initOnce once.Init

	id         event.TargetID
	args       KafkaArgs
	client     sarama.Client
	producer   sarama.SyncProducer
	config     *sarama.Config
	store      store.Store[event.Event]
	batch      *store.Batch[event.Event]
	loggerOnce logger.LogOnce
	quitCh     chan struct{}
}

// ID - returns target ID.
func (target *KafkaTarget) ID() event.TargetID {
	return target.id
}

            if (!listeners.isEmpty()) {
                Event event = new DefaultEvent(session, ee, eventType);
                for (Listener listener : listeners) {
                    listener.onEvent(event);
                }
            }
        }
    }

    /**
     * Simple "conversion" from Maven3 event type enum to Maven4 enum.
     */
    protected EventType convert(ExecutionEvent.Type type) {

(this._pointerEvent) {\n      $(this._element).on(EVENT_POINTERDOWN, event => start(event))\n      $(this._element).on(EVENT_POINTERUP, event => end(event))\n\n      this._element.classList.add(CLASS_NAME_POINTER_EVENT)\n    } else {\n      $(this._element).on(EVENT_TOUCHSTART, event => start(event))\n      $(this._element).on(EVENT_TOUCHMOVE, event => move(event))\n      $(this._element).on(EVENT_TOUCHEND, event => end(event))\n    }\n  }\n\n  _keydown(event) {\n    if (/input|textarea/i.test(event.target.tagName))...

                var content = document.createTextNode(event.data)
                message.appendChild(content)
                messages.appendChild(message)
            };
            function sendMessage(event) {
                var input = document.getElementById("messageText")
                ws.send(input.value)
                input.value = ''
                event.preventDefault()
            }
        </script>
    </body>

import org.apache.maven.model.Model;

/**
 * Holds data relevant for a model building event.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface ModelBuildingEvent {

    /**
     * Gets the model being built. The precise state of this model depends on the event being fired.
     *
     * @return The model being built, never {@code null}.
     */

    }

    /**
     * Initializes the spy.
     *
     * @param context The event spy context, never {@code null}.
     */
    void init(Context context) throws Exception;

    /**
     * Notifies the spy of some build event/operation.
     *
     * @param event The event, never {@code null}.
     * @see org.apache.maven.api.services.SettingsBuilderRequest

(this._supportPointerEvents) {\n      EventHandler.on(this._element, EVENT_POINTERDOWN, event => this._start(event))\n      EventHandler.on(this._element, EVENT_POINTERUP, event => this._end(event))\n\n      this._element.classList.add(CLASS_NAME_POINTER_EVENT)\n    } else {\n      EventHandler.on(this._element, EVENT_TOUCHSTART, event => this._start(event))\n      EventHandler.on(this._element, EVENT_TOUCHMOVE, event => this._move(event))\n      EventHandler.on(this._element, EVENT_TOUCHEND, event => this._end(event))\n...

    yield ServerSentEvent(data={"status": "started"}, event="status", id="1")
    yield ServerSentEvent(data={"progress": 50}, event="progress", id="2")
```

Use `raw_data` instead of `data` to send pre-formatted strings without JSON encoding:

```python
yield ServerSentEvent(raw_data="plain text line", event="log")
```

## Stream bytes

//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package event

import (
	"encoding/xml"
	"fmt"
)

// IsEventError - checks whether given error is event error or not.
func IsEventError(err error) bool {
	switch err.(type) {
	case ErrInvalidFilterName, *ErrInvalidFilterName:
		return true

{* ../../docs_src/server_sent_events/tutorial003_py310.py hl[17] *}

/// note | 注意

`data` 和 `raw_data` 是互斥的。每个 `ServerSentEvent` 上只能设置其中一个。

///

## 使用 `Last-Event-ID` 恢复 { #resuming-with-last-event-id }

当连接中断后浏览器重新连接时，会在 `Last-Event-ID` 头中发送上次收到的 `id`。

你可以将其读取为一个请求头参数，并据此从客户端离开的地方恢复流：

{* ../../docs_src/server_sent_events/tutorial004_py310.py hl[25,27,31] *}

## 使用 POST 的 SSE { #sse-with-post }