FieldInstance (Ontopia)

```
public final class FieldInstance
extends Object
```
Represents a populated field attached to an instance topic.

Constructors
Constructor and Description
`FieldInstance(Topic instance, FieldAssignment fieldAssignment)`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addValue(Object value, LifeCycleListener listener)` Add a new FieldValue object.
`FieldAssignment`	`getFieldAssignment()` Returns the assigned field of which this is an instance.
`Topic`	`getInstance()` Returns the topic this field instance is attached to.
`Collection<? extends Object>`	`getValues()` Returns a collection of Objects.
`void`	`removeValue(Object value, LifeCycleListener listener)` Removes the value.

public FieldInstance(Topic instance,
                     FieldAssignment fieldAssignment)

getFieldAssignment
```
public FieldAssignment getFieldAssignment()
```
Returns the assigned field of which this is an instance.

getInstance
```
public Topic getInstance()
```
Returns the topic this field instance is attached to.

public Collection<? extends Object> getValues()

Returns a collection of Objects.

public void addValue(Object value,
                     LifeCycleListener listener)

Add a new FieldValue object.

public void removeValue(Object value,
                        LifeCycleListener listener)

Removes the value.

Class FieldInstance