Package hydra.pg.query

Class EdgeProjectionPattern

java.lang.Object

hydra.pg.query.EdgeProjectionPattern

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<EdgeProjectionPattern>

public class EdgeProjectionPattern
extends java.lang.Object
implements java.io.Serializable, java.lang.Comparable<EdgeProjectionPattern>

A pattern matching an edge, its direction, optional label, properties, and adjacent vertex

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	EdgeProjectionPattern.Builder	A fluent builder for EdgeProjectionPattern.

Field Summary

Fields

Modifier and Type	Field	Description
Direction	direction
static Name	DIRECTION	Name of the hydra.pg.query.EdgeProjectionPattern.direction field.
Optional<EdgeLabel>	label
static Name	LABEL	Name of the hydra.pg.query.EdgeProjectionPattern.label field.
java.util.List<PropertyPattern>	properties
static Name	PROPERTIES	Name of the hydra.pg.query.EdgeProjectionPattern.properties field.
static Name	TYPE_	Name of the hydra.pg.query.EdgeProjectionPattern type.
Optional<VertexPattern>	vertex
static Name	VERTEX	Name of the hydra.pg.query.EdgeProjectionPattern.vertex field.

Constructor Summary

Constructors

Constructor	Description
EdgeProjectionPattern(Direction direction, Optional<EdgeLabel> label, java.util.List<PropertyPattern> properties, Optional<VertexPattern> vertex)	Constructs an immutable EdgeProjectionPattern.

Method Summary

Modifier and Type	Method	Description
static EdgeProjectionPattern.Builder	builder()	Creates a new fluent builder for EdgeProjectionPattern.
int	compareTo(EdgeProjectionPattern other)
boolean	equals(java.lang.Object other)
int	hashCode()
java.lang.String	toString()
EdgeProjectionPattern	withDirection(Direction direction)	Returns a copy of this EdgeProjectionPattern with direction replaced.
EdgeProjectionPattern	withLabel(Optional<EdgeLabel> label)	Returns a copy of this EdgeProjectionPattern with label replaced.
EdgeProjectionPattern	withProperties(java.util.List<PropertyPattern> properties)	Returns a copy of this EdgeProjectionPattern with properties replaced.
EdgeProjectionPattern	withVertex(Optional<VertexPattern> vertex)	Returns a copy of this EdgeProjectionPattern with vertex replaced.

Methods inherited from class java.lang.Object

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

Field Detail

TYPE_

public static final Name TYPE_

Name of the hydra.pg.query.EdgeProjectionPattern type.

DIRECTION

public static final Name DIRECTION

Name of the hydra.pg.query.EdgeProjectionPattern.direction field.

LABEL

public static final Name LABEL

Name of the hydra.pg.query.EdgeProjectionPattern.label field.

PROPERTIES

public static final Name PROPERTIES

Name of the hydra.pg.query.EdgeProjectionPattern.properties field.

VERTEX

public static final Name VERTEX

Name of the hydra.pg.query.EdgeProjectionPattern.vertex field.

direction

public final Direction direction

label

public final Optional<EdgeLabel> label

properties

public final java.util.List<PropertyPattern> properties

vertex

public final Optional<VertexPattern> vertex

Constructor Detail

EdgeProjectionPattern

public EdgeProjectionPattern(Direction direction,
                             Optional<EdgeLabel> label,
                             java.util.List<PropertyPattern> properties,
                             Optional<VertexPattern> vertex)

Constructs an immutable EdgeProjectionPattern.

Method Detail

equals

public boolean equals(java.lang.Object other)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

compareTo

public int compareTo(EdgeProjectionPattern other)

Specified by:

compareTo in interface java.lang.Comparable<EdgeProjectionPattern>

withDirection

public EdgeProjectionPattern withDirection(Direction direction)

Returns a copy of this EdgeProjectionPattern with direction replaced.

withLabel

public EdgeProjectionPattern withLabel(Optional<EdgeLabel> label)

Returns a copy of this EdgeProjectionPattern with label replaced.

withProperties

public EdgeProjectionPattern withProperties(java.util.List<PropertyPattern> properties)

Returns a copy of this EdgeProjectionPattern with properties replaced.

withVertex

public EdgeProjectionPattern withVertex(Optional<VertexPattern> vertex)

Returns a copy of this EdgeProjectionPattern with vertex replaced.

builder

public static EdgeProjectionPattern.Builder builder()

Creates a new fluent builder for EdgeProjectionPattern.