Constraint (Jadex Active Component Platform 4.0.181 API)

java.lang.Object
- jadex.rules.rulesystem.rules.Constraint

All Implemented Interfaces:

IConstraint

Direct Known Subclasses:

BoundConstraint, LiteralConstraint
```
public abstract class Constraint
extends java.lang.Object
implements IConstraint
```
A constraint is a part of a condition. It restricts the allowed values via - a constant test (LiteralConstraint) - a predicate test (PredicateConstraint) - a constant test via a bound variable (BoundConstraint)

Field Summary

Fields
Modifier and Type Field Description

protected IOperator operator
The operator.

protected java.lang.Object valuesource
The attribute or method.

Constructor Summary

Constructors
Constructor Description

Constraint(java.lang.Object valuesource, IOperator operator)
Create a new constraint.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`IOperator`	`getOperator()`	Get the operator.
`java.lang.Object`	`getValueSource()`	Get the value source.
`static java.util.List`	`getVariablesForValueSource(java.lang.Object valuesource)`	Get the variables for a value source.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface jadex.rules.rulesystem.rules.IConstraint
getVariables

- Field Detail
  - valuesource
```
protected java.lang.Object valuesource
```
    The attribute or method.
  - operator
```
protected IOperator operator
```
    The operator.
- Constructor Detail
  - Constraint
```
public Constraint(java.lang.Object valuesource,
                  IOperator operator)
```
    Create a new constraint.
- Method Detail
  - getValueSource
```
public java.lang.Object getValueSource()
```
    Get the value source.
    
    Returns:
    
    The attribute or method.
  - getOperator
```
public IOperator getOperator()
```
    Get the operator.
    
    Returns:
    
    The operator.
  - getVariablesForValueSource
```
public static java.util.List getVariablesForValueSource(java.lang.Object valuesource)
```
    Get the variables for a value source.
    
    Parameters:
    
    valuesource - The value source
    
    Returns:
    
    The variables.