Package dev.roanh.gmark.util

Class EdgeGraphData.PredicateData

java.lang.Object

dev.roanh.gmark.util.EdgeGraphData

dev.roanh.gmark.util.EdgeGraphData.PredicateData

Enclosing class:

EdgeGraphData

private static class EdgeGraphData.PredicateData
extends EdgeGraphData

Represents data for a normal graph node constructed from a schema graph edge.

See Also:

• SchemaGraph

Nested Class Summary

Nested classes/interfaces inherited from class dev.roanh.gmark.util.EdgeGraphData

EdgeGraphData.IdentityData, EdgeGraphData.IntersectionData

Field Summary

Fields

Modifier and Type	Field	Description
private UniqueGraph.GraphEdge<SelectivityType,Predicate>	edge	The schema graph edge represented by this data object.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	PredicateData(UniqueGraph.GraphEdge<SelectivityType,Predicate> edge)	Constructs a new predicate data object for the given schema graph edge.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object other)
Selectivity	getSourceSelectivity()	The selectivity of the source node for the CPQ in this data object.
Type	getSourceType()	The type of the source node for the CPQ in this data object.
Selectivity	getTargetSelectivity()	The selectivity of the target node for the CPQ in this data object.
Type	getTargetType()	The type of the source node for the CPQ in this data object.
int	hashCode()
int	size()	Gets the length of the shortest path through the CPQ represented by this edge graph data object.
CPQ	toCPQ()	Converts this edge graph data object to an actual CPQ representing it.
String	toString()

Methods inherited from class dev.roanh.gmark.util.EdgeGraphData

of, of, of, of, of

Methods inherited from class java.lang.Object

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

Field Details

edge

private UniqueGraph.GraphEdge<SelectivityType,Predicate> edge

The schema graph edge represented by this data object.

Constructor Details

PredicateData

private PredicateData(UniqueGraph.GraphEdge<SelectivityType,Predicate> edge)

Constructs a new predicate data object for the given schema graph edge.

Parameters:

edge - The schema graph edge.

Method Details

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object other)

Overrides:

equals in class Object

size

public int size()

Description copied from class: EdgeGraphData

Gets the length of the shortest path through the CPQ represented by this edge graph data object.

Specified by:

size in class EdgeGraphData

Returns:

The length of the shortest path through this object.

getSourceType

public Type getSourceType()

Description copied from class: EdgeGraphData

The type of the source node for the CPQ in this data object.

Specified by:

getSourceType in class EdgeGraphData

Returns:

The target type for this object.

getTargetType

public Type getTargetType()

Description copied from class: EdgeGraphData

The type of the source node for the CPQ in this data object.

Specified by:

getTargetType in class EdgeGraphData

Returns:

The source type for this object.

getSourceSelectivity

public Selectivity getSourceSelectivity()

Description copied from class: EdgeGraphData

The selectivity of the source node for the CPQ in this data object.

Specified by:

getSourceSelectivity in class EdgeGraphData

Returns:

The source selectivity for this object.

getTargetSelectivity

public Selectivity getTargetSelectivity()

Description copied from class: EdgeGraphData

The selectivity of the target node for the CPQ in this data object.

Specified by:

getTargetSelectivity in class EdgeGraphData

Returns:

The source selectivity for this object.

toCPQ

public CPQ toCPQ()

Description copied from class: EdgeGraphData

Converts this edge graph data object to an actual CPQ representing it.

Specified by:

toCPQ in class EdgeGraphData

Returns:

A CPQ for this edge graph data object.

See Also:

• CPQ