Constants (ca 1.3.2 API)

java.lang.Object
- org.epics.ca.Constants

public class Constants
extends java.lang.Object

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

static class Constants.ChannelProperties

Nested Classes
Modifier and Type	Class and Description
`static class`	`Constants.ChannelProperties`

Field Summary

Fields
Modifier and Type	Field and Description
`static short`	`CA_DEFAULT_PRIORITY` Default priority (corresponds to POSIX SCHED_OTHER)
`static long`	`CA_ECHO_TIMEOUT` Echo (state-of-health message) response timeout in ms.
`static short`	`CA_EXTENDED_MESSAGE_HEADER_SIZE` CA protocol message extended header size.
`static java.lang.String`	`CA_HOSTNAME_KEY` String value of the JVM property key to provide (override) hostname.
`static short`	`CA_MAJOR_PROTOCOL_REVISION` CA protocol major revision (implemented by this library).
`static short`	`CA_MESSAGE_HEADER_SIZE` CA protocol message header size.
`static short`	`CA_MINOR_PROTOCOL_REVISION` CA protocol minor revision (implemented by this library).
`static int`	`CA_PROTO_ACCESS_RIGHT_READ` Read access right mask.
`static int`	`CA_PROTO_ACCESS_RIGHT_WRITE` Write access right mask.
`static int`	`CA_REPEATER_INITIAL_REGISTRATION_DELAY` Initial delay in milliseconds between creation of a new Context and the first attempt to register with the CA Repeater.
`static int`	`CA_REPEATER_REGISTRATION_INTERVAL` CA Repeater attempted registration interval in milliseconds.
`static short`	`CA_SEARCH_DONTREPLY` Do not require response for CA search request.
`static short`	`CA_SEARCH_DOREPLY` Require response (even if not found) for CA search request over TCP.
`static java.lang.String`	`CA_STRIP_HOSTNAME` String value of the JVM property key which specifies whether to strip the hostname returned by InetAddress.getLocalHost().getHostName().
`static short`	`CA_UNKNOWN_MINOR_PROTOCOL_REVISION` Unknown CA protocol minor revision.
`static short`	`CHANNEL_PRIORITY_ARCHIVE` Archive priority.
`static short`	`CHANNEL_PRIORITY_DEFAULT` Default priority.
`static short`	`CHANNEL_PRIORITY_LINKS_DB` DB links priority.
`static short`	`CHANNEL_PRIORITY_MAX` Maximal priority.
`static short`	`CHANNEL_PRIORITY_MIN` Minimal priority.
`static short`	`CHANNEL_PRIORITY_OPI` OPI priority.
`static int`	`MAX_STRING_SIZE` Max.
`static int`	`MAX_TCP_RECV` TCP maximum receive message size.
`static int`	`MAX_UDP_RECV` UDP maximum receive message size.
`static int`	`MAX_UDP_SEND` UDP maximum send message size.
`static int`	`UNREASONABLE_CHANNEL_NAME_LENGTH` Unreasonable channel name length.

Constructor Summary

Constructors
Constructor and Description

Constants()

Constructors
Constructor and Description
`Constants()`

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

- Field Detail
  - CA_STRIP_HOSTNAME
```
public static final java.lang.String CA_STRIP_HOSTNAME
```
    String value of the JVM property key which specifies whether to strip the hostname returned by InetAddress.getLocalHost().getHostName().
    
    See Also:
    
    Constant Field Values
  - CA_HOSTNAME_KEY
```
public static final java.lang.String CA_HOSTNAME_KEY
```
    String value of the JVM property key to provide (override) hostname.
    
    See Also:
    
    Constant Field Values
  - CHANNEL_PRIORITY_MIN
```
public static final short CHANNEL_PRIORITY_MIN
```
    Minimal priority.
    
    See Also:
    
    Constant Field Values
  - CHANNEL_PRIORITY_MAX
```
public static final short CHANNEL_PRIORITY_MAX
```
    Maximal priority.
    
    See Also:
    
    Constant Field Values
  - CHANNEL_PRIORITY_DEFAULT
```
public static final short CHANNEL_PRIORITY_DEFAULT
```
    Default priority.
    
    See Also:
    
    Constant Field Values
  - CHANNEL_PRIORITY_LINKS_DB
```
public static final short CHANNEL_PRIORITY_LINKS_DB
```
    DB links priority.
    
    See Also:
    
    Constant Field Values
  - CHANNEL_PRIORITY_ARCHIVE
```
public static final short CHANNEL_PRIORITY_ARCHIVE
```
    Archive priority.
    
    See Also:
    
    Constant Field Values
  - CHANNEL_PRIORITY_OPI
```
public static final short CHANNEL_PRIORITY_OPI
```
    OPI priority.
    
    See Also:
    
    Constant Field Values
  - CA_MAJOR_PROTOCOL_REVISION
```
public static final short CA_MAJOR_PROTOCOL_REVISION
```
    CA protocol major revision (implemented by this library).
    
    See Also:
    
    Constant Field Values
  - CA_MINOR_PROTOCOL_REVISION
```
public static final short CA_MINOR_PROTOCOL_REVISION
```
    CA protocol minor revision (implemented by this library).
    
    See Also:
    
    Constant Field Values
  - CA_UNKNOWN_MINOR_PROTOCOL_REVISION
```
public static final short CA_UNKNOWN_MINOR_PROTOCOL_REVISION
```
    Unknown CA protocol minor revision.
    
    See Also:
    
    Constant Field Values
  - CA_REPEATER_INITIAL_REGISTRATION_DELAY
```
public static final int CA_REPEATER_INITIAL_REGISTRATION_DELAY
```
    Initial delay in milliseconds between creation of a new Context and the first attempt to register with the CA Repeater.
    
    See Also:
    
    Constant Field Values
  - CA_REPEATER_REGISTRATION_INTERVAL
```
public static final int CA_REPEATER_REGISTRATION_INTERVAL
```
    CA Repeater attempted registration interval in milliseconds.
    
    See Also:
    
    Constant Field Values
  - CA_MESSAGE_HEADER_SIZE
```
public static final short CA_MESSAGE_HEADER_SIZE
```
    CA protocol message header size.
    
    See Also:
    
    Constant Field Values
  - CA_EXTENDED_MESSAGE_HEADER_SIZE
```
public static final short CA_EXTENDED_MESSAGE_HEADER_SIZE
```
    CA protocol message extended header size.
    
    See Also:
    
    Constant Field Values
  - MAX_UDP_SEND
```
public static final int MAX_UDP_SEND
```
    UDP maximum send message size. MAX_UDP: 1500 (max of Ethernet and 802.{2,3} MTU) - 20(IP) - 8(UDP) (the MTU of Ethernet is currently independent of its speed variant)
    
    See Also:
    
    Constant Field Values
  - MAX_UDP_RECV
```
public static final int MAX_UDP_RECV
```
    UDP maximum receive message size.
    
    See Also:
    
    Constant Field Values
  - MAX_TCP_RECV
```
public static final int MAX_TCP_RECV
```
    TCP maximum receive message size.
    
    See Also:
    
    Constant Field Values
  - CA_DEFAULT_PRIORITY
```
public static final short CA_DEFAULT_PRIORITY
```
    Default priority (corresponds to POSIX SCHED_OTHER)
    
    See Also:
    
    Constant Field Values
  - CA_PROTO_ACCESS_RIGHT_READ
```
public static final int CA_PROTO_ACCESS_RIGHT_READ
```
    Read access right mask.
    
    See Also:
    
    Constant Field Values
  - CA_PROTO_ACCESS_RIGHT_WRITE
```
public static final int CA_PROTO_ACCESS_RIGHT_WRITE
```
    Write access right mask.
    
    See Also:
    
    Constant Field Values
  - CA_SEARCH_DONTREPLY
```
public static final short CA_SEARCH_DONTREPLY
```
    Do not require response for CA search request.
    
    See Also:
    
    Constant Field Values
  - CA_SEARCH_DOREPLY
```
public static final short CA_SEARCH_DOREPLY
```
    Require response (even if not found) for CA search request over TCP.
    
    See Also:
    
    Constant Field Values
  - CA_ECHO_TIMEOUT
```
public static final long CA_ECHO_TIMEOUT
```
    Echo (state-of-health message) response timeout in ms.
    
    See Also:
    
    Constant Field Values
  - MAX_STRING_SIZE
```
public static final int MAX_STRING_SIZE
```
    Max. (requested) string size.
    
    See Also:
    
    Constant Field Values
  - UNREASONABLE_CHANNEL_NAME_LENGTH
```
public static final int UNREASONABLE_CHANNEL_NAME_LENGTH
```
    Unreasonable channel name length.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - Constants
```
public Constants()
```

Class Constants

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

CA_STRIP_HOSTNAME

CA_HOSTNAME_KEY

CHANNEL_PRIORITY_MIN

CHANNEL_PRIORITY_MAX

CHANNEL_PRIORITY_DEFAULT

CHANNEL_PRIORITY_LINKS_DB

CHANNEL_PRIORITY_ARCHIVE

CHANNEL_PRIORITY_OPI

CA_MAJOR_PROTOCOL_REVISION

CA_MINOR_PROTOCOL_REVISION

CA_UNKNOWN_MINOR_PROTOCOL_REVISION

CA_REPEATER_INITIAL_REGISTRATION_DELAY

CA_REPEATER_REGISTRATION_INTERVAL

CA_MESSAGE_HEADER_SIZE

CA_EXTENDED_MESSAGE_HEADER_SIZE

MAX_UDP_SEND

MAX_UDP_RECV

MAX_TCP_RECV

CA_DEFAULT_PRIORITY

CA_PROTO_ACCESS_RIGHT_READ

CA_PROTO_ACCESS_RIGHT_WRITE

CA_SEARCH_DONTREPLY

CA_SEARCH_DOREPLY

CA_ECHO_TIMEOUT

MAX_STRING_SIZE

UNREASONABLE_CHANNEL_NAME_LENGTH

Constructor Detail

Constants