Package se.liu.ida.hefquin.engine.wrappers.lpg.query.impl.expression

Class FirstLabelExpression

java.lang.Object

se.liu.ida.hefquin.engine.wrappers.lpg.query.impl.expression.FirstLabelExpression

All Implemented Interfaces:

CypherExpression

public class FirstLabelExpression
extends Object
implements CypherExpression

Represents an expression to obtain the first label of a graph object that is bound to a given query variable.

Field Summary

Fields

Modifier and Type	Field	Description
protected final CypherVar	var

Constructor Summary

Constructors

Constructor	Description
FirstLabelExpression(CypherVar var)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
Set<CypherVar>	getVars()	Returns a list of the [global] Cypher Variables used within the expression
int	hashCode()
String	toString()
void	visit(CypherExpressionVisitor visitor)	accepts a CypherExpressionVisitor and propagates the visit recursively when required.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

var

protected final CypherVar var

Constructor Details

FirstLabelExpression

public FirstLabelExpression(CypherVar var)

Method Details

getVars

public Set<CypherVar> getVars()

Description copied from interface: CypherExpression

Returns a list of the [global] Cypher Variables used within the expression

Specified by:

getVars in interface CypherExpression

visit

public void visit(CypherExpressionVisitor visitor)

Description copied from interface: CypherExpression

accepts a CypherExpressionVisitor and propagates the visit recursively when required.

Specified by:

visit in interface CypherExpression

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object