Package io.github.projectunified.cronutils.model.field.expression

Class RandomExpression

java.lang.Object

io.github.projectunified.cronutils.model.field.expression.FieldExpression

io.github.projectunified.cronutils.model.field.expression.RandomExpression

All Implemented Interfaces:

Serializable

public class RandomExpression
extends FieldExpression

Represents a random value expression in a cron field, using the '~' character. This is specific to OpenBSD cron expressions.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
RandomExpression(RandomUtils randomUtils)
RandomExpression(Integer from, Integer to, Integer step, RandomUtils randomUtils)

Method Summary

Modifier and Type	Method	Description
FieldExpression	accept(FieldExpressionVisitor visitor)	Accept a visitor to perform some action on the instance.
String	asString()	Represents FieldExpression as string.
Integer	getFrom()
IntegerFieldValue	getRandomValue(int min, int max)	Get random value within the range considering step if specified
Integer	getStep()
Integer	getTo()
String	toString()

Methods inherited from class io.github.projectunified.cronutils.model.field.expression.FieldExpression

always, and, questionMark

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

RandomExpression

public RandomExpression(Integer from,
 Integer to,
 Integer step,
 RandomUtils randomUtils)

RandomExpression

public RandomExpression(RandomUtils randomUtils)

Method Details

getRandomValue

public IntegerFieldValue getRandomValue(int min,
 int max)

Get random value within the range considering step if specified

Parameters:

min - minimum value allowed for the field

max - maximum value allowed for the field

Returns:

random value as IntegerFieldValue

getFrom

public Integer getFrom()

getTo

public Integer getTo()

getStep

public Integer getStep()

accept

public FieldExpression accept(FieldExpressionVisitor visitor)

Description copied from class: FieldExpression

Accept a visitor to perform some action on the instance. Current instance is cloned, so that we ensure immutability. Clone of this instance is returned after visitor.visit(clone) was invoked.

Specified by:

accept in class FieldExpression

Parameters:

visitor - - FieldExpressionVisitor instance, never null

Returns:

FieldExpression copied instance with visitor action performed.

asString

public String asString()

Description copied from class: FieldExpression

Represents FieldExpression as string.

Specified by:

asString in class FieldExpression

Returns:

String representation, never null.

toString

public String toString()

Overrides:

toString in class Object