ModuleIF (Ontopia)

All Known Implementing Classes:

Module
```
public interface ModuleIF
```
INTERNAL: Implemented by an object which represents a module. That is a collection of functions. The module is read in from a location specified by an URL.

See Also:

FunctionIF

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`addFunction(FunctionIF func)`	Adds a function to this module.
`void`	`clearFunctions()`	Removes all existing functions.
`Collection`	`getFunctions()`	Gets a collection of FunctionIF objects that are contained in this module.
`URL`	`getURL()`	Gets the URL from where this module was read in.
`boolean`	`hasResourceChanged()`	Checks if the resource has changed in the meantime by comparing the lastModified fields.
`void`	`readIn()`	Reads in functions contained in module from resource.
`String`	`toString()`	Returns a string representation of this object.

- Method Detail
  - getURL
```
URL getURL()
```
    Gets the URL from where this module was read in.
  - hasResourceChanged
```
boolean hasResourceChanged()
```
    Checks if the resource has changed in the meantime by comparing the lastModified fields.
  - readIn
```
void readIn()
     throws NavigatorRuntimeException
```
    Reads in functions contained in module from resource.
    
    Throws:
    
    NavigatorRuntimeException
  - clearFunctions
```
void clearFunctions()
```
    Removes all existing functions.
  - getFunctions
```
Collection getFunctions()
```
    Gets a collection of FunctionIF objects that are contained in this module.
    
    See Also:
    
    FunctionIF
  - addFunction
```
void addFunction(FunctionIF func)
```
    Adds a function to this module.
  - toString
```
String toString()
```
    Returns a string representation of this object.
    
    Overrides:
    
    toString in class Object