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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.prelude.query;
/**
* An interface used for anything which represents a single block of query input.
*
* @author Steinar Knutsen
*/
public interface BlockItem extends HasIndexItem {
/** The untransformed raw text from the user serving as base for this item. */
String getRawWord();
/** Returns the substring which is the origin of this item, or null if none */
Substring getOrigin();
/** Returns the value of this term as a string */
String stringValue();
/**
* Returns whether this block of text originates from a user and should therefore
* receive the normal processing applied to raw text (such as stemming).
*/
boolean isFromQuery();
boolean isStemmed();
/** Returns whether this item represents normal text */
boolean isWords();
/**
* If the block has to be resegmented, what operator should be chosen if it
* is necessary to change operator?
*/
SegmentingRule getSegmentingRule();
}
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