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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.skynet.core.artifact;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.logging.Level;
import org.eclipse.osee.framework.core.enums.DeletionFlag;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.model.Branch;
import org.eclipse.osee.framework.database.IOseeDatabaseService;
import org.eclipse.osee.framework.database.core.ConnectionHandler;
import org.eclipse.osee.framework.database.core.DbTransaction;
import org.eclipse.osee.framework.database.core.IOseeStatement;
import org.eclipse.osee.framework.database.core.OseeConnection;
import org.eclipse.osee.framework.database.core.SQL3DataType;
import org.eclipse.osee.framework.jdk.core.util.time.GlobalTime;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.framework.skynet.core.event.OseeEventManager;
import org.eclipse.osee.framework.skynet.core.event.model.ArtifactEvent;
import org.eclipse.osee.framework.skynet.core.event.model.EventBasicGuidArtifact;
import org.eclipse.osee.framework.skynet.core.event.model.EventModType;
import org.eclipse.osee.framework.skynet.core.internal.Activator;
import org.eclipse.osee.framework.skynet.core.relation.RelationLink;
/**
* @author Ryan D. Brooks
*/
public class PurgeArtifacts extends DbTransaction {
private static final String INSERT_SELECT_ITEM =
"INSERT INTO osee_join_transaction (query_id, insert_time, gamma_id, transaction_id) SELECT /*+ ordered FIRST_ROWS */ ?, ?, txs.gamma_id, txs.transaction_id FROM osee_join_artifact aj, %s item, osee_txs txs WHERE aj.query_id = ? AND %s AND item.gamma_id = txs.gamma_id AND aj.branch_id = txs.branch_id";
private static final String COUNT_ARTIFACT_VIOLATIONS =
"SELECT art.art_id, txs.branch_id FROM osee_join_artifact aj, osee_artifact art, osee_txs txs WHERE aj.query_id = ? AND aj.art_id = art.art_id AND art.gamma_id = txs.gamma_id AND txs.branch_id = aj.branch_id";
private static final String DELETE_FROM_TXS_USING_JOIN_TRANSACTION =
"DELETE FROM osee_txs txs1 WHERE EXISTS ( select 1 from osee_join_transaction jt1 WHERE jt1.query_id = ? AND jt1.transaction_id = txs1.transaction_id AND jt1.gamma_id = txs1.gamma_id)";
private static final String DELETE_FROM_TX_DETAILS_USING_JOIN_TRANSACTION =
"DELETE FROM osee_tx_details txd1 WHERE EXISTS ( select 1 from osee_join_transaction jt1 WHERE jt1.query_id = ? AND jt1.transaction_id = txd1.transaction_id AND not exists ( select * from osee_txs txs1 where txs1.transaction_id = jt1.transaction_id))";
private static final String DELETE_FROM_RELATION_VERSIONS =
"DELETE FROM osee_relation_link rel1 WHERE EXISTS ( select * from osee_join_transaction jt1 WHERE jt1.query_id = ? AND jt1.gamma_id = rel1.gamma_id AND not exists ( select * from osee_txs txs1 where txs1.gamma_id = jt1.gamma_id))";
private static final String DELETE_FROM_ATTRIBUTE_VERSIONS =
"DELETE FROM osee_attribute attr1 WHERE EXISTS ( select * from osee_join_transaction jt1 WHERE jt1.query_id = ? AND jt1.gamma_id = attr1.gamma_id AND not exists ( select * from osee_txs txs1 where txs1.gamma_id = jt1.gamma_id))";
private static final String DELETE_FROM_ARTIFACT_VERSIONS =
"DELETE FROM osee_artifact art WHERE EXISTS ( select * from osee_join_transaction jt1 WHERE jt1.query_id = ? AND jt1.gamma_id = art.gamma_id AND not exists ( select * from osee_txs txs1 where txs1.gamma_id = jt1.gamma_id))";
private final Collection<? extends Artifact> artifactsToPurge;
private boolean success;
public PurgeArtifacts(Collection<? extends Artifact> artifactsToPurge) {
this.artifactsToPurge = artifactsToPurge;
this.success = false;
}
@Override
protected void handleTxWork(OseeConnection connection) throws OseeCoreException {
if (artifactsToPurge == null || artifactsToPurge.size() == 0) {
return;
}
//first determine if the purge is legal.
List<Object[]> batchParameters = new ArrayList<Object[]>();
int queryId = ArtifactLoader.getNewQueryId();
Timestamp insertTime = GlobalTime.GreenwichMeanTimestamp();
try {
for (Artifact art : artifactsToPurge) {
for (Branch branch : art.getBranch().getChildBranches(true)) {
batchParameters.add(new Object[] {
queryId,
insertTime,
art.getArtId(),
branch.getId(),
SQL3DataType.INTEGER});
}
}
if (batchParameters.size() > 0) {
ArtifactLoader.insertIntoArtifactJoin(connection, batchParameters);
IOseeStatement chStmt = ConnectionHandler.getStatement(connection);
try {
chStmt.runPreparedQuery(COUNT_ARTIFACT_VIOLATIONS, queryId);
boolean failed = false;
StringBuilder sb = new StringBuilder();
while (chStmt.next()) {
failed = true;
sb.append("ArtifactId[");
sb.append(chStmt.getInt("art_id"));
sb.append("] BranchId[");
sb.append(chStmt.getInt("branch_id"));
sb.append("]\n");
}
if (failed) {
throw new OseeCoreException(
"Unable to purge because the following artifacts exist on child branches.\n%s", sb.toString());
}
} finally {
ArtifactLoader.clearQuery(connection, queryId);
chStmt.close();
}
}
// now load the artifacts to be purged
batchParameters.clear();
queryId = ArtifactLoader.getNewQueryId();
insertTime = GlobalTime.GreenwichMeanTimestamp();
// insert into the artifact_join_table
for (Artifact art : artifactsToPurge) {
batchParameters.add(new Object[] {
queryId,
insertTime,
art.getArtId(),
art.getBranch().getId(),
SQL3DataType.INTEGER});
}
ArtifactLoader.insertIntoArtifactJoin(connection, batchParameters);
//run the insert select queries to populate the osee_join_transaction table (this will take care of the txs table)
int transactionJoinId = ArtifactLoader.getNewQueryId();
//run the insert select queries to populate the osee_join_transaction table (this will take care of the txs table)
insertSelectItems(connection, "osee_relation_link",
"(aj.art_id = item.a_art_id OR aj.art_id = item.b_art_id)", transactionJoinId, insertTime, queryId);
insertSelectItems(connection, "osee_attribute", "aj.art_id = item.art_id", transactionJoinId, insertTime,
queryId);
insertSelectItems(connection, "osee_artifact", "aj.art_id = item.art_id", transactionJoinId, insertTime,
queryId);
int txsDeletes =
ConnectionHandler.runPreparedUpdate(connection, DELETE_FROM_TXS_USING_JOIN_TRANSACTION, transactionJoinId);
int txDetails =
ConnectionHandler.runPreparedUpdate(connection, DELETE_FROM_TX_DETAILS_USING_JOIN_TRANSACTION,
transactionJoinId);
int relationVersions =
ConnectionHandler.runPreparedUpdate(connection, DELETE_FROM_RELATION_VERSIONS, transactionJoinId);
int attributeVersions =
ConnectionHandler.runPreparedUpdate(connection, DELETE_FROM_ATTRIBUTE_VERSIONS, transactionJoinId);
int artifactVersions =
ConnectionHandler.runPreparedUpdate(connection, DELETE_FROM_ARTIFACT_VERSIONS, transactionJoinId);
OseeLog.log(
Activator.class,
Level.FINE,
String.format(
"Purge Row Deletes: txs rows [%d], rel ver rows [%d], attr ver rows [%d] art ver rows [%d]. txs vs. total versions [%d vs %d]",
txsDeletes, relationVersions, attributeVersions, artifactVersions, txDetails,
(relationVersions + attributeVersions + artifactVersions)));
ConnectionHandler.runPreparedUpdate(connection, "DELETE FROM osee_join_transaction where query_id = ?",
transactionJoinId);
for (Artifact artifact : artifactsToPurge) {
ArtifactCache.deCache(artifact);
artifact.internalSetDeleted();
for (RelationLink rel : artifact.getRelationsAll(DeletionFlag.EXCLUDE_DELETED)) {
rel.markAsPurged();
}
for (Attribute<?> attr : artifact.internalGetAttributes()) {
attr.markAsPurged();
}
}
success = true;
} finally {
ArtifactLoader.clearQuery(connection, queryId);
}
}
@Override
protected void handleTxFinally() throws OseeCoreException {
if (success) {
Set<EventBasicGuidArtifact> artifactChanges = new HashSet<EventBasicGuidArtifact>();
for (Artifact artifact : artifactsToPurge) {
artifactChanges.add(new EventBasicGuidArtifact(EventModType.Purged, artifact));
}
// Kick Local and Remote Events
ArtifactEvent artifactEvent = new ArtifactEvent(artifactsToPurge.iterator().next().getBranch());
for (EventBasicGuidArtifact guidArt : artifactChanges) {
artifactEvent.getArtifacts().add(guidArt);
}
OseeEventManager.kickPersistEvent(PurgeArtifacts.class, artifactEvent);
}
}
@SuppressWarnings("unchecked")
public void insertSelectItems(OseeConnection connection, String tableName, String artifactJoinSql, int transactionJoinId, Timestamp insertTime, int queryId) throws OseeCoreException {
IOseeDatabaseService databaseService = Activator.getInstance().getOseeDatabaseService();
String sql = String.format(INSERT_SELECT_ITEM, tableName, artifactJoinSql);
databaseService.runPreparedUpdate(connection, sql, transactionJoinId, insertTime, queryId);
}
}
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