/******************************************************************************
* Copyright (c) 2006, 2010 VMware Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html and the Apache License v2.0
* is available at http://www.opensource.org/licenses/apache2.0.php.
* You may elect to redistribute this code under either of these licenses.
*
* Contributors:
* VMware Inc.
*****************************************************************************/
package org.eclipse.gemini.blueprint.extender.event;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.osgi.framework.Bundle;
import org.osgi.framework.Filter;
import org.springframework.context.ApplicationContext;
import org.eclipse.gemini.blueprint.context.event.OsgiBundleApplicationContextEvent;
import org.eclipse.gemini.blueprint.service.importer.event.OsgiServiceDependencyEvent;
import org.springframework.util.Assert;
/**
* Spring-DM Extender bootstrapping event. Used during the application context discovery phase, before an application
* context is fully initialized. Similar to {@link BootstrappingDependencyEvent}, this event contains the information
* regarding all unsatisfied dependencies.
*
* Consider using this event {@link BootstrappingDependencyEvent} for getting a global overview of the waiting
* application and {@link BootstrappingDependencyEvent} for finding out specific information.
*
* <p/> It can be used to receive status updates for contexts started by the extender.
*
* @author Costin Leau
*/
public class BootstrappingDependenciesEvent extends OsgiBundleApplicationContextEvent {
private final Collection<OsgiServiceDependencyEvent> dependencyEvents;
private final Collection<String> dependencyFilters;
private final Filter dependenciesFilter;
private final long timeLeft;
/**
* Constructs a new <code>BootstrappingDependencyEvent</code> instance.
*
* @param source
*/
public BootstrappingDependenciesEvent(ApplicationContext source, Bundle bundle,
Collection<OsgiServiceDependencyEvent> nestedEvents, Filter filter, long timeLeft) {
super(source, bundle);
Assert.notNull(nestedEvents);
this.dependencyEvents = nestedEvents;
this.dependenciesFilter = filter;
this.timeLeft = timeLeft;
List<String> depFilters = new ArrayList<String>(dependencyEvents.size());
for (OsgiServiceDependencyEvent dependency : nestedEvents) {
depFilters.add(dependency.getServiceDependency().getServiceFilter().toString());
}
dependencyFilters = Collections.unmodifiableCollection(depFilters);
}
/**
* Returns the nested, dependency event that caused the bootstrapping event to be raised.
*
* @return associated dependency event
*/
public Collection<OsgiServiceDependencyEvent> getDependencyEvents() {
return dependencyEvents;
}
public Filter getDependenciesAsFilter() {
return dependenciesFilter;
}
public Collection<String> getDependencyFilters() {
return dependencyFilters;
}
public long getTimeToWait() {
return timeLeft;
}
}