Package org.evomaster.client.java.controller.neo4j.operations

Class MatchOperation

java.lang.Object

org.evomaster.client.java.controller.neo4j.operations.CypherQueryOperation

org.evomaster.client.java.controller.neo4j.operations.MatchOperation

public class MatchOperation
extends CypherQueryOperation

Represents a parsed MATCH query containing the structural pattern and extracted conditions.

The structural pattern contains only the graph topology (nodes and edges). Conditions include labels, relationship types, property constraints, and WHERE clause predicates.

A query may assign several path variables (MATCH p = ..., q = ...); all are kept in order. isOptional() is true when the query involves an OPTIONAL MATCH (left-join semantics).

Constructor Summary

Constructors

Constructor	Description
MatchOperation(MatchPattern pattern, List<CypherCondition> conditions)
MatchOperation(MatchPattern pattern, List<CypherCondition> conditions, String pathVariable)
MatchOperation(MatchPattern pattern, List<CypherCondition> conditions, List<String> pathVariables, boolean optional)

Method Summary

Modifier and Type	Method	Description
List<CypherCondition>	getConditions()	Returns all conditions extracted from both inline patterns and WHERE clause.
String	getPathVariable()	Returns the first path variable assigned by the pattern (e.g.
List<String>	getPathVariables()	Returns every path variable assigned by the query, in source order (empty if there are none).
MatchPattern	getPattern()	Returns the structural pattern containing nodes and edges.
boolean	isOptional()	Returns true when the query involves an OPTIONAL MATCH.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

MatchOperation

public MatchOperation(MatchPattern pattern,
 List<CypherCondition> conditions)

MatchOperation

public MatchOperation(MatchPattern pattern,
 List<CypherCondition> conditions,
 String pathVariable)

MatchOperation

public MatchOperation(MatchPattern pattern,
 List<CypherCondition> conditions,
 List<String> pathVariables,
 boolean optional)

Method Details

getPattern

public MatchPattern getPattern()

Returns the structural pattern containing nodes and edges.

getConditions

public List<CypherCondition> getConditions()

Returns all conditions extracted from both inline patterns and WHERE clause.

getPathVariable

public String getPathVariable()

Returns the first path variable assigned by the pattern (e.g. path = ...), or null if none. Kept for callers that expect a single assignment; getPathVariables() returns all.

getPathVariables

public List<String> getPathVariables()

Returns every path variable assigned by the query, in source order (empty if there are none).

isOptional

public boolean isOptional()

Returns true when the query involves an OPTIONAL MATCH. The match still succeeds with no binding when the pattern is absent, so a consumer should not penalize a missing optional part.

toString

public String toString()

Overrides:

toString in class Object