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package javax.ws.rs.sse;

/**
 * Server-side entry point for creating {@link OutboundSseEvent} and {@link SseBroadcaster}.
 * 

* Instance of this interface can be injected into a field or as a parameter of a method or * a constructor. Also, the instance is thread safe, meaning that it can be shared and its * method invoked from different threads without causing inconsistent internal state. * * @author Marek Potociar (marek.potociar at oracle.com) * @since 2.1 */ public interface Sse { /** * Get a new outbound event builder. * * @return SSE outbound event builder. */ OutboundSseEvent.Builder newEventBuilder(); /** * Create new {@link OutboundSseEvent} from provided data. *

* The data can be string only and must not be null. * * @param data event data. * @return created {@code OutboundSseEvent}. */ default OutboundSseEvent newEvent(String data) { if (data == null) { throw new IllegalArgumentException("Parameter 'data' must not be null."); } return newEventBuilder().data(String.class, data).build(); } /** * Create new {@link OutboundSseEvent} from provided data and name. * * @param name event name. (see {@link OutboundSseEvent#getName()}). * @param data event data. * @return created {@code OutboundSseEvent}. */ default OutboundSseEvent newEvent(String name, String data) { if (data == null) { throw new IllegalArgumentException("Parameter 'data' must not be null."); } if (name == null) { throw new IllegalArgumentException("Parameter 'name' must not be null."); } return newEventBuilder().data(String.class, data).name(name).build(); } /** * Get a new Server-sent event broadcaster. * * @return new Server-sent event broadcaster instance. */ SseBroadcaster newBroadcaster(); }





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