IBelief (Jadex Active Component Platform 4.0.261 API)

All Superinterfaces:

IElement

All Known Implementing Classes:

RBeliefbase.RBelief
```
public interface IBelief
extends IElement
```
The interface for all beliefs (concrete and referenced).

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`<T> void`	`addBeliefListener(IBeliefListener<T> listener)`	Add a belief listener.
`java.lang.Class<?>`	`getClazz()`	Get the value class.
`java.lang.Object`	`getFact()`	Get the fact of a belief.
`void`	`modified()`	Indicate that the fact of this belief was modified.
`<T> void`	`removeBeliefListener(IBeliefListener<T> listener)`	Remove a belief listener.
`boolean`	`setFact(java.lang.Object fact)`	Set a fact of a belief.

Methods inherited from interface jadex.bdiv3x.runtime.IElement
getModelElement

- Method Detail
  - setFact
```
boolean setFact(java.lang.Object fact)
```
    Set a fact of a belief. Only changes the belief, if the new value is not equal to the old value.
    
    Parameters:
    
    fact - The new fact.
    
    Returns:
    
    True, if the value was changed.
  - getFact
```
java.lang.Object getFact()
```
    Get the fact of a belief.
    
    Returns:
    
    The fact.
  - modified
```
void modified()
```
    Indicate that the fact of this belief was modified. Calling this method causes an internal fact changed event that might cause dependent actions.
  - getClazz
```
java.lang.Class<?> getClazz()
```
    Get the value class.
    
    Returns:
    
    The valuec class.
  - addBeliefListener
```
<T> void addBeliefListener(IBeliefListener<T> listener)
```
    Add a belief listener.
    
    Parameters:
    
    listener - The belief listener.
  - removeBeliefListener
```
<T> void removeBeliefListener(IBeliefListener<T> listener)
```
    Remove a belief listener.
    
    Parameters:
    
    listener - The belief listener.