GDLListener (GDL - Graph Definition Language 0.3 API)

All Superinterfaces:

org.antlr.v4.runtime.tree.ParseTreeListener

All Known Implementing Classes:

GDLBaseListener
```
public interface GDLListener
extends org.antlr.v4.runtime.tree.ParseTreeListener
```
This interface defines a complete listener for a parse tree produced by GDLParser.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`enterAndExpression(GDLParser.AndExpressionContext ctx)` Enter a parse tree produced by `GDLParser.andExpression()`.
`void`	`enterAtom(GDLParser.AtomContext ctx)` Enter a parse tree produced by `GDLParser.atom()`.
`void`	`enterComparisonElement(GDLParser.ComparisonElementContext ctx)` Enter a parse tree produced by `GDLParser.comparisonElement()`.
`void`	`enterComparisonExpression(GDLParser.ComparisonExpressionContext ctx)` Enter a parse tree produced by `GDLParser.comparisonExpression()`.
`void`	`enterDatabase(GDLParser.DatabaseContext ctx)` Enter a parse tree produced by `GDLParser.database()`.
`void`	`enterDefinition(GDLParser.DefinitionContext ctx)` Enter a parse tree produced by `GDLParser.definition()`.
`void`	`enterEdgeBody(GDLParser.EdgeBodyContext ctx)` Enter a parse tree produced by `GDLParser.edgeBody()`.
`void`	`enterEdgeLength(GDLParser.EdgeLengthContext ctx)` Enter a parse tree produced by `GDLParser.edgeLength()`.
`void`	`enterElementList(GDLParser.ElementListContext ctx)` Enter a parse tree produced by `GDLParser.elementList()`.
`void`	`enterExpression(GDLParser.ExpressionContext ctx)` Enter a parse tree produced by `GDLParser.expression()`.
`void`	`enterExpression2(GDLParser.Expression2Context ctx)` Enter a parse tree produced by `GDLParser.expression2()`.
`void`	`enterGraph(GDLParser.GraphContext ctx)` Enter a parse tree produced by `GDLParser.graph()`.
`void`	`enterHeader(GDLParser.HeaderContext ctx)` Enter a parse tree produced by `GDLParser.header()`.
`void`	`enterIncomingEdge(GDLParser.IncomingEdgeContext ctx)` Enter a parse tree produced by the `incomingEdge` labeled alternative in `GDLParser.edge()`.
`void`	`enterLabel(GDLParser.LabelContext ctx)` Enter a parse tree produced by `GDLParser.label()`.
`void`	`enterLiteral(GDLParser.LiteralContext ctx)` Enter a parse tree produced by `GDLParser.literal()`.
`void`	`enterMatch(GDLParser.MatchContext ctx)` Enter a parse tree produced by `GDLParser.match()`.
`void`	`enterNotExpression(GDLParser.NotExpressionContext ctx)` Enter a parse tree produced by `GDLParser.notExpression()`.
`void`	`enterOrExpression(GDLParser.OrExpressionContext ctx)` Enter a parse tree produced by `GDLParser.orExpression()`.
`void`	`enterOutgoingEdge(GDLParser.OutgoingEdgeContext ctx)` Enter a parse tree produced by the `outgoingEdge` labeled alternative in `GDLParser.edge()`.
`void`	`enterParenthesizedExpression(GDLParser.ParenthesizedExpressionContext ctx)` Enter a parse tree produced by `GDLParser.parenthesizedExpression()`.
`void`	`enterPath(GDLParser.PathContext ctx)` Enter a parse tree produced by `GDLParser.path()`.
`void`	`enterProperties(GDLParser.PropertiesContext ctx)` Enter a parse tree produced by `GDLParser.properties()`.
`void`	`enterProperty(GDLParser.PropertyContext ctx)` Enter a parse tree produced by `GDLParser.property()`.
`void`	`enterPropertyLookup(GDLParser.PropertyLookupContext ctx)` Enter a parse tree produced by `GDLParser.propertyLookup()`.
`void`	`enterQuery(GDLParser.QueryContext ctx)` Enter a parse tree produced by `GDLParser.query()`.
`void`	`enterVertex(GDLParser.VertexContext ctx)` Enter a parse tree produced by `GDLParser.vertex()`.
`void`	`enterWhere(GDLParser.WhereContext ctx)` Enter a parse tree produced by `GDLParser.where()`.
`void`	`enterXorExpression(GDLParser.XorExpressionContext ctx)` Enter a parse tree produced by `GDLParser.xorExpression()`.
`void`	`exitAndExpression(GDLParser.AndExpressionContext ctx)` Exit a parse tree produced by `GDLParser.andExpression()`.
`void`	`exitAtom(GDLParser.AtomContext ctx)` Exit a parse tree produced by `GDLParser.atom()`.
`void`	`exitComparisonElement(GDLParser.ComparisonElementContext ctx)` Exit a parse tree produced by `GDLParser.comparisonElement()`.
`void`	`exitComparisonExpression(GDLParser.ComparisonExpressionContext ctx)` Exit a parse tree produced by `GDLParser.comparisonExpression()`.
`void`	`exitDatabase(GDLParser.DatabaseContext ctx)` Exit a parse tree produced by `GDLParser.database()`.
`void`	`exitDefinition(GDLParser.DefinitionContext ctx)` Exit a parse tree produced by `GDLParser.definition()`.
`void`	`exitEdgeBody(GDLParser.EdgeBodyContext ctx)` Exit a parse tree produced by `GDLParser.edgeBody()`.
`void`	`exitEdgeLength(GDLParser.EdgeLengthContext ctx)` Exit a parse tree produced by `GDLParser.edgeLength()`.
`void`	`exitElementList(GDLParser.ElementListContext ctx)` Exit a parse tree produced by `GDLParser.elementList()`.
`void`	`exitExpression(GDLParser.ExpressionContext ctx)` Exit a parse tree produced by `GDLParser.expression()`.
`void`	`exitExpression2(GDLParser.Expression2Context ctx)` Exit a parse tree produced by `GDLParser.expression2()`.
`void`	`exitGraph(GDLParser.GraphContext ctx)` Exit a parse tree produced by `GDLParser.graph()`.
`void`	`exitHeader(GDLParser.HeaderContext ctx)` Exit a parse tree produced by `GDLParser.header()`.
`void`	`exitIncomingEdge(GDLParser.IncomingEdgeContext ctx)` Exit a parse tree produced by the `incomingEdge` labeled alternative in `GDLParser.edge()`.
`void`	`exitLabel(GDLParser.LabelContext ctx)` Exit a parse tree produced by `GDLParser.label()`.
`void`	`exitLiteral(GDLParser.LiteralContext ctx)` Exit a parse tree produced by `GDLParser.literal()`.
`void`	`exitMatch(GDLParser.MatchContext ctx)` Exit a parse tree produced by `GDLParser.match()`.
`void`	`exitNotExpression(GDLParser.NotExpressionContext ctx)` Exit a parse tree produced by `GDLParser.notExpression()`.
`void`	`exitOrExpression(GDLParser.OrExpressionContext ctx)` Exit a parse tree produced by `GDLParser.orExpression()`.
`void`	`exitOutgoingEdge(GDLParser.OutgoingEdgeContext ctx)` Exit a parse tree produced by the `outgoingEdge` labeled alternative in `GDLParser.edge()`.
`void`	`exitParenthesizedExpression(GDLParser.ParenthesizedExpressionContext ctx)` Exit a parse tree produced by `GDLParser.parenthesizedExpression()`.
`void`	`exitPath(GDLParser.PathContext ctx)` Exit a parse tree produced by `GDLParser.path()`.
`void`	`exitProperties(GDLParser.PropertiesContext ctx)` Exit a parse tree produced by `GDLParser.properties()`.
`void`	`exitProperty(GDLParser.PropertyContext ctx)` Exit a parse tree produced by `GDLParser.property()`.
`void`	`exitPropertyLookup(GDLParser.PropertyLookupContext ctx)` Exit a parse tree produced by `GDLParser.propertyLookup()`.
`void`	`exitQuery(GDLParser.QueryContext ctx)` Exit a parse tree produced by `GDLParser.query()`.
`void`	`exitVertex(GDLParser.VertexContext ctx)` Exit a parse tree produced by `GDLParser.vertex()`.
`void`	`exitWhere(GDLParser.WhereContext ctx)` Exit a parse tree produced by `GDLParser.where()`.
`void`	`exitXorExpression(GDLParser.XorExpressionContext ctx)` Exit a parse tree produced by `GDLParser.xorExpression()`.

Methods inherited from interface org.antlr.v4.runtime.tree.ParseTreeListener
enterEveryRule, exitEveryRule, visitErrorNode, visitTerminal

- Method Detail
  - enterDatabase
```
void enterDatabase(GDLParser.DatabaseContext ctx)
```
    Enter a parse tree produced by GDLParser.database().
    
    Parameters:
    
    ctx - the parse tree
  - exitDatabase
```
void exitDatabase(GDLParser.DatabaseContext ctx)
```
    Exit a parse tree produced by GDLParser.database().
    
    Parameters:
    
    ctx - the parse tree
  - enterElementList
```
void enterElementList(GDLParser.ElementListContext ctx)
```
    Enter a parse tree produced by GDLParser.elementList().
    
    Parameters:
    
    ctx - the parse tree
  - exitElementList
```
void exitElementList(GDLParser.ElementListContext ctx)
```
    Exit a parse tree produced by GDLParser.elementList().
    
    Parameters:
    
    ctx - the parse tree
  - enterDefinition
```
void enterDefinition(GDLParser.DefinitionContext ctx)
```
    Enter a parse tree produced by GDLParser.definition().
    
    Parameters:
    
    ctx - the parse tree
  - exitDefinition
```
void exitDefinition(GDLParser.DefinitionContext ctx)
```
    Exit a parse tree produced by GDLParser.definition().
    
    Parameters:
    
    ctx - the parse tree
  - enterGraph
```
void enterGraph(GDLParser.GraphContext ctx)
```
    Enter a parse tree produced by GDLParser.graph().
    
    Parameters:
    
    ctx - the parse tree
  - exitGraph
```
void exitGraph(GDLParser.GraphContext ctx)
```
    Exit a parse tree produced by GDLParser.graph().
    
    Parameters:
    
    ctx - the parse tree
  - enterQuery
```
void enterQuery(GDLParser.QueryContext ctx)
```
    Enter a parse tree produced by GDLParser.query().
    
    Parameters:
    
    ctx - the parse tree
  - exitQuery
```
void exitQuery(GDLParser.QueryContext ctx)
```
    Exit a parse tree produced by GDLParser.query().
    
    Parameters:
    
    ctx - the parse tree
  - enterMatch
```
void enterMatch(GDLParser.MatchContext ctx)
```
    Enter a parse tree produced by GDLParser.match().
    
    Parameters:
    
    ctx - the parse tree
  - exitMatch
```
void exitMatch(GDLParser.MatchContext ctx)
```
    Exit a parse tree produced by GDLParser.match().
    
    Parameters:
    
    ctx - the parse tree
  - enterPath
```
void enterPath(GDLParser.PathContext ctx)
```
    Enter a parse tree produced by GDLParser.path().
    
    Parameters:
    
    ctx - the parse tree
  - exitPath
```
void exitPath(GDLParser.PathContext ctx)
```
    Exit a parse tree produced by GDLParser.path().
    
    Parameters:
    
    ctx - the parse tree
  - enterVertex
```
void enterVertex(GDLParser.VertexContext ctx)
```
    Enter a parse tree produced by GDLParser.vertex().
    
    Parameters:
    
    ctx - the parse tree
  - exitVertex
```
void exitVertex(GDLParser.VertexContext ctx)
```
    Exit a parse tree produced by GDLParser.vertex().
    
    Parameters:
    
    ctx - the parse tree
  - enterIncomingEdge
```
void enterIncomingEdge(GDLParser.IncomingEdgeContext ctx)
```
    Enter a parse tree produced by the incomingEdge labeled alternative in GDLParser.edge().
    
    Parameters:
    
    ctx - the parse tree
  - exitIncomingEdge
```
void exitIncomingEdge(GDLParser.IncomingEdgeContext ctx)
```
    Exit a parse tree produced by the incomingEdge labeled alternative in GDLParser.edge().
    
    Parameters:
    
    ctx - the parse tree
  - enterOutgoingEdge
```
void enterOutgoingEdge(GDLParser.OutgoingEdgeContext ctx)
```
    Enter a parse tree produced by the outgoingEdge labeled alternative in GDLParser.edge().
    
    Parameters:
    
    ctx - the parse tree
  - exitOutgoingEdge
```
void exitOutgoingEdge(GDLParser.OutgoingEdgeContext ctx)
```
    Exit a parse tree produced by the outgoingEdge labeled alternative in GDLParser.edge().
    
    Parameters:
    
    ctx - the parse tree
  - enterEdgeBody
```
void enterEdgeBody(GDLParser.EdgeBodyContext ctx)
```
    Enter a parse tree produced by GDLParser.edgeBody().
    
    Parameters:
    
    ctx - the parse tree
  - exitEdgeBody
```
void exitEdgeBody(GDLParser.EdgeBodyContext ctx)
```
    Exit a parse tree produced by GDLParser.edgeBody().
    
    Parameters:
    
    ctx - the parse tree
  - enterEdgeLength
```
void enterEdgeLength(GDLParser.EdgeLengthContext ctx)
```
    Enter a parse tree produced by GDLParser.edgeLength().
    
    Parameters:
    
    ctx - the parse tree
  - exitEdgeLength
```
void exitEdgeLength(GDLParser.EdgeLengthContext ctx)
```
    Exit a parse tree produced by GDLParser.edgeLength().
    
    Parameters:
    
    ctx - the parse tree
  - enterHeader
```
void enterHeader(GDLParser.HeaderContext ctx)
```
    Enter a parse tree produced by GDLParser.header().
    
    Parameters:
    
    ctx - the parse tree
  - exitHeader
```
void exitHeader(GDLParser.HeaderContext ctx)
```
    Exit a parse tree produced by GDLParser.header().
    
    Parameters:
    
    ctx - the parse tree
  - enterProperties
```
void enterProperties(GDLParser.PropertiesContext ctx)
```
    Enter a parse tree produced by GDLParser.properties().
    
    Parameters:
    
    ctx - the parse tree
  - exitProperties
```
void exitProperties(GDLParser.PropertiesContext ctx)
```
    Exit a parse tree produced by GDLParser.properties().
    
    Parameters:
    
    ctx - the parse tree
  - enterProperty
```
void enterProperty(GDLParser.PropertyContext ctx)
```
    Enter a parse tree produced by GDLParser.property().
    
    Parameters:
    
    ctx - the parse tree
  - exitProperty
```
void exitProperty(GDLParser.PropertyContext ctx)
```
    Exit a parse tree produced by GDLParser.property().
    
    Parameters:
    
    ctx - the parse tree
  - enterLabel
```
void enterLabel(GDLParser.LabelContext ctx)
```
    Enter a parse tree produced by GDLParser.label().
    
    Parameters:
    
    ctx - the parse tree
  - exitLabel
```
void exitLabel(GDLParser.LabelContext ctx)
```
    Exit a parse tree produced by GDLParser.label().
    
    Parameters:
    
    ctx - the parse tree
  - enterWhere
```
void enterWhere(GDLParser.WhereContext ctx)
```
    Enter a parse tree produced by GDLParser.where().
    
    Parameters:
    
    ctx - the parse tree
  - exitWhere
```
void exitWhere(GDLParser.WhereContext ctx)
```
    Exit a parse tree produced by GDLParser.where().
    
    Parameters:
    
    ctx - the parse tree
  - enterExpression
```
void enterExpression(GDLParser.ExpressionContext ctx)
```
    Enter a parse tree produced by GDLParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitExpression
```
void exitExpression(GDLParser.ExpressionContext ctx)
```
    Exit a parse tree produced by GDLParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterXorExpression
```
void enterXorExpression(GDLParser.XorExpressionContext ctx)
```
    Enter a parse tree produced by GDLParser.xorExpression().
    
    Parameters:
    
    ctx - the parse tree
  - exitXorExpression
```
void exitXorExpression(GDLParser.XorExpressionContext ctx)
```
    Exit a parse tree produced by GDLParser.xorExpression().
    
    Parameters:
    
    ctx - the parse tree
  - enterAndExpression
```
void enterAndExpression(GDLParser.AndExpressionContext ctx)
```
    Enter a parse tree produced by GDLParser.andExpression().
    
    Parameters:
    
    ctx - the parse tree
  - exitAndExpression
```
void exitAndExpression(GDLParser.AndExpressionContext ctx)
```
    Exit a parse tree produced by GDLParser.andExpression().
    
    Parameters:
    
    ctx - the parse tree
  - enterOrExpression
```
void enterOrExpression(GDLParser.OrExpressionContext ctx)
```
    Enter a parse tree produced by GDLParser.orExpression().
    
    Parameters:
    
    ctx - the parse tree
  - exitOrExpression
```
void exitOrExpression(GDLParser.OrExpressionContext ctx)
```
    Exit a parse tree produced by GDLParser.orExpression().
    
    Parameters:
    
    ctx - the parse tree
  - enterNotExpression
```
void enterNotExpression(GDLParser.NotExpressionContext ctx)
```
    Enter a parse tree produced by GDLParser.notExpression().
    
    Parameters:
    
    ctx - the parse tree
  - exitNotExpression
```
void exitNotExpression(GDLParser.NotExpressionContext ctx)
```
    Exit a parse tree produced by GDLParser.notExpression().
    
    Parameters:
    
    ctx - the parse tree
  - enterExpression2
```
void enterExpression2(GDLParser.Expression2Context ctx)
```
    Enter a parse tree produced by GDLParser.expression2().
    
    Parameters:
    
    ctx - the parse tree
  - exitExpression2
```
void exitExpression2(GDLParser.Expression2Context ctx)
```
    Exit a parse tree produced by GDLParser.expression2().
    
    Parameters:
    
    ctx - the parse tree
  - enterAtom
```
void enterAtom(GDLParser.AtomContext ctx)
```
    Enter a parse tree produced by GDLParser.atom().
    
    Parameters:
    
    ctx - the parse tree
  - exitAtom
```
void exitAtom(GDLParser.AtomContext ctx)
```
    Exit a parse tree produced by GDLParser.atom().
    
    Parameters:
    
    ctx - the parse tree
  - enterComparisonExpression
```
void enterComparisonExpression(GDLParser.ComparisonExpressionContext ctx)
```
    Enter a parse tree produced by GDLParser.comparisonExpression().
    
    Parameters:
    
    ctx - the parse tree
  - exitComparisonExpression
```
void exitComparisonExpression(GDLParser.ComparisonExpressionContext ctx)
```
    Exit a parse tree produced by GDLParser.comparisonExpression().
    
    Parameters:
    
    ctx - the parse tree
  - enterComparisonElement
```
void enterComparisonElement(GDLParser.ComparisonElementContext ctx)
```
    Enter a parse tree produced by GDLParser.comparisonElement().
    
    Parameters:
    
    ctx - the parse tree
  - exitComparisonElement
```
void exitComparisonElement(GDLParser.ComparisonElementContext ctx)
```
    Exit a parse tree produced by GDLParser.comparisonElement().
    
    Parameters:
    
    ctx - the parse tree
  - enterParenthesizedExpression
```
void enterParenthesizedExpression(GDLParser.ParenthesizedExpressionContext ctx)
```
    Enter a parse tree produced by GDLParser.parenthesizedExpression().
    
    Parameters:
    
    ctx - the parse tree
  - exitParenthesizedExpression
```
void exitParenthesizedExpression(GDLParser.ParenthesizedExpressionContext ctx)
```
    Exit a parse tree produced by GDLParser.parenthesizedExpression().
    
    Parameters:
    
    ctx - the parse tree
  - enterPropertyLookup
```
void enterPropertyLookup(GDLParser.PropertyLookupContext ctx)
```
    Enter a parse tree produced by GDLParser.propertyLookup().
    
    Parameters:
    
    ctx - the parse tree
  - exitPropertyLookup
```
void exitPropertyLookup(GDLParser.PropertyLookupContext ctx)
```
    Exit a parse tree produced by GDLParser.propertyLookup().
    
    Parameters:
    
    ctx - the parse tree
  - enterLiteral
```
void enterLiteral(GDLParser.LiteralContext ctx)
```
    Enter a parse tree produced by GDLParser.literal().
    
    Parameters:
    
    ctx - the parse tree
  - exitLiteral
```
void exitLiteral(GDLParser.LiteralContext ctx)
```
    Exit a parse tree produced by GDLParser.literal().
    
    Parameters:
    
    ctx - the parse tree

Interface GDLListener

Method Summary

Methods inherited from interface org.antlr.v4.runtime.tree.ParseTreeListener

Method Detail

enterDatabase

exitDatabase

enterElementList

exitElementList

enterDefinition

exitDefinition

enterGraph

exitGraph

enterQuery

exitQuery

enterMatch

exitMatch

enterPath

exitPath

enterVertex

exitVertex

enterIncomingEdge

exitIncomingEdge

enterOutgoingEdge

exitOutgoingEdge

enterEdgeBody

exitEdgeBody

enterEdgeLength

exitEdgeLength

enterHeader

exitHeader

enterProperties

exitProperties

enterProperty

exitProperty

enterLabel

exitLabel

enterWhere

exitWhere

enterExpression

exitExpression

enterXorExpression

exitXorExpression

enterAndExpression

exitAndExpression

enterOrExpression

exitOrExpression

enterNotExpression

exitNotExpression

enterExpression2

exitExpression2

enterAtom

exitAtom

enterComparisonExpression

exitComparisonExpression

enterComparisonElement

exitComparisonElement

enterParenthesizedExpression

exitParenthesizedExpression

enterPropertyLookup

exitPropertyLookup

enterLiteral

exitLiteral