/**
* eAdventure (formerly <e-Adventure> and <e-Game>) is a research project of the
* <e-UCM> research group.
*
* Copyright 2005-2010 <e-UCM> research group.
*
* You can access a list of all the contributors to eAdventure at:
* http://e-adventure.e-ucm.es/contributors
*
* <e-UCM> is a research group of the Department of Software Engineering
* and Artificial Intelligence at the Complutense University of Madrid
* (School of Computer Science).
*
* C Profesor Jose Garcia Santesmases sn,
* 28040 Madrid (Madrid), Spain.
*
* For more info please visit: <http://e-adventure.e-ucm.es> or
* <http://www.e-ucm.es>
*
* ****************************************************************************
*
* This file is part of eAdventure, version 2.0
*
* eAdventure is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* eAdventure 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with eAdventure. If not, see <http://www.gnu.org/licenses/>.
*/
package es.eucm.ead.importer;
import com.google.inject.Singleton;
import es.eucm.ead.model.elements.BasicElement;
import es.eucm.ead.model.elements.operations.ElementField;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.HashMap;
import java.util.Map;
@Singleton
public class EAdElementsCache {
static private Logger logger = LoggerFactory
.getLogger(EAdElementsCache.class);
private Map<String, BasicElement> elements;
private Map<String, Integer> references;
private Map<String, Map<String, ElementField>> fields;
public EAdElementsCache() {
elements = new HashMap<String, BasicElement>();
fields = new HashMap<String, Map<String, ElementField>>();
references = new HashMap<String, Integer>();
}
public void put(BasicElement element) {
elements.put(element.getId(), element);
}
public BasicElement get(String id) {
BasicElement element = elements.get(id);
if (element == null) {
logger.warn("No element for id {}", id);
}
return element;
}
public Integer newReference(String id) {
Integer ref = references.get(id);
if (ref == null) {
ref = 0;
} else {
ref++;
}
references.put(id, ref);
return ref;
}
public <T> ElementField getField(String elementId, String var) {
return getField(elements.get(elementId), var);
}
@SuppressWarnings("unchecked")
public <T> ElementField getField(BasicElement element, String var) {
if (element != null && element.getId() != null) {
Map<String, ElementField> fieldsMap = fields.get(element.getId());
if (fieldsMap == null) {
fieldsMap = new HashMap<String, ElementField>();
fields.put(element.getId(), fieldsMap);
}
ElementField field = (ElementField) fieldsMap.get(var);
if (field == null) {
field = new ElementField(element, var);
fieldsMap.put(var, field);
}
return field;
} else {
return new ElementField(element, var);
}
}
public void clear() {
elements.clear();
fields.clear();
}
}