MultiStreamDataSource

All Superinterfaces:

DataSource
```
public interface MultiStreamDataSource
extends DataSource
```
A data source with multiple input streams, each identified by a unique name. FolderDataSource may serve as a good example of a concrete implementation.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`delete(String name)`
`Iterable<String>`	`getAvailableStreams()`
`InputStream`	`openInputStream(String name)`	Access named stream for reading.
`OutputStream`	`openOutputStream(String name)`	Access named stream for writing.

Methods inherited from interface org.jetbrains.mps.openapi.persistence.DataSource
addListener, getLocation, getTimestamp, getType, isReadOnly, removeListener

- Method Detail
  - getAvailableStreams
```
@NotNull
Iterable<String> getAvailableStreams()
```
  - openInputStream
```
@NotNull
InputStream openInputStream(String name)
                     throws IOException
```
    Access named stream for reading. Caller is responsible to close the stream once done.
    
    Parameters:
    
    name - name of the stream to read // fixme what does it mean -- the name???
    
    Returns:
    
    stream to read from, never null
    
    Throws:
    
    IOException - if failed to open given named stream
  - openOutputStream
```
@NotNull
OutputStream openOutputStream(String name)
                       throws IOException
```
    Access named stream for writing. Caller is responsible to close the stream once done.
    
    Parameters:
    
    name - name of the stream to write
    
    Returns:
    
    stream to write to, never null
    
    Throws:
    
    IOException
  - delete
```
boolean delete(String name)
```