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dhickin
2014-10-04 01:33:59 +01:00
parent efbdb722e7
commit 515282abfe
3 changed files with 38 additions and 38 deletions
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documentation/pvDataDiscussion.html
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@@ -70,11 +70,11 @@ license.</a></p>
more and more member functions.
These member functions have nothing to do with the primary primary
purpose for pvData:
<blockquote>pvData (Process Variable Data) defines and implements an efficent
<blockquote>pvData (Process Variable Data) defines and implements an efficient
way to store, access, and communicate memory resident data structures.</blockquote>
This statement appears as the first sentence of pvDataJava.html.
A few sentances later the document makes it clear that communication
includes efficent network communication.
A few sentences later the document makes it clear that communication
includes efficient network communication.
Thus pvData provides an interface for network accessible structured data.
The problem of adding member functions that have nothing to do with the primary purpose
started with the Java API.
@@ -82,7 +82,7 @@ It already had extra methods that solved problems that should have had a differe
This document removes the extra methods so that when new problems arise in the future
the solution will not involve adding new member functions to the introspection and data API.
</p>
<p>The introspection and data API for pvData should only encapuslate methods that support the primary purpose
<p>The introspection and data API for pvData should only encapsulate methods that support the primary purpose
stated above.
The interfaces for C++ and Java should be similar so that
someone who understands the interface in one of the languages
@@ -308,7 +308,7 @@ public interface PVDataCreate {
The existing Java implementation of toString displayed all elements.
For large arrays this is not desirable.
The new methods provide a way for the client to limit the number of elements.
The default might be set to something like display up to 10 elements with 5 fron the beginning and 5 from the end.</p>
The default might be set to something like display up to 10 elements with 5 from the beginning and 5 from the end.</p>
<p>For C++ this can be a replacement for dumpValue.</p>
<h3>PVBooleanArray, ..., PVStructureArray</h3>
<p>The old get and put are replaced by two new and simpler methods: