package org.frameworkset.web.socket.sockjs; import org.frameworkset.schedule.TaskScheduler; public interface SockJsServiceConfig { /** * A scheduler instance to use for scheduling heart-beat messages. */ TaskScheduler getTaskScheduler(); /** * Streaming transports save responses on the client side and don't free * memory used by delivered messages. Such transports need to recycle the * connection once in a while. This property sets a minimum number of bytes * that can be send over a single HTTP streaming request before it will be * closed. After that client will open a new request. Setting this value to * one effectively disables streaming and will make streaming transports to * behave like polling transports. * <p>The default value is 128K (i.e. 128 * 1024). */ int getStreamBytesLimit(); /** * The amount of time in milliseconds when the server has not sent any * messages and after which the server should send a heartbeat frame to the * client in order to keep the connection from breaking. * <p>The default value is 25,000 (25 seconds). */ long getHeartbeatTime(); /** * The number of server-to-client messages that a session can cache while waiting for * the next HTTP polling request from the client. All HTTP transports use this * property since even streaming transports recycle HTTP requests periodically. * <p>The amount of time between HTTP requests should be relatively brief and will not * exceed the allows disconnect delay (see * {@link org.frameworkset.web.socket.sockjs.support.AbstractSockJsService#setDisconnectDelay(long)}, * 5 seconds by default. * <p>The default size is 100. */ int getHttpMessageCacheSize(); /** * The codec to use for encoding and decoding SockJS messages. * @exception IllegalStateException if no {@link SockJsMessageCodec} is available */ SockJsMessageCodec getMessageCodec(); }