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https://issues.apache.org/jira/browse/LUCENE-1001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12621578#action_12621578
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Grant Ingersoll commented on LUCENE-1001:
-----------------------------------------
TestBoostingTermQuery.testNoPayload now fails for me.
Also noticed some extraneous System.out.println.
> Add Payload retrieval to Spans
> ------------------------------
>
> Key: LUCENE-1001
> URL: https://issues.apache.org/jira/browse/LUCENE-1001
> Project: Lucene - Java
> Issue Type: New Feature
> Components: Search
> Reporter: Grant Ingersoll
> Assignee: Grant Ingersoll
> Priority: Minor
> Fix For: 2.4
>
> Attachments: LUCENE-1001.patch, LUCENE-1001.patch, LUCENE-1001.patch,
> LUCENE-1001.patch, LUCENE-1001.patch
>
>
> It will be nice to have access to payloads when doing SpanQuerys.
> See http://www.gossamer-threads.com/lists/lucene/java-dev/52270 and
> http://www.gossamer-threads.com/lists/lucene/java-dev/51134
> Current API, added to Spans.java is below. I will try to post a patch as
> soon as I can figure out how to make it work for unordered spans (I believe I
> have all the other cases working).
> {noformat}
> /**
> * Returns the payload data for the current span.
> * This is invalid until [EMAIL PROTECTED] #next()} is called for
> * the first time.
> * This method must not be called more than once after each call
> * of [EMAIL PROTECTED] #next()}. However, payloads are loaded lazily,
> * so if the payload data for the current position is not needed,
> * this method may not be called at all for performance reasons.<br>
> * <br>
> * <p><font color="#FF0000">
> * WARNING: The status of the <b>Payloads</b> feature is experimental.
> * The APIs introduced here might change in the future and will not be
> * supported anymore in such a case.</font>
> *
> * @return a List of byte arrays containing the data of this payload
> * @throws IOException
> */
> // TODO: Remove warning after API has been finalized
> List/*<byte[]>*/ getPayload() throws IOException;
> /**
> * Checks if a payload can be loaded at this position.
> * <p/>
> * Payloads can only be loaded once per call to
> * [EMAIL PROTECTED] #next()}.
> * <p/>
> * <p><font color="#FF0000">
> * WARNING: The status of the <b>Payloads</b> feature is experimental.
> * The APIs introduced here might change in the future and will not be
> * supported anymore in such a case.</font>
> *
> * @return true if there is a payload available at this position that can
> be loaded
> */
> // TODO: Remove warning after API has been finalized
> public boolean isPayloadAvailable();
> {noformat}
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