Package com.gdblab.pathAlgebra.syntax

Class Projection

java.lang.Object

com.gdblab.pathAlgebra.syntax.Projection

All Implemented Interfaces:

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

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

The projection of a path query: part, group, and path projections

See Also:

Serialized Form

Nested Class Summary

Nested Classes

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

Field Summary

Fields

Modifier and Type	Field	Description
static Name	GROUP_PROJ	Name of the com.gdblab.pathAlgebra.syntax.Projection.groupProj field.
GroupProj	groupProj
static Name	PART_PROJ	Name of the com.gdblab.pathAlgebra.syntax.Projection.partProj field.
PartProj	partProj
static Name	PATH_PROJ	Name of the com.gdblab.pathAlgebra.syntax.Projection.pathProj field.
PathProj	pathProj
static Name	TYPE_	Name of the com.gdblab.pathAlgebra.syntax.Projection type.

Constructor Summary

Constructors

Constructor	Description
Projection(PartProj partProj, GroupProj groupProj, PathProj pathProj)	Constructs an immutable Projection.

Method Summary

Modifier and Type	Method	Description
static Projection.Builder	builder()	Creates a new fluent builder for Projection.
int	compareTo(Projection other)
boolean	equals(java.lang.Object other)
int	hashCode()
java.lang.String	toString()
Projection	withGroupProj(GroupProj groupProj)	Returns a copy of this Projection with groupProj replaced.
Projection	withPartProj(PartProj partProj)	Returns a copy of this Projection with partProj replaced.
Projection	withPathProj(PathProj pathProj)	Returns a copy of this Projection with pathProj 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 com.gdblab.pathAlgebra.syntax.Projection type.

PART_PROJ

public static final Name PART_PROJ

Name of the com.gdblab.pathAlgebra.syntax.Projection.partProj field.

GROUP_PROJ

public static final Name GROUP_PROJ

Name of the com.gdblab.pathAlgebra.syntax.Projection.groupProj field.

PATH_PROJ

public static final Name PATH_PROJ

Name of the com.gdblab.pathAlgebra.syntax.Projection.pathProj field.

partProj

public final PartProj partProj

groupProj

public final GroupProj groupProj

pathProj

public final PathProj pathProj

Constructor Detail

Projection

public Projection(PartProj partProj,
                  GroupProj groupProj,
                  PathProj pathProj)

Constructs an immutable Projection.

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(Projection other)

Specified by:

compareTo in interface java.lang.Comparable<Projection>

withPartProj

public Projection withPartProj(PartProj partProj)

Returns a copy of this Projection with partProj replaced.

withGroupProj

public Projection withGroupProj(GroupProj groupProj)

Returns a copy of this Projection with groupProj replaced.

withPathProj

public Projection withPathProj(PathProj pathProj)

Returns a copy of this Projection with pathProj replaced.

builder

public static Projection.Builder builder()

Creates a new fluent builder for Projection.