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/*******************************************************************************
* Copyright (c) 2010 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.orcs.db.internal.accessor;
import static org.eclipse.osee.framework.database.core.IOseeStatement.MAX_FETCH;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.osee.framework.core.enums.TxChange;
import org.eclipse.osee.framework.database.IOseeDatabaseService;
import org.eclipse.osee.framework.database.core.IOseeStatement;
import org.eclipse.osee.framework.database.core.IdJoinQuery;
import org.eclipse.osee.framework.database.core.JoinUtility;
import org.eclipse.osee.framework.database.core.OseeConnection;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
/**
* @author Ryan D. Brooks
*/
public class UpdatePreviousTxCurrent {
private static final String UPDATE_TXS_NOT_CURRENT =
"update osee_txs SET tx_current = " + TxChange.NOT_CURRENT.getValue() + " where branch_id = ? AND gamma_id = ? and transaction_id = ?";
private static final String SELECT_TXS_AND_GAMMAS =
"SELECT txs.transaction_id, txs.gamma_id FROM osee_join_id idj, %s item, osee_txs txs WHERE idj.query_id = ? and idj.id = item.%s AND item.gamma_id = txs.gamma_id AND txs.branch_id = ? AND txs.tx_current <> ?";
// @formatter:off
private static final String SELECT_TXS_AND_GAMMAS_FROM_TXS ="with\n"+
"txs as (select gamma_id from osee_txs where branch_id = ? and transaction_id = ?),\n"+
"item as (\n"+
" SELECT item2.gamma_id FROM osee_attribute item1, txs, osee_attribute item2 where txs.gamma_id = item1.gamma_id and item1.attr_id = item2.attr_id\n"+
"UNION ALL\n"+
" SELECT item2.gamma_id FROM osee_artifact item1, txs, osee_artifact item2 where txs.gamma_id = item1.gamma_id and item1.art_id = item2.art_id\n"+
"UNION ALL\n"+
" SELECT item2.gamma_id FROM osee_relation_link item1, txs, osee_relation_link item2 where txs.gamma_id = item1.gamma_id and item1.rel_link_id = item2.rel_link_id)\n"+
"select txsb.transaction_id, txsb.gamma_id FROM item, osee_txs txsb where item.gamma_id = txsb.gamma_id AND txsb.branch_id = ? AND transaction_id <> ? AND txsb.tx_current <> ?";
// @formatter:on
private final IOseeDatabaseService dbService;
private final long branchId;
private final OseeConnection connection;
private IdJoinQuery artifactJoin;
private IdJoinQuery attributeJoin;
private IdJoinQuery relationJoin;
public UpdatePreviousTxCurrent(IOseeDatabaseService dbService, OseeConnection connection, long branchId) {
this.dbService = dbService;
this.branchId = branchId;
this.connection = connection;
}
public void addAttribute(int attributeId) {
if (attributeJoin == null) {
attributeJoin = JoinUtility.createIdJoinQuery(dbService);
}
attributeJoin.add(attributeId);
}
public void addArtifact(int artifactId) {
if (artifactJoin == null) {
artifactJoin = JoinUtility.createIdJoinQuery(dbService);
}
artifactJoin.add(artifactId);
}
public void addRelation(int relationId) {
if (relationJoin == null) {
relationJoin = JoinUtility.createIdJoinQuery(dbService);
}
relationJoin.add(relationId);
}
public void updateTxNotCurrents() throws OseeCoreException {
updateTxNotCurrents("osee_artifact", "art_id", artifactJoin);
updateTxNotCurrents("osee_attribute", "attr_id", attributeJoin);
updateTxNotCurrents("osee_relation_link", "rel_link_id", relationJoin);
}
private void updateTxNotCurrents(String tableName, String columnName, IdJoinQuery idJoin) throws OseeCoreException {
if (idJoin != null) {
idJoin.store(connection);
updateNoLongerCurrentGammas(tableName, columnName, idJoin.getQueryId());
idJoin.delete(connection);
}
}
private void updateNoLongerCurrentGammas(String tableName, String columnName, int queryId) throws OseeCoreException {
String query = String.format(SELECT_TXS_AND_GAMMAS, tableName, columnName);
List<Object[]> updateData = new ArrayList<Object[]>();
IOseeStatement chStmt = dbService.getStatement(connection);
try {
chStmt.runPreparedQuery(MAX_FETCH, query, queryId, branchId, TxChange.NOT_CURRENT.getValue());
while (chStmt.next()) {
updateData.add(new Object[] {branchId, chStmt.getLong("gamma_id"), chStmt.getInt("transaction_id")});
}
} finally {
chStmt.close();
}
dbService.runBatchUpdate(connection, UPDATE_TXS_NOT_CURRENT, updateData);
}
public void updateTxNotCurrentsFromTx(int transaction_id) throws OseeCoreException {
List<Object[]> updateData = new ArrayList<Object[]>();
IOseeStatement chStmt = dbService.getStatement(connection);
try {
chStmt.runPreparedQuery(MAX_FETCH, SELECT_TXS_AND_GAMMAS_FROM_TXS, branchId, transaction_id, branchId,
transaction_id, TxChange.NOT_CURRENT.getValue());
while (chStmt.next()) {
updateData.add(new Object[] {branchId, chStmt.getLong("gamma_id"), chStmt.getInt("transaction_id")});
}
} finally {
chStmt.close();
}
dbService.runBatchUpdate(connection, UPDATE_TXS_NOT_CURRENT, updateData);
}
}
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