org.opencypher.tools.g4tree

Class ElementWithCardinality

java.lang.Object

org.opencypher.tools.g4tree.ElementWithCardinality

All Implemented Interfaces:

Element, GrammarItem

Direct Known Subclasses:

Group, InOptional, OneOrMore, ZeroOrMore

public abstract class ElementWithCardinality
extends Object
implements Element

Nested Class Summary

Nested classes/interfaces inherited from interface org.opencypher.tools.g4tree.GrammarItem

GrammarItem.ItemType

Field Summary

Fields inherited from interface org.opencypher.tools.g4tree.GrammarItem

INDENT

Constructor Summary

Constructors

Constructor and Description
ElementWithCardinality(GrammarItem content)

Method Summary

Modifier and Type	Method and Description
GrammarItem	extractContent()
List<GrammarItem>	getChildren() get the child items as a list.
protected String	getContentStructure(String indent)
abstract int	getMin()
GrammarItem.ItemType	getType() what type, in terms of how to process its conversion to main grammar
boolean	isKeywordPart() Could this be part or all of a keyword ? Is either a letter or all of its parts are letters
boolean	isPlural() are there more than one of these items.
abstract boolean	isUnbounded()
GrammarItem	reachThrough() if this item is a wrapper round a single item, get that one.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.opencypher.tools.g4tree.GrammarItem

getStructure

Constructor Detail

ElementWithCardinality

public ElementWithCardinality(GrammarItem content)

Method Detail

getType

public GrammarItem.ItemType getType()

Description copied from interface: GrammarItem

what type, in terms of how to process its conversion to main grammar

Specified by:

getType in interface GrammarItem

Returns:

getChildren

public List<GrammarItem> getChildren()

Description copied from interface: GrammarItem

get the child items as a list. Terminals will return an empty list, non-lists will return a list of one.

Specified by:

getChildren in interface GrammarItem

Returns:

getMin

public abstract int getMin()

isUnbounded

public abstract boolean isUnbounded()

isPlural

public boolean isPlural()

Description copied from interface: GrammarItem

are there more than one of these items. Some serialisations will require brackets of some kind if there are

Specified by:

isPlural in interface GrammarItem

Returns:

true if there are multiple of these items.

isKeywordPart

public boolean isKeywordPart()

Description copied from interface: GrammarItem

Could this be part or all of a keyword ? Is either a letter or all of its parts are letters

Specified by:

isKeywordPart in interface GrammarItem

Returns:

true iff this could be part of a keyword

toString

public String toString()

Overrides:

toString in class Object

getContentStructure

protected String getContentStructure(String indent)

extractContent

public GrammarItem extractContent()

reachThrough

public GrammarItem reachThrough()

Description copied from interface: GrammarItem

if this item is a wrapper round a single item, get that one. A wrapper may affect cardinality, optionality etc.

Specified by:

reachThrough in interface GrammarItem

Returns:

the wrapped item, or this item itself it if isn't wrapper.