RrdFileBackendFactory (I2P Anonymous Network - Java Documentation - Version 0.9.34)

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java.lang.Object
- org.jrobin.core.RrdBackendFactory
- - org.jrobin.core.RrdFileBackendFactory

Direct Known Subclasses:

RrdNioBackendFactory, RrdNioByteBufferBackendFactory, RrdSafeFileBackendFactory
```
public class RrdFileBackendFactory
extends RrdBackendFactory
```
Factory class which creates actual RrdFileBackend objects. This was the default backend factory in JRobin before 1.4.0 release.

Field Summary

Fields
Modifier and Type Field Description

static String NAME
factory name, "FILE"

Constructor Summary

Constructors
Constructor Description

RrdFileBackendFactory()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected boolean`	`exists(String path)`	Method to determine if a file with the given path already exists.
`String`	`getFactoryName()`	Returns the name of this factory.
`protected RrdBackend`	`open(String path, boolean readOnly)`	Creates RrdFileBackend object for the given file path.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from class org.jrobin.core.RrdBackendFactory
getDefaultFactory, getFactory, isInstanceCreated, registerAndSetAsDefaultFactory, registerFactory, setDefaultFactory, toString

- Field Detail
  - NAME
```
public static final String NAME
```
    factory name, "FILE"
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - RrdFileBackendFactory
```
public RrdFileBackendFactory()
```
- Method Detail
  - open
```
protected RrdBackend open(String path,
                          boolean readOnly)
                   throws IOException
```
    Creates RrdFileBackend object for the given file path.
    
    Specified by:
    
    open in class RrdBackendFactory
    
    Parameters:
    
    path - File path
    
    readOnly - True, if the file should be accessed in read/only mode. False otherwise.
    
    Returns:
    
    RrdFileBackend object which handles all I/O operations for the given file path
    
    Throws:
    
    IOException - Thrown in case of I/O error.
  - exists
```
protected boolean exists(String path)
```
    Method to determine if a file with the given path already exists.
    
    Specified by:
    
    exists in class RrdBackendFactory
    
    Parameters:
    
    path - File path
    
    Returns:
    
    True, if such file exists, false otherwise.
  - getFactoryName
```
public String getFactoryName()
```
    Returns the name of this factory.
    
    Specified by:
    
    getFactoryName in class RrdBackendFactory
    
    Returns:
    
    Factory name (equals to string "FILE")

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