VarsNeqRequirement

java.lang.Object
- net.sf.tweety.action.grounding.VarsNeqRequirement

All Implemented Interfaces:

GroundingRequirement
```
public class VarsNeqRequirement
extends java.lang.Object
implements GroundingRequirement
```
This class represents a single grounding requirement stating that two variables are not allowed to be substituted by the same constant.

Author:

Sebastian Homann

Field Summary

Fields
Modifier and Type Field Description

private Variable first

private Variable second

Constructor Summary

Constructors
Constructor	Description
`VarsNeqRequirement(Variable first, Variable second)`	Creates a new grounding requirement for the two given variables that are not allowed to be set to the same constant in one ground instance.

Method Summary

Modifier and Type	Method	Description
`boolean`	`equals(java.lang.Object obj)`
`int`	`hashCode()`
`boolean`	`isValid(java.util.Map<Variable,Constant> assignment)`	This method checks, if an assignment of constants to variables satisfies a given grounding condition.
`java.lang.String`	`toString()`

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

- Field Detail
  - first
```
private Variable first
```
  - second
```
private Variable second
```
- Constructor Detail
  - VarsNeqRequirement
```
public VarsNeqRequirement(Variable first,
                          Variable second)
```
    Creates a new grounding requirement for the two given variables that are not allowed to be set to the same constant in one ground instance.
    
    Parameters:
    
    first - a variable.
    
    second - another variable.
- Method Detail
  - isValid
```
public boolean isValid(java.util.Map<Variable,Constant> assignment)
```
    Description copied from interface: GroundingRequirement
    
    This method checks, if an assignment of constants to variables satisfies a given grounding condition.
    
    Specified by:
    
    isValid in interface GroundingRequirement
    
    Parameters:
    
    assignment - the assignment to be validated.
    
    Returns:
    
    true, if the assignment satisfies this requirement.
  - equals
```
public boolean equals(java.lang.Object obj)
```
    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