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| Code Block | ||
|---|---|---|
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<record name="LCIORandomAccess">
There are two types of LCIORandomAccess records
file record -- one per file, always first record on file
index record -- one or more per file, points to associated LCIOIndex record
<block name="LCIORandomAccess" major="1" minor="0">
<data type="int" name="runMin"/>
<data type="int" name="eventMin"/>
<data type="int" name="runMax"/>
<data type="int" name="eventMax"/>
<data type="int" name="nRunHeaders"/>
<data type="int" name="nEvents"/>
<data type="int" name="recordsAreInOrder"/>
<data type="long" name="indexLocation">
Location in file off associated index. Always null for file record.
</data>
<data type="long" name="prevLocation">
For file record location of first index record in file
For index record location of previous index record (or null if first)
</data>
<data type="long" name="nextLocation">
For file record location of last index record in file
For index record location of next index record (or null if last)
</data>
<data type="long" name="firstRecordLocation">
For index record location of the first record associated with this block
</data>
</block>
</record>
|
| Code Block | ||
|---|---|---|
| ||
<record name="LCIOIndex">
<block name="LCIOIndex" major="1" minor="0">
<data type="int" name="controlWord">
Bit 0 = single Run
Bit 1 = long offset required
</data>
<data type="int" name="runMin"/>
<data type="long" name="baseOffset"/>
<data type="int" name="size"/>
<repeat count="size">
<if condition="(controlWord&1)==0">
<data type="int" name="runOffset">
Relative to runMin
</data>
</if>
<data type="int" name="eventNumber">
Event number, or -1 for run header records
</data>
<if condition="(controlWord&2)==1">
<data type="long" name="locationOffset">
Relative to baseOffset
</data>
<else/>
<data type="int" name="locationOffset">
Relative to baseOffset
</data>
</if>
</repeat>
</block>
</record>
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