/*
* Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
* Copyright (C) $$Year-Rel$$ The Jalview Authors
*
* This file is part of Jalview.
*
* Jalview is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* Jalview is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Jalview. If not, see .
* The Jalview Authors are detailed in the 'AUTHORS' file.
*/
package jalview.datamodel.features;
import java.util.HashMap;
import java.util.Map;
/**
* A singleton to hold metadata about feature attributes, keyed by a unique
* feature source identifier
*
* @author gmcarstairs
*
*/
public class FeatureSources
{
private static FeatureSources instance = new FeatureSources();
private Map sources;
/**
* Answers the singleton instance of this class
*
* @return
*/
public static FeatureSources getInstance()
{
return instance;
}
private FeatureSources()
{
sources = new HashMap<>();
}
/**
* Answers the FeatureSource with the given unique identifier, or null if not
* known
*
* @param sourceId
* @return
*/
public FeatureSourceI getSource(String sourceId)
{
return sources.get(sourceId);
}
/**
* Adds the given source under the given key. This will replace any existing
* source with the same id, it is the caller's responsibility to ensure keys
* are unique if necessary.
*
* @param sourceId
* @param source
*/
public void addSource(String sourceId, FeatureSource source)
{
sources.put(sourceId, source);
}
}