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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.search.engine.utility;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.eclipse.osee.framework.core.exception.OseeDataStoreException;
import org.eclipse.osee.framework.database.IOseeDatabaseService;
import org.eclipse.osee.framework.database.core.ConnectionHandler;
import org.eclipse.osee.framework.database.core.IOseeStatement;
import org.eclipse.osee.framework.database.core.OseeConnection;
import org.eclipse.osee.framework.search.engine.data.AttributeVersion;
import org.eclipse.osee.framework.search.engine.data.IAttributeLocator;
import org.eclipse.osee.framework.search.engine.data.SearchTag;
/**
* @author Roberto E. Escobar
*/
public class SearchTagDataStore {
private static String INSERT_SEARCH_TAG_BODY = "insert into osee_search_tags (gamma_id, coded_tag_id) values (?, ?)";
private static final String DELETE_SEARCH_TAGS = "delete from osee_search_tags where gamma_id = ?";
private static final String SELECT_TOTAL_TAGS = "select count(1) from osee_search_tags";
private static final String SELECT_TOTAL_QUERY_IDS_IN_QUEUE =
"select count(DISTINCT query_id) from osee_tag_gamma_queue";
private static final String SELECT_SEARCH_TAGS =
"select ost1.gamma_id from osee_search_tags ost1 where ost1.coded_tag_id = ?";
private final IOseeDatabaseService databaseService;
public SearchTagDataStore(IOseeDatabaseService databaseService) {
this.databaseService = databaseService;
}
public long getTotalQueryIdsInQueue() throws OseeDataStoreException {
return databaseService.runPreparedQueryFetchObject(-1L, SELECT_TOTAL_QUERY_IDS_IN_QUEUE);
}
public long getTotalTags() throws OseeDataStoreException {
return databaseService.runPreparedQueryFetchObject(-1L, SELECT_TOTAL_TAGS);
}
public int deleteTags(OseeConnection connection, int queryId) throws OseeDataStoreException {
int numberDeleted = 0;
IOseeStatement chStmt = databaseService.getStatement(connection);
try {
chStmt.runPreparedQuery("select gamma_id from osee_join_transaction where query_id = ?", queryId);
List<Object[]> datas = new ArrayList<Object[]>();
while (chStmt.next()) {
datas.add(new Object[] {chStmt.getLong("gamma_id")});
}
if (!datas.isEmpty()) {
numberDeleted = databaseService.runBatchUpdate(connection, DELETE_SEARCH_TAGS, datas);
}
} finally {
chStmt.close();
}
return numberDeleted;
}
public int deleteTags(OseeConnection connection, Collection<IAttributeLocator> locators) throws OseeDataStoreException {
return deleteTags(connection, locators.toArray(new IAttributeLocator[locators.size()]));
}
public int deleteTags(OseeConnection connection, IAttributeLocator... locators) throws OseeDataStoreException {
int numberDeleted = 0;
if (locators.length > 0) {
List<Object[]> datas = new ArrayList<Object[]>();
for (IAttributeLocator locator : locators) {
datas.add(new Object[] {locator.getGammaId()});
}
numberDeleted = databaseService.runBatchUpdate(connection, DELETE_SEARCH_TAGS, datas);
}
return numberDeleted;
}
public int storeTags(OseeConnection connection, Collection<SearchTag> searchTags) throws OseeDataStoreException {
return storeTags(connection, searchTags.toArray(new SearchTag[searchTags.size()]));
}
public static int storeTags(OseeConnection connection, SearchTag... searchTags) throws OseeDataStoreException {
int updated = 0;
if (searchTags != null && searchTags.length > 0) {
for (SearchTag searchTag : searchTags) {
List<Object[]> data = new ArrayList<Object[]>();
for (Long codedTag : searchTag.getTags()) {
data.add(new Object[] {searchTag.getGammaId(), codedTag});
}
updated += ConnectionHandler.runBatchUpdate(connection, INSERT_SEARCH_TAG_BODY, data);
}
}
return updated;
}
public static Set<IAttributeLocator> fetchTagEntries(OseeConnection connection, Collection<Long> codedTags) throws Exception {
return fetchTagEntries(connection, codedTags.toArray(new Long[codedTags.size()]));
}
public static Set<IAttributeLocator> fetchTagEntries(OseeConnection connection, Long... codedTags) throws OseeDataStoreException {
final Set<IAttributeLocator> toReturn = new HashSet<IAttributeLocator>();
for (Long codedTag : codedTags) {
IOseeStatement chStmt = ConnectionHandler.getStatement(connection);
try {
chStmt.runPreparedQuery(SELECT_SEARCH_TAGS, codedTag);
while (chStmt.next()) {
toReturn.add(new AttributeVersion(chStmt.getLong("gamma_id")));
}
} finally {
chStmt.close();
}
}
return toReturn;
}
}
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