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<title>RepeatOperations (null 4.0.0.BUILD-SNAPSHOT API)</title>
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<h2 title="Interface RepeatOperations" class="title">Interface RepeatOperations</h2>
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<pre>public interface <span class="typeNameLabel">RepeatOperations</span></pre>
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<div class="block">The main interface providing access to batch operations. The batch client is
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the <a href="../../../../org/springframework/batch/repeat/RepeatCallback.html" title="interface in org.springframework.batch.repeat"><code>RepeatCallback</code></a>, where a single item or record is processed. The
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batch behaviour, boundary conditions, transactions etc, are dealt with by the
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<a href="../../../../org/springframework/batch/repeat/RepeatOperations.html" title="interface in org.springframework.batch.repeat"><code>RepeatOperations</code></a> in such as way that the client does not need to know
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about them. The client may have access to framework abstractions, like
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template data sources, but these should work the same whether they are in a
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batch or not.</div>
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<dl>
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<dt><span class="simpleTagLabel">Author:</span></dt>
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<dd>Dave Syer</dd>
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<td class="colFirst"><code><a href="../../../../org/springframework/batch/repeat/RepeatStatus.html" title="enum in org.springframework.batch.repeat">RepeatStatus</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/springframework/batch/repeat/RepeatOperations.html#iterate-org.springframework.batch.repeat.RepeatCallback-">iterate</a></span>(<a href="../../../../org/springframework/batch/repeat/RepeatCallback.html" title="interface in org.springframework.batch.repeat">RepeatCallback</a> callback)</code>
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<div class="block">Execute the callback repeatedly, until a decision can be made to
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complete.</div>
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<h4>iterate</h4>
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<pre><a href="../../../../org/springframework/batch/repeat/RepeatStatus.html" title="enum in org.springframework.batch.repeat">RepeatStatus</a> iterate(<a href="../../../../org/springframework/batch/repeat/RepeatCallback.html" title="interface in org.springframework.batch.repeat">RepeatCallback</a> callback)
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throws <a href="../../../../org/springframework/batch/repeat/RepeatException.html" title="class in org.springframework.batch.repeat">RepeatException</a></pre>
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<div class="block">Execute the callback repeatedly, until a decision can be made to
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complete. The decision about how many times to execute or when to
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complete, and what to do in the case of an error is delegated to a
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<a href="../../../../org/springframework/batch/repeat/CompletionPolicy.html" title="interface in org.springframework.batch.repeat"><code>CompletionPolicy</code></a>.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>callback</code> - the batch callback.</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>the aggregate of the result of all the callback operations. An
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indication of whether the <a href="../../../../org/springframework/batch/repeat/RepeatOperations.html" title="interface in org.springframework.batch.repeat"><code>RepeatOperations</code></a> can continue
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processing if this method is called again.</dd>
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<dt><span class="throwsLabel">Throws:</span></dt>
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<dd><code><a href="../../../../org/springframework/batch/repeat/RepeatException.html" title="class in org.springframework.batch.repeat">RepeatException</a></code></dd>
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