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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.orcs.db.internal.callable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.eclipse.osee.framework.core.data.ITransaction;
import org.eclipse.osee.framework.core.enums.ModificationType;
import org.eclipse.osee.framework.core.enums.TxChange;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.framework.jdk.core.util.Conditions;
import org.eclipse.osee.jdbc.JdbcClient;
import org.eclipse.osee.jdbc.JdbcConnection;
import org.eclipse.osee.jdbc.JdbcConstants;
import org.eclipse.osee.jdbc.JdbcStatement;
import org.eclipse.osee.logger.Log;
import org.eclipse.osee.orcs.OrcsSession;
import org.eclipse.osee.orcs.db.internal.sql.RelationalConstants;
import org.eclipse.osee.orcs.db.internal.sql.join.IdJoinQuery;
import org.eclipse.osee.orcs.db.internal.sql.join.SqlJoinFactory;
/**
* @author Ryan D. Brooks
*/
public class PurgeTransactionTxCallable extends AbstractDatastoreTxCallable<Integer> {
private static final String UPDATE_TXS_DETAILS_COMMENT =
"UPDATE osee_tx_details SET osee_comment = replace(osee_comment, ?, ?) WHERE osee_comment like ?";
private static final String DELETE_TXS = "delete from osee_txs where branch_id = ? and transaction_id = ?";
private static final String DELETE_TX_DETAILS =
"delete from osee_tx_details where branch_id = ? and transaction_id = ?";
private static final String SELECT_AFFECTED_ITEMS =
"SELECT %s as item_id from osee_txs txs, %s item where txs.branch_id = ? and txs.transaction_id = ? AND txs.gamma_id = item.gamma_id";
private static final String FIND_NEW_TX_CURRENTS =
"SELECT oj.id as item_id, txs.mod_type, txs.gamma_id, txs.transaction_id from osee_join_id oj, %s item, osee_txs txs where oj.query_id = ? and oj.id = item.%s and item.gamma_id = txs.gamma_id and txs.branch_id = ? order by oj.id desc, txs.transaction_id desc";
private static final String UPDATE_TX_CURRENT =
"update osee_txs set tx_current = ? where branch_id = ? and transaction_id = ? and gamma_id = ?";
private static final String GET_PRIOR_TRANSACTION =
"select max(transaction_id) FROM osee_tx_details where branch_id = ? and transaction_id < ?";
private static final String SELECT_TRANSACTION_BRANCH_ID =
"select branch_id from osee_tx_details WHERE transaction_id = ?";
private final SqlJoinFactory joinFactory;
private final Collection<? extends ITransaction> txIdsToDelete;
public PurgeTransactionTxCallable(Log logger, OrcsSession session, JdbcClient jdbcClient, SqlJoinFactory joinFactory, Collection<? extends ITransaction> txIdsToDelete) {
super(logger, session, jdbcClient);
this.joinFactory = joinFactory;
this.txIdsToDelete = txIdsToDelete;
}
private List<ITransaction> sortTxs(Collection<? extends ITransaction> txIdsToDelete) {
List<ITransaction> txs = new ArrayList<ITransaction>(txIdsToDelete);
if (txs.size() > 1) {
Collections.sort(txs, new Comparator<ITransaction>() {
@Override
public int compare(ITransaction o1, ITransaction o2) {
return o1.getGuid().compareTo(o2.getGuid());
}
});
}
return txs;
}
@Override
protected Integer handleTxWork(JdbcConnection connection) throws OseeCoreException {
Conditions.checkNotNull(txIdsToDelete, "transaction ids to delete");
Conditions.checkExpressionFailOnTrue(txIdsToDelete.isEmpty(), "transaction ids to delete cannot be empty");
List<ITransaction> txIds = sortTxs(txIdsToDelete);
int purgeCount = 0;
for (ITransaction tx : txIds) {
Integer txIdToDelete = tx.getGuid();
getLogger().info("Purging Transaction: [%s]", txIdToDelete);
List<Object[]> txsToDelete = new ArrayList<Object[]>();
long txBranchId =
getJdbcClient().runPreparedQueryFetchObject(RelationalConstants.BRANCH_SENTINEL,
SELECT_TRANSACTION_BRANCH_ID, txIdToDelete);
Conditions.checkExpressionFailOnTrue(RelationalConstants.BRANCH_SENTINEL == txBranchId,
"Cannot find branch for transaction record [%s]", txIdToDelete);
txsToDelete.add(new Object[] {txBranchId, txIdToDelete});
int previousTransactionId =
getJdbcClient().runPreparedQueryFetchObject(RelationalConstants.TRANSACTION_SENTINEL,
GET_PRIOR_TRANSACTION, txBranchId, txIdToDelete);
Conditions.checkExpressionFailOnTrue(
RelationalConstants.TRANSACTION_SENTINEL == previousTransactionId,
"You are trying to delete transaction [%d] which is a baseline transaction. If your intent is to delete the Branch use the delete Branch Operation. \n\nNO TRANSACTIONS WERE DELETED.",
txIdToDelete);
//Find affected items
Map<Long, IdJoinQuery> arts = findAffectedItems(connection, "art_id", "osee_artifact", txsToDelete);
Map<Long, IdJoinQuery> attrs = findAffectedItems(connection, "attr_id", "osee_attribute", txsToDelete);
Map<Long, IdJoinQuery> rels = findAffectedItems(connection, "rel_link_id", "osee_relation_link", txsToDelete);
//Update Baseline txs for Child Branches
setChildBranchBaselineTxs(connection, txIdToDelete, previousTransactionId);
//Remove txs Rows
getJdbcClient().runBatchUpdate(connection, DELETE_TX_DETAILS, txsToDelete);
getJdbcClient().runBatchUpdate(connection, DELETE_TXS, txsToDelete);
//Updating Previous txs to Current
List<Object[]> updateData = new ArrayList<Object[]>();
computeNewTxCurrents(connection, updateData, "art_id", "osee_artifact", arts);
computeNewTxCurrents(connection, updateData, "attr_id", "osee_attribute", attrs);
computeNewTxCurrents(connection, updateData, "rel_link_id", "osee_relation_link", rels);
getJdbcClient().runBatchUpdate(connection, UPDATE_TX_CURRENT, updateData);
purgeCount++;
getLogger().info("Transaction: [%s] - purged", txIdToDelete);
}
return purgeCount;
}
private void computeNewTxCurrents(JdbcConnection connection, Collection<Object[]> updateData, String itemId, String tableName, Map<Long, IdJoinQuery> affected) throws OseeCoreException {
String query = String.format(FIND_NEW_TX_CURRENTS, tableName, itemId);
for (Entry<Long, IdJoinQuery> entry : affected.entrySet()) {
Long branchUuid = entry.getKey();
IdJoinQuery joinQuery = entry.getValue();
try {
JdbcStatement statement = getJdbcClient().getStatement(connection);
try {
statement.runPreparedQuery(JdbcConstants.JDBC__MAX_FETCH_SIZE, query, joinQuery.getQueryId(), branchUuid);
int previousItem = -1;
while (statement.next()) {
int currentItem = statement.getInt("item_id");
if (previousItem != currentItem) {
ModificationType modType = ModificationType.getMod(statement.getInt("mod_type"));
TxChange txCurrent = TxChange.getCurrent(modType);
updateData.add(new Object[] {
txCurrent.getValue(),
branchUuid,
statement.getInt("transaction_id"),
statement.getLong("gamma_id")});
previousItem = currentItem;
}
}
} finally {
statement.close();
}
} finally {
joinQuery.delete(connection);
}
}
}
private Map<Long, IdJoinQuery> findAffectedItems(JdbcConnection connection, String itemId, String itemTable, List<Object[]> bindDataList) throws OseeCoreException {
Map<Long, IdJoinQuery> items = new HashMap<Long, IdJoinQuery>();
JdbcStatement statement = getJdbcClient().getStatement(connection);
try {
for (Object[] bindData : bindDataList) {
Long branchUuid = (Long) bindData[0];
String query = String.format(SELECT_AFFECTED_ITEMS, itemId, itemTable);
statement.runPreparedQuery(JdbcConstants.JDBC__MAX_FETCH_SIZE, query, bindData);
IdJoinQuery joinId = joinFactory.createIdJoinQuery();
items.put(branchUuid, joinId);
while (statement.next()) {
Integer id = statement.getInt("item_id");
joinId.add(id);
}
joinId.store();
}
} finally {
statement.close();
}
return items;
}
private void setChildBranchBaselineTxs(JdbcConnection connection, int toDeleteTransactionId, int previousTransactionId) throws OseeCoreException {
List<Object[]> data = new ArrayList<Object[]>();
if (RelationalConstants.TRANSACTION_SENTINEL != previousTransactionId) {
data.add(new Object[] {
String.valueOf(toDeleteTransactionId),
String.valueOf(previousTransactionId),
"%" + toDeleteTransactionId});
}
if (!data.isEmpty()) {
getJdbcClient().runBatchUpdate(connection, UPDATE_TXS_DETAILS_COMMENT, data);
}
}
}
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