de.ipcon.db.oql

Class TextQueryLexer

java.lang.Object

de.ipcon.db.oql.TextQueryLexer

All Implemented Interfaces:

java.util.Iterator<TextQueryTerm>

public class TextQueryLexer
extends java.lang.Object
implements java.util.Iterator<TextQueryTerm>

A class to separate a users input into 'terms', each of them may ask to

• supply a search term (aka 'may')
• supply a mandatory term (aka 'must')
• supply a forbidden term (aka 'mustnt')
• raw query fragment

Author:

Patric Bechtel

Field Summary

Fields

Modifier and Type	Field and Description
static char	DQUOTES
static char	SQUOTES

Constructor Summary

Constructors

Constructor and Description
TextQueryLexer(java.lang.String input)

Method Summary

Modifier and Type	Method and Description
boolean	hasNext()
TextQueryTerm	next()
void	remove()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Detail

DQUOTES

public static final char DQUOTES

See Also:

Constant Field Values

SQUOTES

public static final char SQUOTES

See Also:

Constant Field Values

Constructor Detail

TextQueryLexer

public TextQueryLexer(java.lang.String input)

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<TextQueryTerm>

next

public TextQueryTerm next()

Specified by:

next in interface java.util.Iterator<TextQueryTerm>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<TextQueryTerm>