BeliefState

java.lang.Object
- net.sf.tweety.agents.dialogues.oppmodels.BeliefState

Direct Known Subclasses:

T1BeliefState, T2BeliefState, T3BeliefState
```
public abstract class BeliefState
extends java.lang.Object
```
This abstract class encapsulates the common characteristics of a belief state for arguing agents.

Author:

Matthias Thimm, Tjitze Rienstra

Constructor Summary

Constructors
Constructor	Description
`BeliefState(Extension knownArguments, UtilityFunction<Argument,Extension> utilityFunction)`	Creates a new belief-state with the given parameters.

Method Summary

Modifier and Type	Method	Description
`abstract java.lang.Object`	`clone()`
`abstract java.lang.String`	`display()`	Pretty print of this belief state.
`boolean`	`equals(java.lang.Object obj)`
`int`	`hashCode()`
`ExecutableExtension`	`move(ArgumentationEnvironment env)`	Gives the next best move according to the belief state and the given trace.
`abstract void`	`update(DialogueTrace<Argument,Extension> trace)`	Updates the current belief state accordingly to the given dialogue trace.

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

- Constructor Detail
  - BeliefState
```
public BeliefState(Extension knownArguments,
                   UtilityFunction<Argument,Extension> utilityFunction)
```
    Creates a new belief-state with the given parameters.
    
    Parameters:
    
    knownArguments - the set of arguments known by the agent.
    
    utilityFunction - the utility function of the agent.
- Method Detail
  - update
```
public abstract void update(DialogueTrace<Argument,Extension> trace)
```
    Updates the current belief state accordingly to the given dialogue trace.
    
    Parameters:
    
    trace - a dialogue trace
  - display
```
public abstract java.lang.String display()
```
    Pretty print of this belief state.
    
    Returns:
    
    a string representation of this state.
  - move
```
public ExecutableExtension move(ArgumentationEnvironment env)
```
    Gives the next best move according to the belief state and the given trace.
    
    Parameters:
    
    env - the environment (gives access to the current trace)
    
    Returns:
    
    a set of arguments.
  - clone
```
public abstract java.lang.Object clone()
```
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object
  - equals
```
public boolean equals(java.lang.Object obj)
```
    Overrides:
    
    equals in class java.lang.Object