org.eclipse.scada.hd.server.storage.hds

Class AbstractStorageManager

java.lang.Object

org.eclipse.scada.hd.server.storage.hds.AbstractStorageManager

Direct Known Subclasses:

StorageManager, StorageManager

public class AbstractStorageManager
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
protected java.io.File	base
protected java.util.concurrent.ScheduledExecutorService	queryExecutor

Constructor Summary

Constructors

Constructor and Description
AbstractStorageManager(java.io.File base)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	checkValid() Check if the base directory is a valid directory
void	dispose()
protected java.util.Map<java.lang.String,java.io.File>	findStorages() Scan the file base for valid storages
protected java.lang.String	probe(java.io.File file) Probe the directory if it is a valid storage

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

queryExecutor

protected final java.util.concurrent.ScheduledExecutorService queryExecutor

base

protected final java.io.File base

Constructor Detail

AbstractStorageManager

public AbstractStorageManager(java.io.File base)

Method Detail

dispose

public void dispose()

findStorages

protected java.util.Map<java.lang.String,java.io.File> findStorages()

Scan the file base for valid storages

Returns:

an id to directory map with valid storages

probe

protected java.lang.String probe(java.io.File file)

Probe the directory if it is a valid storage

Parameters:

file - the directory to probe

Returns:

the id of storage or null if it is not a valid store

checkValid

protected void checkValid()

Check if the base directory is a valid directory

Throws:

java.lang.IllegalStateException - if the base if not valid