org.opencypher.gremlin.translation

Class CypherAstWrapper

java.lang.Object

org.opencypher.gremlin.translation.CypherAstWrapper

public class CypherAstWrapper
extends java.lang.Object

Parsed Cypher AST wrapper that can transform it in a suitable format for executing a Gremlin traversal.

Method Summary

Modifier and Type	Method and Description
<T,P> T	buildTranslation(Translator<T,P> translator) Creates a translation to Gremlin.
java.util.Map<java.lang.String,java.lang.Object>	getExtractedParameters() Gets extracted parameters for this query.
java.util.Set<StatementOption>	getOptions() Gets declared options for this query.
static CypherAstWrapper	parse(java.lang.String queryText) Constructs a new Cypher AST from the provided query.
static CypherAstWrapper	parse(java.lang.String queryText, java.util.Map<java.lang.String,?> parameters) Constructs a new Cypher AST from the provided query.
java.lang.String	toString() Pretty-prints the Cypher AST.

Methods inherited from class java.lang.Object

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

Method Detail

parse

public static CypherAstWrapper parse(java.lang.String queryText)

Constructs a new Cypher AST from the provided query.

Parameters:

queryText - Cypher query

Returns:

Cypher AST wrapper

parse

public static CypherAstWrapper parse(java.lang.String queryText,
                                     java.util.Map<java.lang.String,?> parameters)

Constructs a new Cypher AST from the provided query.

Parameters:

queryText - Cypher query

parameters - Cypher query parameters

Returns:

Cypher AST wrapper

buildTranslation

public <T,P> T buildTranslation(Translator<T,P> translator)

Creates a translation to Gremlin.

Type Parameters:

T - translation target type

P - predicate target type

Parameters:

translator - Translator configuration

Returns:

to-Gremlin translation

getExtractedParameters

public java.util.Map<java.lang.String,java.lang.Object> getExtractedParameters()

Gets extracted parameters for this query.

Returns:

map of extracted parameters

getOptions

public java.util.Set<StatementOption> getOptions()

Gets declared options for this query.

Returns:

set of statement options

toString

public java.lang.String toString()

Pretty-prints the Cypher AST.

Overrides:

toString in class java.lang.Object

Returns:

string representation