GraphReader

All Superinterfaces:

java.lang.AutoCloseable, java.io.Closeable

All Known Implementing Classes:

BinaryGraphReader
```
public interface GraphReader
extends java.lang.AutoCloseable, java.io.Closeable
```
Base interface for classes that can read graph.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`addObserver(GraphReaderObserver observer)`	Add a new observer to this graph reader.
`void`	`close()`	Close this graph reader.
`Graph`	`read()`	Read a graph an returns it.

- Method Detail
  - addObserver
```
void addObserver(GraphReaderObserver observer)
```
    Add a new observer to this graph reader.
    
    Parameters:
    
    observer - Observer to add.
  - read
```
Graph read()
    throws java.io.IOException
```
    Read a graph an returns it.
    
    Returns:
    
    The graph read.
    
    Throws:
    
    java.io.IOException - if an exception occurs while reading the graph.
  - close
```
void close()
    throws java.io.IOException
```
    Close this graph reader.
    
    Specified by:
    
    close in interface java.lang.AutoCloseable
    
    Specified by:
    
    close in interface java.io.Closeable
    
    Throws:
    
    java.io.IOException - if an exception occurs while closing the reader.