nl.inl.blacklab.search.textpattern

Class TextPatternCombiner

java.lang.Object

nl.inl.blacklab.search.textpattern.TextPattern

nl.inl.blacklab.search.textpattern.TextPatternCombiner

Direct Known Subclasses:

TextPatternConstrained, TextPatternEdge, TextPatternNot, TextPatternOr, TextPatternPositionFilter

public abstract class TextPatternCombiner
extends TextPattern

Abstract base class for combining several text patterns into a single new compound TextPattern

Field Summary

Fields

Modifier and Type	Field and Description
protected List<TextPattern>	clauses

Fields inherited from class nl.inl.blacklab.search.textpattern.TextPattern

MAX_UNLIMITED

Constructor Summary

Constructors

Constructor and Description
TextPatternCombiner(TextPattern... clauses)

Method Summary

Modifier and Type	Method and Description
void	addClause(TextPattern clause)
boolean	equals(Object obj)
int	hashCode()
int	numberOfClauses()
void	replaceClause(TextPattern oldClause, TextPattern... newClauses)
abstract BLSpanQuery	translate(QueryExecutionContext context) Translate this TextPattern into a BLSpanQuery.

Methods inherited from class nl.inl.blacklab.search.textpattern.TextPattern

clausesToString, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

clauses

protected List<TextPattern> clauses

Constructor Detail

TextPatternCombiner

public TextPatternCombiner(TextPattern... clauses)

Method Detail

numberOfClauses

public int numberOfClauses()

translate

public abstract BLSpanQuery translate(QueryExecutionContext context)
                               throws InvalidQuery

Description copied from class: TextPattern

Translate this TextPattern into a BLSpanQuery.

Specified by:

translate in class TextPattern

Parameters:

context - query execution context to use

Returns:

result of the translation

Throws:

RegexpTooLarge - if a regular expression was too large

InvalidQuery - if something else was wrong about the query (e.g. error in regex expression)

addClause

public final void addClause(TextPattern clause)

replaceClause

public void replaceClause(TextPattern oldClause,
                          TextPattern... newClauses)

equals

public boolean equals(Object obj)

Specified by:

equals in class TextPattern

hashCode

public int hashCode()

Specified by:

hashCode in class TextPattern