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aqhome: make datafile a virtual class. Add datafile_direct.

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this is to allow for cached data file handling later.
This commit is contained in:
Martin Preuss
2024-02-11 22:21:49 +01:00
parent 5888bc9068
commit 793d12693b
8 changed files with 636 additions and 458 deletions
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154
aqhome/data/datafile.t2d Normal file
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<?xml?>
<tm2>
<type id="AQH_DATAFILE" type="pointer">
<descr>
This class contains changelog information,
</descr>
<lang id="c">
<identifier>AQH_DATAFILE</identifier>
<prefix>AQH_DataFile</prefix>
<baseFileName>datafile</baseFileName>
<flags>
nocopy
nodup
with_inherit
with_list1
with_refcount
</flags>
<headers>
<header type="sys" loc="pre">aqhome/api.h</header>
</headers>
<inlines>
</inlines>
</lang>
<enums>
</enums>
<members>
<member name="valueId" type="uint64_t" maxlen="8">
<default>0</default>
<preset>0</preset>
<flags>with_getbymember</flags>
<access>public</access>
</member>
</members>
<virtualFns>
<!-- Database functions -->
<fn name="create" location="post" >
<descr>
</descr>
<access>public</access>
<returnType>int</returnType>
<defaultReturnValue>GWEN_ERROR_NOT_IMPLEMENTED</defaultReturnValue>
<params>
</params>
</fn>
<fn name="open" location="post" >
<descr>
</descr>
<access>public</access>
<returnType>int</returnType>
<defaultReturnValue>GWEN_ERROR_NOT_IMPLEMENTED</defaultReturnValue>
<params>
</params>
</fn>
<fn name="close" location="post" >
<descr>
</descr>
<access>public</access>
<returnType>int</returnType>
<defaultReturnValue>GWEN_ERROR_NOT_IMPLEMENTED</defaultReturnValue>
<params>
</params>
</fn>
<fn name="getNumberOfEntries" location="post" >
<descr>
</descr>
<access>public</access>
<returnType>uint64_t</returnType>
<defaultReturnValue>0</defaultReturnValue>
<params>
</params>
</fn>
<fn name="readRecord" location="post" >
<descr>
</descr>
<access>public</access>
<returnType>int</returnType>
<defaultReturnValue>GWEN_ERROR_NOT_IMPLEMENTED</defaultReturnValue>
<params>
<param type="uint64_t" name="idx" >
<descr>
</descr>
</param>
<param type="uint64_t*" name="pTimestamp" >
<descr>
</descr>
</param>
<param type="double*" name="pValue" >
<descr>
</descr>
</param>
</params>
</fn>
<fn name="appendRecord" location="post" >
<descr>
</descr>
<access>public</access>
<returnType>int</returnType>
<defaultReturnValue>GWEN_ERROR_NOT_IMPLEMENTED</defaultReturnValue>
<params>
<param type="uint64_t" name="timestamp" >
<descr>
</descr>
</param>
<param type="double" name="value" >
<descr>
</descr>
</param>
</params>
</fn>
</virtualFns>
</type>
</tm2>