simtools.data
Class EmptyDataSourcePool

java.lang.Object
  simtools.data.EmptyDataSourcePool

public class EmptyDataSourcePool
extends java.lang.Object

Pool of empty data sources: holds a certain number of data sources that cannot be restored. A empty data source can be replaced with a real one as soon as a data source with same references has been created.

Author:

zxpletran007

Field Summary

protected java.util.ArrayList	dataSourcesToReplace
protected java.util.ArrayList	emptyCollections
protected java.util.HashMap	emptyDataSources
static EmptyDataSourcePool	global A global pool for all empty data sources used

Constructor Summary

EmptyDataSourcePool()

Method Summary

void	addEmptyCollection(java.lang.String dsId) Called when a collection could'nt provide a given data source.
void	addEmptyDaSource(java.lang.String dsId, EmptyDataSource eds)
boolean	containsEmptyCollection(java.lang.String dscId)
void	dataSourceAdded(java.lang.String dsId, DataSource ds) Called when a data source has been added to data source pool.
boolean	emptyDataSourcesCanBeReplaced()
java.lang.String[][]	getDataSourcesToReplace()
java.lang.String[]	getDataSourcesToReplaceTitles()
EmptyDataSource	getEmptyDataSource(java.lang.String dsId)
void	replaceAllDataSources() Replace all empty data sources that can be associated to a real data source

Methods inherited from class java.lang.Object

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

Field Detail

global

public static final EmptyDataSourcePool global

A global pool for all empty data sources used

emptyDataSources

protected java.util.HashMap emptyDataSources

emptyCollections

protected java.util.ArrayList emptyCollections

dataSourcesToReplace

protected java.util.ArrayList dataSourcesToReplace

Constructor Detail

EmptyDataSourcePool

public EmptyDataSourcePool()

Method Detail

addEmptyCollection

public void addEmptyCollection(java.lang.String dsId)

Called when a collection could'nt provide a given data source. Add this collection to the list of empty collections

Parameters:

dsId -

containsEmptyCollection

public boolean containsEmptyCollection(java.lang.String dscId)

getEmptyDataSource

public EmptyDataSource getEmptyDataSource(java.lang.String dsId)

addEmptyDaSource

public void addEmptyDaSource(java.lang.String dsId,
                             EmptyDataSource eds)

replaceAllDataSources

public void replaceAllDataSources()

Replace all empty data sources that can be associated to a real data source

emptyDataSourcesCanBeReplaced

public boolean emptyDataSourcesCanBeReplaced()

Returns:

true if it is possible to replace some empty data sources with real ones

getDataSourcesToReplaceTitles

public java.lang.String[] getDataSourcesToReplaceTitles()

getDataSourcesToReplace

public java.lang.String[][] getDataSourcesToReplace()

dataSourceAdded

public void dataSourceAdded(java.lang.String dsId,
                            DataSource ds)

Called when a data source has been added to data source pool. if possible, create an association between a corresponding empty data source and this one.

Parameters:

dsid, - the data source id

ds, - the data source newly created