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OPEN - issue BATCH-823: Confusing explanation

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http://jira.springframework.org/browse/BATCH-823

Simplified the description of StepExecution
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lucasward
2008-10-09 05:09:12 +00:00
parent 8a440c3b85
commit 0a404494bb
1 changed files with 7 additions and 14 deletions
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21
docs/src/site/docbook/reference/core.xml
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@@ -615,20 +615,13 @@
<title id="stepExecution">StepExecution</title>
<para>A <classname>StepExecution</classname> represents a single attempt
to execute a <classname>Step</classname>. Using the example from
<classname>JobExecution</classname>, if there is a
<classname>JobInstance</classname> for the "EndOfDayJob", with
<classname>JobParameters</classname> of "01-01-2008" that fails to
successfully complete its work the first time it is run, when it is
executed again, a new <classname>StepExecution</classname> will be
created. Each of these step executions may represent a different
invocation of the batch framework, but they will all correspond to the
same <classname>JobInstance</classname>, just as multiple
<classname>JobExecutions</classname> belong to the same
<classname>JobInstance</classname>. However, if a step fails to execute
because the step before it fails, there will be no execution persisted
for it. An execution will only be created when the
<classname>Step</classname> is actually started.</para>
to execute a <classname>Step</classname>. A new
<classname>StepExecution</classname> will be created each time a Step is
run, similar to <classname>JobExecution</classname>. However, if a step
fails to execute because the step before it fails, there will be no
execution persisted for it. A <classname>StepExecution</classname> will
only be created when it's <classname>Step</classname> is actually
started.</para>
<para>Step executions are represented by objects of the
<classname>StepExecution</classname> class. Each execution contains a