PushConstants (vaadin-all 7.7.46 API)

java.lang.Object
- com.vaadin.shared.communication.PushConstants

All Implemented Interfaces:

Serializable
```
public class PushConstants
extends Object
implements Serializable
```
Shared constants used by push.

Since:

7.1

Author:

Vaadin Ltd

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type	Field	Description
`static char`	`MESSAGE_DELIMITER`	The character used to mark message boundaries when messages may be split into multiple fragments.
`static int`	`WEBSOCKET_BUFFER_SIZE`	The size, in bytes, of the receiving buffer used by some servers.
`static int`	`WEBSOCKET_FRAGMENT_SIZE`	The maximum size, in characters, of a websocket message fragment.

Constructor Summary

Constructors
Constructor Description

PushConstants()

Method Summary
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - WEBSOCKET_BUFFER_SIZE
```
public static final int WEBSOCKET_BUFFER_SIZE
```
    The size, in bytes, of the receiving buffer used by some servers.
    Should not be set to a value equal to or greater than 32768 due to a Jetty 9.1 issue (see #13087)
    
    See Also:
    
    Constant Field Values
  - WEBSOCKET_FRAGMENT_SIZE
```
public static final int WEBSOCKET_FRAGMENT_SIZE
```
    The maximum size, in characters, of a websocket message fragment. This is a conservative maximum chosen so that the size in bytes will not exceed WEBSOCKET_BUFFER_SIZE given a UTF-8 encoded message.
    
    See Also:
    
    Constant Field Values
  - MESSAGE_DELIMITER
```
public static final char MESSAGE_DELIMITER
```
    The character used to mark message boundaries when messages may be split into multiple fragments.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - PushConstants
```
public PushConstants()
```