org.protempa.dest.key.KeySetDestination Maven / Gradle / Ivy

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Protempa Framework is the core of Protempa.

There is a newer version: 5.2-Alpha-2

package org.protempa.dest.key;

/*
 * #%L
 * Protempa Framework
 * %%
 * Copyright (C) 2012 - 2014 Emory University
 * %%
 * 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.
 * #L%
 */

import java.util.List;
import org.protempa.DataSource;
import org.protempa.DataSourceReadException;
import org.protempa.KnowledgeSource;
import org.protempa.ProtempaEventListener;
import org.protempa.dest.AbstractDestination;
import org.protempa.dest.GetSupportedPropositionIdsException;
import org.protempa.dest.QueryResultsHandler;
import org.protempa.dest.QueryResultsHandlerInitException;
import org.protempa.query.QueryMode;
import org.protempa.query.Query;

/**
 *
 * @author Andrew Post
 */
public class KeySetDestination extends AbstractDestination {
    private final String id;
    private final String displayName;
    
    public KeySetDestination() {
        this(null);
    }

    public KeySetDestination(String id) {
        this(id, null);
    }
    
    public KeySetDestination(String id, String displayName) {
        this.id = id;
        this.displayName = displayName;
    }

    @Override
    public String getDisplayName() {
        return this.displayName != null ? this.displayName : super.getDisplayName();
    }

    @Override
    public String getId() {
        return this.id != null ? this.id : super.getId();
    }
    
    @Override
    public QueryResultsHandler getQueryResultsHandler(Query query, DataSource dataSource, KnowledgeSource knowledgeSource, List eventListeners) throws QueryResultsHandlerInitException {
        if (query.getQueryMode() == QueryMode.UPDATE) {
            throw new QueryResultsHandlerInitException("Update mode not supported");
        }
        return new KeySetQueryResultsHandler(dataSource, knowledgeSource, this.id, this.displayName);
    }

    @Override
    public String[] getSupportedPropositionIds(DataSource dataSource, KnowledgeSource knowledgeSource) throws GetSupportedPropositionIdsException {
        try {
            return new String[]{dataSource.getKeyType()};
        } catch (DataSourceReadException ex) {
            throw new GetSupportedPropositionIdsException(ex);
        }
    }

}