Package org.apache.lucene.payloads
Class PayloadSpanUtil
- java.lang.Object
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- org.apache.lucene.payloads.PayloadSpanUtil
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public class PayloadSpanUtil extends java.lang.Object
Experimental class to get set of payloads for most standard Lucene queries. Operates like Highlighter - IndexReader should only contain doc of interest, best to use MemoryIndex.
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Field Summary
Fields Modifier and Type Field Description private IndexReaderContext
context
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Constructor Summary
Constructors Constructor Description PayloadSpanUtil(IndexReaderContext context)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description private void
getPayloads(java.util.Collection<byte[]> payloads, SpanQuery query)
java.util.Collection<byte[]>
getPayloadsForQuery(Query query)
Query should be rewritten for wild/fuzzy support.private void
queryToSpanQuery(Query query, java.util.Collection<byte[]> payloads)
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Field Detail
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context
private IndexReaderContext context
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Constructor Detail
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PayloadSpanUtil
public PayloadSpanUtil(IndexReaderContext context)
- Parameters:
context
- that contains doc with payloads to extract- See Also:
IndexReader.getContext()
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Method Detail
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getPayloadsForQuery
public java.util.Collection<byte[]> getPayloadsForQuery(Query query) throws java.io.IOException
Query should be rewritten for wild/fuzzy support.- Parameters:
query
- rewritten query- Returns:
- payloads Collection
- Throws:
java.io.IOException
- if there is a low-level I/O error
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queryToSpanQuery
private void queryToSpanQuery(Query query, java.util.Collection<byte[]> payloads) throws java.io.IOException
- Throws:
java.io.IOException
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getPayloads
private void getPayloads(java.util.Collection<byte[]> payloads, SpanQuery query) throws java.io.IOException
- Throws:
java.io.IOException
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