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java.lang.Objectorg.apache.lucene.queryParser.QueryParser
org.apache.solr.search.SolrQueryParser
org.apache.solr.util.SolrPluginUtils.DisjunctionMaxQueryParser
public static class SolrPluginUtils.DisjunctionMaxQueryParser
A subclass of SolrQueryParser that supports aliasing fields for constructing DisjunctionMaxQueries.
Nested Class Summary | |
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protected static class |
SolrPluginUtils.DisjunctionMaxQueryParser.Alias
A simple container for storing alias info |
Nested classes/interfaces inherited from class org.apache.lucene.queryParser.QueryParser |
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org.apache.lucene.queryParser.QueryParser.Operator |
Field Summary | |
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protected java.util.Map<java.lang.String,SolrPluginUtils.DisjunctionMaxQueryParser.Alias> |
aliases
Where we store a map from field name we expect to see in our query string, to Alias object containing the fields to use in our DisjunctionMaxQuery and the tiebreaker to use. |
Fields inherited from class org.apache.solr.search.SolrQueryParser |
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schema |
Fields inherited from class org.apache.lucene.queryParser.QueryParser |
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AND_OPERATOR, jj_nt, lookingAhead, OR_OPERATOR, token, token_source |
Fields inherited from interface org.apache.lucene.queryParser.QueryParserConstants |
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_ESCAPED_CHAR, _NUM_CHAR, _TERM_CHAR, _TERM_START_CHAR, _WHITESPACE, AND, Boost, CARAT, COLON, DEFAULT, EOF, FUZZY_SLOP, LPAREN, MINUS, NOT, NUMBER, OR, PLUS, PREFIXTERM, QUOTED, RangeEx, RANGEEX_END, RANGEEX_GOOP, RANGEEX_QUOTED, RANGEEX_START, RANGEEX_TO, RangeIn, RANGEIN_END, RANGEIN_GOOP, RANGEIN_QUOTED, RANGEIN_START, RANGEIN_TO, RPAREN, STAR, TERM, tokenImage, WILDTERM |
Constructor Summary | |
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SolrPluginUtils.DisjunctionMaxQueryParser(IndexSchema s)
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SolrPluginUtils.DisjunctionMaxQueryParser(IndexSchema s,
java.lang.String defaultField)
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Method Summary | |
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void |
addAlias(java.lang.String field,
float tiebreaker,
java.util.Map<java.lang.String,java.lang.Float> fieldBoosts)
Add an alias to this query parser. |
protected org.apache.lucene.search.Query |
getFieldQuery(java.lang.String field,
java.lang.String queryText)
Delegates to the super class unless the field has been specified as an alias -- in which case we recurse on each of the aliased fields, and the results are composed into a DisjunctionMaxQuery. |
Methods inherited from class org.apache.solr.search.SolrQueryParser |
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getPrefixQuery, getRangeQuery |
Methods inherited from class org.apache.lucene.queryParser.QueryParser |
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addClause, Clause, Conjunction, disable_tracing, enable_tracing, escape, generateParseException, getAllowLeadingWildcard, getAnalyzer, getBooleanQuery, getBooleanQuery, getDateResolution, getDefaultOperator, getField, getFieldQuery, getFuzzyMinSim, getFuzzyPrefixLength, getFuzzyQuery, getLocale, getLowercaseExpandedTerms, getNextToken, getPhraseSlop, getToken, getUseOldRangeQuery, getWildcardQuery, main, Modifiers, parse, Query, ReInit, ReInit, setAllowLeadingWildcard, setDateResolution, setDateResolution, setDefaultOperator, setFuzzyMinSim, setFuzzyPrefixLength, setLocale, setLowercaseExpandedTerms, setPhraseSlop, setUseOldRangeQuery, Term, TopLevelQuery |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected java.util.Map<java.lang.String,SolrPluginUtils.DisjunctionMaxQueryParser.Alias> aliases
Constructor Detail |
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public SolrPluginUtils.DisjunctionMaxQueryParser(IndexSchema s, java.lang.String defaultField)
public SolrPluginUtils.DisjunctionMaxQueryParser(IndexSchema s)
Method Detail |
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public void addAlias(java.lang.String field, float tiebreaker, java.util.Map<java.lang.String,java.lang.Float> fieldBoosts)
field
- the field name that should trigger alias mappingfieldBoosts
- the mapping from fieldname to boost value that
should be used to build up the clauses of the
DisjunctionMaxQuery.tiebreaker
- to the tiebreaker to be used in the
DisjunctionMaxQuerySolrPluginUtils.parseFieldBoosts(java.lang.String)
protected org.apache.lucene.search.Query getFieldQuery(java.lang.String field, java.lang.String queryText) throws org.apache.lucene.queryParser.ParseException
getFieldQuery
in class SolrQueryParser
org.apache.lucene.queryParser.ParseException
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