Package org.epics.pvaccess.client

Interface ChannelArray

All Superinterfaces:

ChannelRequest, org.epics.pvdata.misc.Destroyable, Lockable

All Known Implementing Classes:

ChannelArrayRequestImpl

public interface ChannelArray
extends ChannelRequest

Request to put and get Array Data. The data is either taken from or put in the PVArray returned by ChannelArrayRequester.channelArrayConnect.

Author:

mrk

Method Summary

Modifier and Type	Method	Description
void	getArray(int offset, int count, int stride)	get from the remote array.
void	getLength()	Get the length and the capacity.
void	putArray(org.epics.pvdata.pv.PVArray putArray, int offset, int count, int stride)	put to the remote array.
void	setLength(int length)	Set the length and/or the capacity.

Methods inherited from interface org.epics.pvaccess.client.ChannelRequest

cancel, getChannel, lastRequest

Methods inherited from interface org.epics.pvdata.misc.Destroyable

destroy

Methods inherited from interface org.epics.pvaccess.client.Lockable

lock, unlock

Method Detail

putArray

void putArray(org.epics.pvdata.pv.PVArray putArray,
              int offset,
              int count,
              int stride)

put to the remote array.

Parameters:

putArray - array to put.

offset - The offset in the remote array, i.e. the PVArray returned by ChannelArrayRequester.channelArrayConnect.

count - The number of elements to put, 0 means "entire array".

stride - 1 means all the elements from offset to count, 2 means every other, 3 means every third, etc.

getArray

void getArray(int offset,
              int count,
              int stride)

get from the remote array.

Parameters:

offset - The offset in the remote array, i.e. the PVArray returned by ChannelArrayRequester.channelArrayConnect.

count - The number of elements to get, 0 means "till the end of array".

stride - 1 means all the elements from offset to count, 2 means every other, 3 means every third, etc.

getLength

void getLength()

Get the length and the capacity.

setLength

void setLength(int length)

Set the length and/or the capacity.

Parameters:

length - The new length.