JournalistTerm.java

/**
 * Copyright 1999-2009 The Pegadi Team
 *
 * 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.pegadi.articlesearch;

import no.dusken.common.model.Person;
import org.pegadi.sqlsearch.SearchTerm;

import java.util.Arrays;
import java.util.List;

/**
 * This class imlements a search based on a journalist.
 *
 * @author Eirik Bjorsnos <bjorsnos@underdusken.no>
 */
public class JournalistTerm extends SearchTerm implements java.io.Serializable {

    /**
     * The reference of the journalist to search for
     */
    private final String journalistRef;

    /**
     * Constructor takes the reference of a specific journalist.
     *
     * @param journalistRef The username of the Journalist
     */
    public JournalistTerm(String journalistRef) {
        this.journalistRef = journalistRef;
    }

    public JournalistTerm(Person person) {
        this.journalistRef = person.getUsername();
    }

    /**
     * Generates the WHERE part of the SQL query (without including the string
     * "WHERE").
     *
     * @return The WHERE clause
     */
    public String whereClause() {
        return String.format("(Article.refJournalist = '%s' OR CoJournalists.refJournalist = '%s')", journalistRef, journalistRef);
    }

    /**
     * Returns the names of the tables involved in this search.
     *
     * @return A String[] containing the involved tables. The array may contain
     *         multiple instances of each table name.
     */
    public List<String> getTables() {
        return Arrays.asList("Article LEFT JOIN CoJournalists ON Article.ID=CoJournalists.refArticle");
    }

    public List<String> getIgnoreTables() {
        return Arrays.asList("Article", "CoJournalists");
    }
}