org.compass.core.lucene
Class LuceneEnvironment.QueryParser

java.lang.Object
  org.compass.core.lucene.LuceneEnvironment.QueryParser

Enclosing class:

LuceneEnvironment

public abstract static class LuceneEnvironment.QueryParser
extends Object

Settings for different query parser implementations.

Field Summary

static String	DEFAULT_GROUP The default query parser group that must be set.
static String	DEFAULT_PARSER_ALLOW_CONSTANT_SCORE_PREFIX_QUERY The default parsers implementation allows to use contanst score prefix query.
static String	DEFAULT_PARSER_ALLOW_LEADING_WILDCARD The default parsers implementation allows to set if leading wildcards are allowed or not.
static String	DEFAULT_PARSER_DEFAULT_OPERATOR The default operator when parsing query strings.
static String	DEFAULT_PARSER_FUZZY_MIN_SIMILARITY The minimum fuzzy similarity for the query parser.
static String	DEFAULT_PARSER_FUZZY_PERFIX_LENGTH Get the prefix length for fuzzy queries.
static String	PREFIX The prefix used for query parser groups.
static String	SPELLCHECK_GROUP The spell check group.
static String	TYPE The type of the query parser.

Constructor Summary

LuceneEnvironment.QueryParser()

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PREFIX

public static final String PREFIX

The prefix used for query parser groups.

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Constant Field Values

TYPE

public static final String TYPE

The type of the query parser. A fully qualified class name or an actual instance, must implement LuceneQueryParser.

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Constant Field Values

DEFAULT_GROUP

public static final String DEFAULT_GROUP

The default query parser group that must be set.

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Constant Field Values

SPELLCHECK_GROUP

public static final String SPELLCHECK_GROUP

The spell check group.

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Constant Field Values

DEFAULT_PARSER_ALLOW_LEADING_WILDCARD

public static final String DEFAULT_PARSER_ALLOW_LEADING_WILDCARD

The default parsers implementation allows to set if leading wildcards are allowed or not. Boolen value defaults to true.

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Constant Field Values

DEFAULT_PARSER_ALLOW_CONSTANT_SCORE_PREFIX_QUERY

public static final String DEFAULT_PARSER_ALLOW_CONSTANT_SCORE_PREFIX_QUERY

The default parsers implementation allows to use contanst score prefix query. Constnat score prefix query allows for faster prefix queries but lack in highlighting support. Boolen value. Defaults to true.

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Constant Field Values

DEFAULT_PARSER_FUZZY_MIN_SIMILARITY

public static final String DEFAULT_PARSER_FUZZY_MIN_SIMILARITY

The minimum fuzzy similarity for the query parser. Default to 0.5f.

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Constant Field Values

DEFAULT_PARSER_FUZZY_PERFIX_LENGTH

public static final String DEFAULT_PARSER_FUZZY_PERFIX_LENGTH

Get the prefix length for fuzzy queries. Default to 0.

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Constant Field Values

DEFAULT_PARSER_DEFAULT_OPERATOR

public static final String DEFAULT_PARSER_DEFAULT_OPERATOR

The default operator when parsing query strings. Defaults to AND. Can be either AND or OR.

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Constant Field Values

Constructor Detail

LuceneEnvironment.QueryParser

public LuceneEnvironment.QueryParser()