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// BridgeDb,
// An abstraction layer for identifier mapping services, both local and online.
//
// Copyright 2006-2009  BridgeDb developers
// Copyright 2012-2013  Christian Y. A. Brenninkmeijer
// Copyright 2012-2013  OpenPhacts
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package org.bridgedb.uri.api;

import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.apache.log4j.Logger;
import org.bridgedb.DataSource;
import org.bridgedb.Xref;
import org.bridgedb.pairs.IdSysCodePair;
import org.bridgedb.uri.api.Mapping;
import org.bridgedb.utils.BridgeDBException;

/**
 *
 * @author Christian
 * @deprecated 
 */
public class MappingsBySysCodeId {
    
    private Map>> allMappings = new HashMap>>();
    private static final Logger logger = Logger.getLogger(MappingsBySysCodeId.class);

    public MappingsBySysCodeId(Map>> allMappings) {
        this.allMappings = allMappings;
    }
    
    public Set getSysCodes(){
        return allMappings.keySet();
    }

    //Semantic sugar method for webtemplate
    public final String getDataSourceName (String sysCode){
        return DataSource.getExistingBySystemCode(sysCode).getFullName();
    }
    
    public Set getIds(String sysCode) throws BridgeDBException {
        Map> byCode = allMappings.get(sysCode);
        if (byCode == null){
            throw new BridgeDBException ("No mappings known for sysCode " + sysCode);
        }
        if (byCode.keySet().isEmpty()){
            throw new BridgeDBException ("Empty mappings known for sysCode " + sysCode);            
        }
        if (logger.isDebugEnabled()){
            logger.debug("getIDs " + sysCode + " -> " + byCode.keySet());
        }
        return byCode.keySet();
    }

    public Set getUris(String sysCode, String id) throws BridgeDBException {
        Map> byCode = allMappings.get(sysCode);
        if (byCode == null){
            throw new BridgeDBException ("No mappings known for sysCode " + sysCode);
        }
        Set byId = byCode.get(id);
        if (byId == null){
            throw new BridgeDBException ("No mappings known for sysCode " + sysCode + " and id " + id);
        }
        return byId;
    }

    public void merge(MappingsBySysCodeId other) {
        for (String sysCode: other.allMappings.keySet()){
            if (allMappings.containsKey(sysCode)){
                 Map> byCode = allMappings.get(sysCode);
                 Map> otherByCode = other.allMappings.get(sysCode);
                 for (String id: otherByCode.keySet()){
                     if (byCode.containsKey(id)){
                         byCode.get(id).addAll(otherByCode.get(id));
                     } else {
                         byCode.put(id, otherByCode.get(id));
                     }
                 }
            } else {
                allMappings.put(sysCode, other.allMappings.get(sysCode));
            }
        }
    }

    public boolean isEmpty() {
        return allMappings.isEmpty();
    }

    public Set getUris() {
        Set result = new HashSet();
        for (String sysCode: allMappings.keySet()){
            Map> byCode = allMappings.get(sysCode);
            for (String id: byCode.keySet()){
                result.addAll(byCode.get(id));
            }
        }
        return result;
    }
    
    //public String asHtmlList(){
    //    
   // }
}