Bug 293357 [context] Switch annotation processing to JSR 330
bundles/org.eclipse.e4.core.commands/src/org/eclipse/e4/core/commands/internal/HandlerServiceImpl.java
}
	/*
	 * (non-Javadoc)
	 * 
	 * @seeorg.eclipse.e4.core.commands.EHandlerService#canExecute(org.eclipse.core.commands.
	 * ParameterizedCommand)
	 */
	public boolean canExecute(ParameterizedCommand command) {
		String commandId = command.getId();
		String handlerId = H_ID + commandId;
		Object handler = context.get(handlerId, lookupHandler(handlerId));
		if (handler == null) {
			return false;
		}
		addParmsToContext(command);
		return ((Boolean) ContextInjectionFactory.invoke(handler, METHOD_CAN_EXECUTE, context,
				Boolean.TRUE)).booleanValue();
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.e4.core.commands.EHandlerService#deactivateHandler(java.lang.String,
	 * java.lang.Object)
	 */
	public void deactivateHandler(String commandId, Object handler) {
		context.remove(H_ID + commandId + H_PREFIX);
	}
	/*
	 * (non-Javadoc)
	 *