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/*******************************************************************************
* Copyright (c) 2011 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.skynet.core.utility;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.osee.framework.core.exception.OseeDataStoreException;
import org.eclipse.osee.framework.core.operation.OperationLogger;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.framework.skynet.core.internal.Activator;
import org.eclipse.osee.jdbc.JdbcClient;
import org.eclipse.osee.jdbc.JdbcConnection;
import org.eclipse.osee.jdbc.JdbcStatement;
/**
* Purge artifact, attribute, and relation versions that are not addressed or nonexistent and purge empty transactions
*
* @author Ryan D. Brooks
*/
public class PurgeUnusedBackingDataAndTransactions extends AbstractDbTxOperation {
private static final String NOT_ADDRESSESED_GAMMAS =
"select gamma_id from %s t1 where not exists (select 1 from osee_txs txs1 where t1.gamma_id = txs1.gamma_id) and not exists (select 1 from osee_txs_archived txs3 where t1.gamma_id = txs3.gamma_id)";
private static final String EMPTY_TRANSACTIONS =
"select branch_id, transaction_id from osee_tx_details txd where not exists (select 1 from osee_txs txs1 where txs1.branch_id = txd.branch_id and txs1.transaction_id = txd.transaction_id) and not exists (select 1 from osee_txs_archived txs2 where txs2.branch_id = txd.branch_id and txs2.transaction_id = txd.transaction_id)";
private static final String NONEXISTENT_GAMMAS = "SELECT gamma_id FROM %s txs WHERE " + //
"NOT EXISTS (SELECT 1 FROM osee_attribute att WHERE txs.gamma_id = att.gamma_id) " + //
"AND NOT EXISTS (SELECT 1 FROM osee_artifact art WHERE txs.gamma_id = art.gamma_id) " + //
"AND NOT EXISTS (SELECT 1 FROM osee_relation_link rel WHERE txs.gamma_id = rel.gamma_id)";
private static final String DELETE_GAMMAS = "DELETE FROM %s WHERE gamma_id = ?";
private static final String DELETE_EMPTY_TRANSACTIONS =
"DELETE FROM osee_tx_details WHERE branch_id = ? and transaction_id = ?";
public PurgeUnusedBackingDataAndTransactions(OperationLogger logger) throws OseeDataStoreException {
this(ConnectionHandler.getJdbcClient(), logger);
}
private PurgeUnusedBackingDataAndTransactions(JdbcClient jdbcClient, OperationLogger logger) {
super(jdbcClient, "Data with no TXS Addressing and empty transactions", Activator.PLUGIN_ID, logger);
}
private void processNotAddressedGammas(JdbcConnection connection, String tableName) throws OseeCoreException {
List<Object[]> notAddressedGammas = new LinkedList<>();
JdbcStatement chStmt = getJdbcClient().getStatement(connection);
try {
String sql = String.format(NOT_ADDRESSESED_GAMMAS, tableName);
chStmt.runPreparedQuery(sql);
while (chStmt.next()) {
notAddressedGammas.add(new Object[] {chStmt.getLong("gamma_id")});
log(String.valueOf(chStmt.getLong("gamma_id")));
}
} finally {
chStmt.close();
}
if (!notAddressedGammas.isEmpty()) {
getJdbcClient().runBatchUpdate(connection, String.format(DELETE_GAMMAS, tableName), notAddressedGammas);
}
}
private void processAddressedButNonexistentGammas(JdbcConnection connection, String tableName) throws OseeCoreException {
List<Object[]> nonexistentGammas = new LinkedList<>();
JdbcStatement chStmt = getJdbcClient().getStatement(connection);
try {
String sql = String.format(NONEXISTENT_GAMMAS, tableName);
chStmt.runPreparedQuery(sql);
while (chStmt.next()) {
nonexistentGammas.add(new Object[] {chStmt.getInt("gamma_id")});
log(String.valueOf(chStmt.getInt("gamma_id")));
}
} finally {
chStmt.close();
}
if (!nonexistentGammas.isEmpty()) {
getJdbcClient().runBatchUpdate(connection, String.format(DELETE_GAMMAS, tableName), nonexistentGammas);
}
}
private void processEmptyTransactions(JdbcConnection connection) throws OseeCoreException {
List<Object[]> emptyTransactions = new LinkedList<>();
JdbcStatement chStmt = getJdbcClient().getStatement(connection);
try {
chStmt.runPreparedQuery(EMPTY_TRANSACTIONS);
while (chStmt.next()) {
emptyTransactions.add(new Object[] {chStmt.getLong("branch_id"), chStmt.getInt("transaction_id")});
log(String.valueOf(chStmt.getInt("transaction_id")));
}
} finally {
chStmt.close();
}
if (!emptyTransactions.isEmpty()) {
getJdbcClient().runBatchUpdate(connection, DELETE_EMPTY_TRANSACTIONS, emptyTransactions);
}
}
@Override
protected void doTxWork(IProgressMonitor monitor, JdbcConnection connection) throws OseeCoreException {
processNotAddressedGammas(connection, "osee_attribute");
processNotAddressedGammas(connection, "osee_artifact");
processNotAddressedGammas(connection, "osee_relation_link");
processAddressedButNonexistentGammas(connection, "osee_txs");
processAddressedButNonexistentGammas(connection, "osee_txs_archived");
processEmptyTransactions(connection);
}
}
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