Package com.gdblab.pathAlgebra.expressions

Class OrderByExpression

java.lang.Object

com.gdblab.pathAlgebra.expressions.OrderByExpression

All Implemented Interfaces:

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

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

Order-by operator: τ_criterion(solutionSpace)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
OrderByCriterion	criterion
static Name	CRITERION	Name of the com.gdblab.pathAlgebra.expressions.OrderByExpression.criterion field.
SolutionSpaceExpression	expression
static Name	EXPRESSION	Name of the com.gdblab.pathAlgebra.expressions.OrderByExpression.expression field.
static Name	TYPE_	Name of the com.gdblab.pathAlgebra.expressions.OrderByExpression type.

Constructor Summary

Constructors

Constructor	Description
OrderByExpression(OrderByCriterion criterion, SolutionSpaceExpression expression)	Constructs an immutable OrderByExpression.

Method Summary

Modifier and Type	Method	Description
int	compareTo(OrderByExpression other)
boolean	equals(java.lang.Object other)
int	hashCode()
OrderByExpression	withCriterion(OrderByCriterion criterion)	Returns a copy of this OrderByExpression with criterion replaced.
OrderByExpression	withExpression(SolutionSpaceExpression expression)	Returns a copy of this OrderByExpression with expression replaced.

Methods inherited from class java.lang.Object

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

Field Detail

TYPE_

public static final Name TYPE_

Name of the com.gdblab.pathAlgebra.expressions.OrderByExpression type.

CRITERION

public static final Name CRITERION

Name of the com.gdblab.pathAlgebra.expressions.OrderByExpression.criterion field.

EXPRESSION

public static final Name EXPRESSION

Name of the com.gdblab.pathAlgebra.expressions.OrderByExpression.expression field.

criterion

public final OrderByCriterion criterion

expression

public final SolutionSpaceExpression expression

Constructor Detail

OrderByExpression

public OrderByExpression(OrderByCriterion criterion,
                         SolutionSpaceExpression expression)

Constructs an immutable OrderByExpression.

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

compareTo

public int compareTo(OrderByExpression other)

Specified by:

compareTo in interface java.lang.Comparable<OrderByExpression>

withCriterion

public OrderByExpression withCriterion(OrderByCriterion criterion)

Returns a copy of this OrderByExpression with criterion replaced.

withExpression

public OrderByExpression withExpression(SolutionSpaceExpression expression)

Returns a copy of this OrderByExpression with expression replaced.