Java BeanContextServices类代码示例

import com.googlecode.openbeans.beancontext.BeanContextServices; //导入依赖的package包/类
/**
 * Checks whether a service is registed in this context or the parent
 * context.
 * 
 * @param serviceClass
 *            the service class
 * @return true if the service is registered
 * @see com.googlecode.openbeans.beancontext.BeanContextServices#hasService(java.lang.Class)
 */
public boolean hasService(Class serviceClass) {
    if (serviceClass == null) {
        throw new NullPointerException();
    }

    boolean has;
    synchronized (services) {
        has = services.containsKey(serviceClass);
    }
    if (!has && getBeanContext() instanceof BeanContextServices) {
        has = ((BeanContextServices) getBeanContext())
                .hasService(serviceClass);
    }
    return has;
}
 

import com.googlecode.openbeans.beancontext.BeanContextServices; //导入依赖的package包/类
/**
 * Notify all listeners and children that implements
 * <code>BeanContextServices</code> of the event.
 * 
 * @see com.googlecode.openbeans.beancontext.BeanContextServicesListener#serviceAvailable(com.googlecode.openbeans.beancontext.BeanContextServiceAvailableEvent)
 */
public void serviceAvailable(BeanContextServiceAvailableEvent event) {
    if (null == event) {
        throw new NullPointerException(Messages.getString("beans.1C")); //$NON-NLS-1$
    }
    if (services.containsKey(event.serviceClass)) {
        return;
    }
    fireServiceAdded(event);
    Object childs[] = copyChildren();
    for (int i = 0; i < childs.length; i++) {
        if (childs[i] instanceof BeanContextServices) {
            ((BeanContextServices) childs[i]).serviceAvailable(event);
        }
    }
}
 

import com.googlecode.openbeans.beancontext.BeanContextServices; //导入依赖的package包/类
/**
 * Notify all listeners and children that implements
 * <code>BeanContextServices</code> of the event.
 * 
 * @see com.googlecode.openbeans.beancontext.BeanContextServiceRevokedListener#serviceRevoked(com.googlecode.openbeans.beancontext.BeanContextServiceRevokedEvent)
 */
public void serviceRevoked(BeanContextServiceRevokedEvent event) {
    if (null == event) {
        throw new NullPointerException(Messages.getString("beans.1C")); //$NON-NLS-1$
    }
    if (services.containsKey(event.serviceClass)) {
        return;
    }
    fireServiceRevoked(event);
    Object childs[] = copyChildren();
    for (int i = 0; i < childs.length; i++) {
        if (childs[i] instanceof BeanContextServices) {
            ((BeanContextServices) childs[i]).serviceRevoked(event);
        }
    }
}
 

import com.googlecode.openbeans.beancontext.BeanContextServices; //导入依赖的package包/类
public BeanContextServiceRevokedEvent(BeanContextServices bcs, Class sc,
        boolean invalidate) {

    super(bcs);
    this.serviceClass = sc;
    this.invalidateRefs = invalidate;        
}
 

import com.googlecode.openbeans.beancontext.BeanContextServices; //导入依赖的package包/类
/**
 * Delegate to the wrapped <code>BeanContextServices</code>.
 */
Object getService(BeanContextServices bcs, Object requestor,
        Class serviceClass, Object serviceSelector,
        BeanContextServiceRevokedListener listener)
        throws TooManyListenersException {
    return backBCS.getService(BeanContextServicesSupport.this
            .getBeanContextServicesPeer(), requestor, serviceClass,
            serviceSelector, new ServiceRevokedListenerDelegator(
                    listener));
}
 

import com.googlecode.openbeans.beancontext.BeanContextServices; //导入依赖的package包/类
private void notifyServiceAvailable(BeanContextServiceAvailableEvent event) {
    fireServiceAdded(event);
    Object childs[] = copyChildren();
    for (int i = 0; i < childs.length; i++) {
        if (childs[i] instanceof BeanContextServices) {
            ((BeanContextServices) childs[i]).serviceAvailable(event);
        }
    }
}
 

import com.googlecode.openbeans.beancontext.BeanContextServices; //导入依赖的package包/类
/**
 * Called after the parent context is updated. The implementation checks if
 * the parent context is a <code>BeanContextServices</code>. If it is,
 * then a <code>BCSSProxyServiceProvider</code> is created to delegate
 * service requests to the parent context.
 * 
 * @see com.googlecode.openbeans.beancontext.BeanContextChildSupport#initializeBeanContextResources()
 */
protected void initializeBeanContextResources() {
    super.initializeBeanContextResources();

    BeanContext context = getBeanContext();
    if (context instanceof BeanContextServices) {
        proxy = new BCSSProxyServiceProvider((BeanContextServices) context);
    } else {
        proxy = null;
    }
}
 

import com.googlecode.openbeans.beancontext.BeanContextServices; //导入依赖的package包/类
public BeanContextServices getSourceAsBeanContextServices() {
    return (BeanContextServices) super.getBeanContext();
}
 

import com.googlecode.openbeans.beancontext.BeanContextServices; //导入依赖的package包/类
BCSSProxyServiceProvider(BeanContextServices backBCS) {
    this.backBCS = backBCS;
}
 

import com.googlecode.openbeans.beancontext.BeanContextServices; //导入依赖的package包/类
/**
 * Throws <code>UnsupportedOperationException</code>.
 */
public Iterator getCurrentServiceSelectors(BeanContextServices bcs,
        Class serviceClass) {
    throw new UnsupportedOperationException();
}
 

import com.googlecode.openbeans.beancontext.BeanContextServices; //导入依赖的package包/类
/**
 * Delegate to the wrapped <code>BeanContextServices</code>.
 */
public void releaseService(BeanContextServices bcs, Object requestor,
        Object service) {
    backBCS.releaseService(BeanContextServicesSupport.this
            .getBeanContextServicesPeer(), requestor, service);
}
 

import com.googlecode.openbeans.beancontext.BeanContextServices; //导入依赖的package包/类
Object getService(BeanContextServices bcs, Object requestor, Class serviceClass,
Object serviceSelector);
 

import com.googlecode.openbeans.beancontext.BeanContextServices; //导入依赖的package包/类
public BeanContextServiceAvailableEvent(BeanContextServices bcs, Class sc) {
    super(bcs);
    this.serviceClass = sc;
}
 

import com.googlecode.openbeans.beancontext.BeanContextServices; //导入依赖的package包/类
public Iterator getCurrentServiceSelectors() {
    return ((BeanContextServices) super.source)
            .getCurrentServiceSelectors(serviceClass);
}
 

import com.googlecode.openbeans.beancontext.BeanContextServices; //导入依赖的package包/类
public BeanContextServices getSourceAsBeanContextServices() {
    return (BeanContextServices) super.source;
}