SolverVariable

Artifact: androidx.constraintlayout:constraintlayout-core

View Source

Added in 1.1.0

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Kotlin |Java

public class SolverVariable implements Comparable

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Represents a given variable used in the linear expression solver.

Summary

Nested types
public enum SolverVariable.Type Type of variables

Constants
static final int	STRENGTH_BARRIER = 6
static final int	STRENGTH_CENTERING = 7
static final int	STRENGTH_EQUALITY = 5
static final int	STRENGTH_FIXED = 8
static final int	STRENGTH_HIGH = 3
static final int	STRENGTH_HIGHEST = 4
static final int	STRENGTH_LOW = 1
static final int	STRENGTH_MEDIUM = 2
static final int	STRENGTH_NONE = 0

Public fields
float	computedValue
int	id
boolean	inGoal
boolean	isFinalValue
int	strength
int	usageInRowCount

Public constructors
SolverVariable(String name, SolverVariable.Type type) Base constructor
SolverVariable(SolverVariable.Type type, String prefix)

Public methods
final void	addToRow(ArrayRow row)
int	compareTo(SolverVariable v)
String	getName() Accessor for the name
final void	removeFromRow(ArrayRow row)
void	reset()
void	setFinalValue(LinearSystem system, float value)
void	setName(String name)
void	setSynonym(     LinearSystem system,     SolverVariable synonymVariable,     float value )
void	setType(SolverVariable.Type type, String prefix)
String	toString() Override the toString() method to display the variable
final void	updateReferencesWithNewDefinition(     LinearSystem system,     ArrayRow definition )

Constants

STRENGTH_BARRIER

Added in 1.1.0

public static final int STRENGTH_BARRIER = 6

STRENGTH_CENTERING

Added in 1.1.0

public static final int STRENGTH_CENTERING = 7

STRENGTH_EQUALITY

Added in 1.1.0

public static final int STRENGTH_EQUALITY = 5

STRENGTH_FIXED

Added in 1.1.0

public static final int STRENGTH_FIXED = 8

STRENGTH_HIGH

Added in 1.1.0

public static final int STRENGTH_HIGH = 3

STRENGTH_HIGHEST

Added in 1.1.0

public static final int STRENGTH_HIGHEST = 4

STRENGTH_LOW

Added in 1.1.0

public static final int STRENGTH_LOW = 1

STRENGTH_MEDIUM

Added in 1.1.0

public static final int STRENGTH_MEDIUM = 2

STRENGTH_NONE

Added in 1.1.0

public static final int STRENGTH_NONE = 0

Public fields

computedValue

Added in 1.1.0

public float computedValue

id

Added in 1.1.0

public int id

inGoal

Added in 1.1.0

public boolean inGoal

isFinalValue

Added in 1.1.0

public boolean isFinalValue

strength

Added in 1.1.0

public int strength

usageInRowCount

Added in 1.1.0

public int usageInRowCount

Public constructors

SolverVariable

Added in 1.1.0

public SolverVariable(String name, SolverVariable.Type type)

Base constructor

Parameters
String name	the variable name
SolverVariable.Type type	the type of the variable

SolverVariable

Added in 1.1.0

public SolverVariable(SolverVariable.Type type, String prefix)

Public methods

addToRow

Added in 1.1.0

public final void addToRow(ArrayRow row)

compareTo

Added in 1.1.0

public int compareTo(SolverVariable v)

getName

Added in 1.1.0

public String getName()

Accessor for the name

Returns
String	the name of the variable

removeFromRow

Added in 1.1.0

public final void removeFromRow(ArrayRow row)

reset

Added in 1.1.0

public void reset()

setFinalValue

Added in 1.1.0

public void setFinalValue(LinearSystem system, float value)

setName

Added in 1.1.0

public void setName(String name)

setSynonym

Added in 1.1.0

public void setSynonym(
    LinearSystem system,
    SolverVariable synonymVariable,
    float value
)

setType

Added in 1.1.0

public void setType(SolverVariable.Type type, String prefix)

toString

public String toString()

Override the toString() method to display the variable

updateReferencesWithNewDefinition

Added in 1.1.0

public final void updateReferencesWithNewDefinition(
    LinearSystem system,
    ArrayRow definition
)