001/*-
002 * #%L
003 * HAPI FHIR Server - SQL Migration
004 * %%
005 * Copyright (C) 2014 - 2023 Smile CDR, Inc.
006 * %%
007 * Licensed under the Apache License, Version 2.0 (the "License");
008 * you may not use this file except in compliance with the License.
009 * You may obtain a copy of the License at
010 *
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 * #L%
019 */
020package ca.uhn.fhir.jpa.migrate.taskdef;
021
022import ca.uhn.fhir.jpa.migrate.JdbcUtils;
023import ca.uhn.fhir.util.VersionEnum;
024
025import java.sql.SQLException;
026import java.util.Set;
027
028public class CalculateHashesTask extends BaseColumnCalculatorTask {
029
030        /**
031         * Constructor
032         */
033        public CalculateHashesTask(VersionEnum theRelease, String theVersion) {
034                super(theRelease, theVersion);
035                setDescription("Calculate resource search parameter index hashes");
036                setPidColumnName("SP_ID");
037        }
038
039        @Override
040        protected boolean shouldSkipTask() {
041                try {
042                        Set<String> tableNames = JdbcUtils.getTableNames(getConnectionProperties());
043                        boolean shouldSkip = tableNames.contains("HFJ_RES_REINDEX_JOB");
044                        // This table was added shortly after hash indexes were added, so it is a reasonable indicator for whether
045                        // this
046                        // migration has already been run
047                        if (shouldSkip) {
048                                logInfo(ourLog, "The table HFJ_RES_REINDEX_JOB already exists.  Skipping calculate hashes task.");
049                        }
050                        return shouldSkip;
051                } catch (SQLException e) {
052                        logInfo(ourLog, "Error retrieving table names, skipping task");
053                        return true;
054                }
055        }
056}