Examples with DependencyContext org.apache.felix.dm.context.DependencyContext used on opensource projects

Example 1 with DependencyContext

use of org.apache.felix.dm.context.DependencyContext in project felix by apache.

the class ComponentImpl method removeInstanceBoundDependencies.

/**
 * Removes and closes all instance bound dependencies.
 * This method is called when a component is destroyed.
 */
private void removeInstanceBoundDependencies() {
    for (DependencyContext dep : m_dependencies) {
        if (dep.isInstanceBound()) {
            m_dependencies.remove(dep);
            generateNameBasedOnServiceAndProperties();
            dep.stop();
        }
    }
}

Example 2 with DependencyContext

use of org.apache.felix.dm.context.DependencyContext in project felix by apache.

the class ComponentImpl method add.

@Override
public Component add(final Dependency... dependencies) {
    getExecutor().execute(() -> {
        List<DependencyContext> instanceBoundDeps = new ArrayList<>();
        for (Dependency d : dependencies) {
            DependencyContext dc = (DependencyContext) d;
            if (dc.getComponentContext() != null) {
                m_logger.err("%s can't be added to %s (dependency already added to component %s).", dc, ComponentImpl.this, dc.getComponentContext());
                continue;
            }
            m_dependencyEvents.put(dc, new ConcurrentSkipListSet<Event>());
            m_dependencies.add(dc);
            generateNameBasedOnServiceAndProperties();
            dc.setComponentContext(ComponentImpl.this);
            if (!(m_state == ComponentState.INACTIVE)) {
                dc.setInstanceBound(true);
                instanceBoundDeps.add(dc);
            }
        }
        startDependencies(instanceBoundDeps);
        handleChange();
    });
    return this;
}

Example 3 with DependencyContext

use of org.apache.felix.dm.context.DependencyContext in project felix by apache.

the class AbstractDecorator method addDependency.

/**
 * Add a Dependency to all already instantiated services.
 */
public void addDependency(Dependency... dependencies) {
    for (Component component : m_services.values()) {
        Dependency[] copy = Stream.of(dependencies).map(d -> (DependencyContext) d).map(dc -> dc.createCopy()).toArray(Dependency[]::new);
        for (int i = 0; i < dependencies.length; i++) {
            m_depclones.put(dependencies[i], copy[i]);
        }
        component.add(copy);
    }
}

Example 4 with DependencyContext

use of org.apache.felix.dm.context.DependencyContext in project felix by apache.

the class ComponentImpl method startDependencies.

private void startDependencies(List<DependencyContext> dependencies) {
    // Start first optional dependencies first.
    m_logger.debug("startDependencies.");
    List<DependencyContext> requiredDeps = new ArrayList<>();
    for (DependencyContext d : dependencies) {
        if (d.isRequired()) {
            requiredDeps.add(d);
            continue;
        }
        if (d.needsInstance()) {
            instantiateComponent();
        }
        d.start();
    }
    // now, start required dependencies.
    for (DependencyContext d : requiredDeps) {
        if (d.needsInstance()) {
            instantiateComponent();
        }
        d.start();
    }
}

Example 5 with DependencyContext

use of org.apache.felix.dm.context.DependencyContext in project felix by apache.

the class ComponentImpl method remove.

@Override
public Component remove(final Dependency d) {
    getExecutor().execute(() -> {
        DependencyContext dc = (DependencyContext) d;
        // First remove this dependency from the dependency list
        m_dependencies.remove(d);
        generateNameBasedOnServiceAndProperties();
        // the removed dependency).
        if (!(m_state == ComponentState.INACTIVE)) {
            dc.stop();
        }
        // Finally, cleanup the dependency events.
        m_dependencyEvents.remove(d);
        handleChange();
    });
    return this;
}