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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.query.rewrite;
import com.yahoo.processing.request.CompoundName;
import com.yahoo.vespa.defaults.Defaults;
/**
* Contains common constant strings used by rewriters
*
* @author Karen Sze Wing Lee
*/
public class RewriterConstants {
/** Config flag for addUnitToOriginalQuery */
public static final String ORIGINAL_AS_UNIT = "OriginalAsUnit";
/** Config flag for addUnitEquivToOriginalQuery */
public static final String ORIGINAL_AS_UNIT_EQUIV = "OriginalAsUnitEquiv";
/** Config flag for addRewritesAsEquiv(false) */
public static final String REWRITES_AS_EQUIV = "RewritesAsEquiv";
/** Config flag for addRewritesAsEquiv(true) */
public static final String REWRITES_AS_UNIT_EQUIV = "RewritesAsUnitEquiv";
/** Config flag for addExpansions */
public static final String PARTIAL_PHRASE_MATCH = "PartialPhraseMatch";
/** Config flag for max number of rewrites added per rewriter */
public static final String MAX_REWRITES = "MaxRewrites";
/** Config flag for considering QSS Rewrite in spell correction */
public static final String QSS_RW = "QSSRewrite";
/** Config flag for considering QSS Suggest in spell correction */
public static final String QSS_SUGG = "QSSSuggest";
/** Config flag for expansion index name */
public static final String EXPANSION_INDEX = "ExpansionIndex";
/** Name for market chain retrieval from user param */
public static final String REWRITER_CHAIN = "QRWChain";
/** Name for rewrite metadata retrieval from query properties */
public static final CompoundName REWRITE_META = CompoundName.from("RewriteMeta");
/** Name for rewritten field retrieval from query properties */
public static final String REWRITTEN = "Rewritten";
/** Name for new dictionary key field retrieval from query properties */
public static final String DICT_KEY = "DictKey";
/** Default dictionaries dir */
public static final String DEFAULT_DICT_DIR = Defaults.getDefaults().underVespaHome("share/qrw_data/");
}
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