;
import org.opennaas.core.resources.action.IAction;
import org.opennaas.core.resources.action.IActionSet;
import org.opennaas.core.resources.capability.AbstractCapability;
import org.opennaas.core.resources.capability.CapabilityException;
import org.opennaas.core.resources.descriptor.CapabilityDescriptor;
import org.opennaas.core.resources.descriptor.ResourceDescriptorConstants;
import org.opennaas.extensions.queuemanager.IQueueManagerCapability;
import org.opennaas.extensions.router.model.ComputerSystem;

public class BGPCapability extends AbstractCapability implements IBGPCapability {

	public static final String	CAPABILITY_TYPE	= "bgp";
	private String				resourceId		= "";

	public BGPCapability(CapabilityDescriptor capabilityDescriptor, String resourceId) {
		super(capabilityDescriptor);
		this.resourceId = resourceId;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.opennaas.core.resources.caactivatepability.AbstractCapability#activate()
	 */
	@Override
	public void activate() throws CapabilityException {
		registerService(Activator.getContext(), CAPABILITY_TYPE, getResourceType(), getResourceName(), IBGPCapability.class.getName());
		super.activate();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.opennaas.core.resources.capability.AbstractCapability#deactivate()
	 */
	@Override
	public void deactivate() throws CapabilityException {
		unregisterService();
		super.deactivate();
	}

	@Override
	public String getCapabilityName() {
		return CAPABILITY_TYPE;
	}

	@Override
	public IActionSet getActionSet() throws CapabilityException {
		String actionSetName = this.descriptor.getPropertyValue(ResourceDescriptorConstants.ACTION_NAME);
		String actionSetVersion = this.descriptor.getPropertyValue(ResourceDescriptorConstants.ACTION_VERSION);
		try {
			return Activator.getActionSetService(getCapabilityName(), actionSetName, actionSetVersion);
		} catch (ActivatorException e) {
			throw new CapabilityException(e);
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.opennaas.core.resources.capability.AbstractCapability#queueAction(org.opennaas.core.resources.action.IAction)
	 */
	@Override
	public void queueAction(IAction action) throws CapabilityException {
		getQueueManager(resourceId).queueAction(action);
	}

	/**
	 * 
	 * @return QueuemanagerService this capability is associated to (the one of the resource it belongs to).
	 * @throws CapabilityException
	 *             if desired queueManagerService could not be retrieved.
	 */
	private IQueueManagerCapability getQueueManager(String resourceId) throws CapabilityException {
		try {
			return Activator.getQueueManagerService(resourceId);
		} catch (ActivatorException e) {
			throw new CapabilityException("Failed to get QueueManagerService for resource " + resourceId, e);
		}
	}

	@Override
	public void configureBGP(ComputerSystem systemWithBGPAndPolicies) throws CapabilityException {
		IAction action = createActionAndCheckParams(BGPActionSet.CONFIGURE_BGP, systemWithBGPAndPolicies);
		queueAction(action);
	}

	@Override
	public void unconfigureBGP(ComputerSystem systemWithBGPAndPolicies) throws CapabilityException {
		IAction action = createActionAndCheckParams(BGPActionSet.UNCONFIGURE_BGP, systemWithBGPAndPolicies);
		queueAction(action);
	}

}