/**
* Copyright (C) 2012-2013 Selventa, Inc.
*
* This file is part of the OpenBEL Framework.
*
* This program 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.
*
* The OpenBEL Framework 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 the OpenBEL Framework. If not, see <http://www.gnu.org/licenses/>.
*
* Additional Terms under LGPL v3:
*
* This license does not authorize you and you are prohibited from using the
* name, trademarks, service marks, logos or similar indicia of Selventa, Inc.,
* or, in the discretion of other licensors or authors of the program, the
* name, trademarks, service marks, logos or similar indicia of such authors or
* licensors, in any marketing or advertising materials relating to your
* distribution of the program or any covered product. This restriction does
* not waive or limit your obligation to keep intact all copyright notices set
* forth in the program as delivered to you.
*
* If you distribute the program in whole or in part, or any modified version
* of the program, and you assume contractual liability to the recipient with
* respect to the program or modified version, then you will indemnify the
* authors and licensors of the program for any liabilities that these
* contractual assumptions directly impose on those licensors and authors.
*/
package org.openbel.framework.ws.dialect;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.openbel.framework.api.Dialect;
import org.openbel.framework.api.Kam.KamNode;
import org.openbel.framework.api.internal.KAMCatalogDao.KamInfo;
import org.openbel.framework.api.internal.KAMStoreDaoImpl.BelTerm;
import org.openbel.framework.api.KAMStore;
import org.openbel.framework.common.bel.parser.BELParser;
import org.openbel.framework.common.model.Term;
/**
* Simple dialect that uses the BEL short form of the first supporting term
* found for a {@link KamNode}.<br>
* This implementation caches labels for nodes and is thus suitable only for a
* single {@link Kam}. Usage across {@link Kam}s is not guarded against but will
* cause unpredictable results.<br>
* Construction of this class is limited to
* {@link DialectFactory#createDefaultDialect(KamInfo)}<br>
* This implementation is thread-safe.
*
* @author Steve Ungerer
*/
public class DefaultDialect implements Dialect {
private final KamInfo kamInfo;
private final KAMStore kAMStore;
private Map<String, String> labelCache =
new ConcurrentHashMap<String, String>();
/**
* Package constructor
* @param kamInfo
* @param kAMStore
*/
DefaultDialect(KamInfo kamInfo, KAMStore kAMStore) {
this.kamInfo = kamInfo;
this.kAMStore = kAMStore;
}
/**
* {@inheritDoc}
*/
@Override
public String getLabel(KamNode kamNode) {
String label = labelCache.get(kamNode.getLabel());
if (label == null) {
label = kamNode.getLabel();
try {
List<BelTerm> terms = kAMStore.getSupportingTerms(kamNode);
if (!terms.isEmpty()) {
BelTerm bt = terms.get(0);
Term t = BELParser.parseTerm(bt.getLabel());
label = t.toBELShortForm();
}
} catch (Exception e) {
// TODO exception
}
labelCache.put(kamNode.getLabel(), label);
}
return label;
}
/**
* {@inheritDoc}
*/
@Override
public int hashCode() {
return kamInfo.hashCode();
}
/**
* {@inheritDoc}
*/
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (this == obj) {
return true;
}
if (!(obj instanceof DefaultDialect)) {
return false;
}
DefaultDialect rhs = (DefaultDialect) obj;
return kamInfo.equals(rhs.kamInfo);
}
}