org.lsst.ccs.subsystem.shutter.plc

Class TakeExposure

java.lang.Object

org.lsst.ccs.subsystem.shutter.plc.PLCMsg

org.lsst.ccs.subsystem.shutter.plc.MsgToPLC

org.lsst.ccs.subsystem.shutter.plc.TakeExposure

public class TakeExposure
extends MsgToPLC

Signals the PLC to take an exposure.

Author:

tether

Field Summary

Fields inherited from class org.lsst.ccs.subsystem.shutter.plc.MsgToPLC

subsystemUUID

Fields inherited from class org.lsst.ccs.subsystem.shutter.plc.PLCMsg

MESSAGE_SET_VERSION

Constructor Summary

Constructors

Constructor and Description
TakeExposure(ByteBuffer data) Reads and converts the PLC form of the message.
TakeExposure(Duration exposureTime) Constructs from scratch.

Method Summary

Modifier and Type	Method and Description
void	encode(ByteBuffer data) Converts the message fields to PLC form and appends them to a byte buffer.
String	toString() Converts the message to a readable string.

Methods inherited from class org.lsst.ccs.subsystem.shutter.plc.MsgToPLC

hasSameIdent

Methods inherited from class org.lsst.ccs.subsystem.shutter.plc.PLCMsg

getVersion, messageVersionIsBad

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

TakeExposure

public TakeExposure(Duration exposureTime)

Constructs from scratch.

TakeExposure

public TakeExposure(ByteBuffer data)

Reads and converts the PLC form of the message.

Parameters:

data - Holds the PLC message data.

Method Detail

encode

public void encode(ByteBuffer data)

Description copied from class: PLCMsg

Converts the message fields to PLC form and appends them to a byte buffer.

Overrides:

encode in class MsgToPLC

Parameters:

data - Holds the PLC message data.

toString

public String toString()

Description copied from class: PLCMsg

Converts the message to a readable string.

Overrides:

toString in class MsgToPLC

Returns:

The string form of the message. The short message class name will come first followed by the field names and values enclosed in curly braces. For example, if message Foo is sent from CCS to the PLC it will inherit from MsgToPLC and look something like this: FooMessage{MsgToPLC{PLCMsg{...} ...} field1=val1, ...}