Package org.apache.calcite.runtime

Class Pattern.PatternBuilder

java.lang.Object

org.apache.calcite.runtime.Pattern.PatternBuilder

Enclosing interface:

Pattern

public static class Pattern.PatternBuilder
extends Object

Builds a pattern expression.

Method Summary

Modifier and Type	Method	Description
Automaton	automaton()	Returns the resulting automaton.
Pattern	build()	Returns the resulting pattern.
Pattern.PatternBuilder	optional()
Pattern.PatternBuilder	or()	Creates a pattern that matches either of the two patterns at the top of the stack, and pushes it onto the stack.
Pattern.PatternBuilder	plus()	Creates a pattern that matches the patterns at the top of the stack one or more times, and pushes it onto the stack.
Pattern.PatternBuilder	repeat(int minRepeat, int maxRepeat)
Pattern.PatternBuilder	seq()	Creates a pattern that matches the two patterns at the top of the stack in sequence, and pushes it onto the stack.
Pattern.PatternBuilder	star()	Creates a pattern that matches the patterns at the top of the stack zero or more times, and pushes it onto the stack.
Pattern.PatternBuilder	symbol(String symbolName)	Creates a pattern that matches symbol, and pushes it onto the stack.

Methods inherited from class java.lang.Object

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

Method Details

build

public Pattern build()

Returns the resulting pattern.

automaton

public Automaton automaton()

Returns the resulting automaton.

symbol

public Pattern.PatternBuilder symbol(String symbolName)

Creates a pattern that matches symbol, and pushes it onto the stack.

See Also:

• Pattern.SymbolPattern

seq

public Pattern.PatternBuilder seq()

Creates a pattern that matches the two patterns at the top of the stack in sequence, and pushes it onto the stack.

star

public Pattern.PatternBuilder star()

Creates a pattern that matches the patterns at the top of the stack zero or more times, and pushes it onto the stack.

plus

public Pattern.PatternBuilder plus()

Creates a pattern that matches the patterns at the top of the stack one or more times, and pushes it onto the stack.

or

public Pattern.PatternBuilder or()

Creates a pattern that matches either of the two patterns at the top of the stack, and pushes it onto the stack.

repeat

public Pattern.PatternBuilder repeat(int minRepeat,
 int maxRepeat)

optional

public Pattern.PatternBuilder optional()