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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.revision;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map.Entry;
import java.util.Set;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.osee.framework.core.data.IOseeBranch;
import org.eclipse.osee.framework.core.enums.DeletionFlag;
import org.eclipse.osee.framework.core.model.Branch;
import org.eclipse.osee.framework.core.model.TransactionRecord;
import org.eclipse.osee.framework.database.core.IOseeStatement;
import org.eclipse.osee.framework.jdk.core.type.CompositeKeyHashMap;
import org.eclipse.osee.framework.jdk.core.type.HashCollection;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.framework.skynet.core.artifact.Artifact;
import org.eclipse.osee.framework.skynet.core.artifact.search.ArtifactQuery;
import org.eclipse.osee.framework.skynet.core.change.ArtifactChange;
import org.eclipse.osee.framework.skynet.core.change.ArtifactChangeBuilder;
import org.eclipse.osee.framework.skynet.core.change.ArtifactDelta;
import org.eclipse.osee.framework.skynet.core.change.AttributeChange;
import org.eclipse.osee.framework.skynet.core.change.AttributeChangeBuilder;
import org.eclipse.osee.framework.skynet.core.change.Change;
import org.eclipse.osee.framework.skynet.core.change.ChangeBuilder;
import org.eclipse.osee.framework.skynet.core.change.RelationChange;
import org.eclipse.osee.framework.skynet.core.change.RelationChangeBuilder;
import org.eclipse.osee.framework.skynet.core.internal.OseeSql;
import org.eclipse.osee.framework.skynet.core.internal.ServiceUtil;
import org.eclipse.osee.framework.skynet.core.revision.acquirer.ArtifactChangeAcquirer;
import org.eclipse.osee.framework.skynet.core.revision.acquirer.AttributeChangeAcquirer;
import org.eclipse.osee.framework.skynet.core.revision.acquirer.RelationChangeAcquirer;
import org.eclipse.osee.framework.skynet.core.transaction.TransactionManager;
import org.eclipse.osee.framework.skynet.core.utility.ConnectionHandler;
/**
* Acquires changes for either branches or transactions.
*
* @author Jeff C. Phillips
*/
public final class RevisionChangeLoader {
protected RevisionChangeLoader() {
super();
}
/**
* @return Returns artifact, relation and attribute changes from a specific artifact
*/
public Collection<Change> getChangesPerArtifact(Artifact artifact, IProgressMonitor monitor) throws OseeCoreException {
return getChangesPerArtifact(artifact, monitor, LoadChangeType.artifact, LoadChangeType.attribute,
LoadChangeType.relation);
}
/**
* @return Returns artifact, relation and attribute changes from a specific artifact
*/
private Collection<Change> getChangesPerArtifact(Artifact artifact, IProgressMonitor monitor, LoadChangeType... loadChangeTypes) throws OseeCoreException {
Branch branch = artifact.getFullBranch();
Set<TransactionRecord> transactionIds = new LinkedHashSet<TransactionRecord>();
boolean recurseThroughBranchHierarchy = true;
loadBranchTransactions(branch, artifact, transactionIds, TransactionManager.getHeadTransaction(branch),
recurseThroughBranchHierarchy);
Collection<Change> changes = new ArrayList<Change>();
for (TransactionRecord transactionId : transactionIds) {
loadChanges(null, transactionId, monitor, artifact, changes, loadChangeTypes);
}
return changes;
}
private void loadBranchTransactions(Branch branch, Artifact artifact, Set<TransactionRecord> transactionIds, TransactionRecord transactionId, boolean recurseThroughBranchHierarchy) throws OseeCoreException {
loadTransactions(branch, artifact, transactionId, transactionIds);
if (recurseThroughBranchHierarchy) {
if (branch.hasParentBranch() && !branch.getParentBranch().getBranchType().isSystemRootBranch()) {
loadBranchTransactions(branch.getParentBranch(), artifact, transactionIds, branch.getBaseTransaction(),
recurseThroughBranchHierarchy);
}
}
}
private void loadTransactions(Branch branch, Artifact artifact, TransactionRecord transactionId, Set<TransactionRecord> transactionIds) throws OseeCoreException {
IOseeStatement chStmt = ConnectionHandler.getStatement();
try {
chStmt.runPreparedQuery(ServiceUtil.getSql(OseeSql.LOAD_REVISION_HISTORY_TRANSACTION_ATTR),
artifact.getArtId(), branch.getUuid(), transactionId.getId());
while (chStmt.next()) {
transactionIds.add(TransactionManager.getTransactionId(chStmt.getInt("transaction_id")));
}
chStmt.runPreparedQuery(ServiceUtil.getSql(OseeSql.LOAD_REVISION_HISTORY_TRANSACTION_REL),
artifact.getArtId(), artifact.getArtId(), branch.getUuid(), transactionId.getId());
while (chStmt.next()) {
transactionIds.add(TransactionManager.getTransactionId(chStmt.getInt("transaction_id")));
}
} finally {
chStmt.close();
}
}
/**
* Not Part of Change Report Acquires artifact, relation and attribute changes from a source branch since its
* creation.
*/
private void loadChanges(Branch sourceBranch, TransactionRecord transactionId, IProgressMonitor monitor, Artifact specificArtifact, Collection<Change> changes, LoadChangeType... loadChangeTypes) throws OseeCoreException {
if (monitor == null) {
monitor = new NullProgressMonitor();
}
monitor.beginTask("Find Changes", 100);
Set<Integer> artIds = new HashSet<Integer>();
Set<Integer> newAndDeletedArtifactIds = new HashSet<Integer>();
boolean isHistorical = sourceBranch == null;
ArrayList<ChangeBuilder> changeBuilders = new ArrayList<ChangeBuilder>();
for (LoadChangeType changeType : loadChangeTypes) {
switch (changeType) {
case artifact:
ArtifactChangeAcquirer artifactChangeAcquirer =
new ArtifactChangeAcquirer(sourceBranch, transactionId, monitor, specificArtifact, artIds,
changeBuilders, newAndDeletedArtifactIds);
changeBuilders = artifactChangeAcquirer.acquireChanges();
break;
case attribute:
AttributeChangeAcquirer attributeChangeAcquirer =
new AttributeChangeAcquirer(sourceBranch, transactionId, monitor, specificArtifact, artIds,
changeBuilders, newAndDeletedArtifactIds);
changeBuilders = attributeChangeAcquirer.acquireChanges();
break;
case relation:
RelationChangeAcquirer relationChangeAcquirer =
new RelationChangeAcquirer(sourceBranch, transactionId, monitor, specificArtifact, artIds,
changeBuilders, newAndDeletedArtifactIds);
changeBuilders = relationChangeAcquirer.acquireChanges();
break;
default:
break;
}
}
monitor.subTask("Loading Artifacts from the Database");
IOseeBranch branch = isHistorical ? transactionId.getBranch() : sourceBranch;
Collection<Change> changesLoaded = getChanges(branch, isHistorical, changeBuilders);
changes.addAll(changesLoaded);
monitor.done();
}
private CompositeKeyHashMap<TransactionRecord, Integer, Artifact> getBulkLoadedArtifacts(IOseeBranch branch, boolean isHistorical, List<ChangeBuilder> changeBuilders) throws OseeCoreException {
HashCollection<TransactionRecord, Integer> loadMap =
new HashCollection<TransactionRecord, Integer>(false, HashSet.class);
for (ChangeBuilder builder : changeBuilders) {
TransactionRecord endTx = builder.getTxDelta().getEndTx();
loadMap.put(endTx, builder.getArtId());
if (builder instanceof RelationChangeBuilder) {
RelationChangeBuilder relBuilder = (RelationChangeBuilder) builder;
loadMap.put(endTx, relBuilder.getbArtId());
}
}
CompositeKeyHashMap<TransactionRecord, Integer, Artifact> loadedMap =
new CompositeKeyHashMap<TransactionRecord, Integer, Artifact>();
for (Entry<TransactionRecord, Collection<Integer>> entry : loadMap.entrySet()) {
Collection<Artifact> artifacts;
if (isHistorical) {
artifacts =
ArtifactQuery.getHistoricalArtifactListFromIds(entry.getValue(), entry.getKey(),
DeletionFlag.INCLUDE_DELETED);
} else {
artifacts = ArtifactQuery.getArtifactListFromIds(entry.getValue(), branch, DeletionFlag.INCLUDE_DELETED);
}
for (Artifact artifact : artifacts) {
loadedMap.put(entry.getKey(), artifact.getArtId(), artifact);
}
}
return loadedMap;
}
private Collection<Change> getChanges(IOseeBranch branch, boolean isHistorical, List<ChangeBuilder> changeBuilders) throws OseeCoreException {
CompositeKeyHashMap<TransactionRecord, Integer, Artifact> loadedMap =
getBulkLoadedArtifacts(branch, isHistorical, changeBuilders);
Collection<Change> changes = new ArrayList<Change>();
for (ChangeBuilder builder : changeBuilders) {
Change toReturn = null;
Artifact changeArtifact = loadedMap.get(builder.getTxDelta().getEndTx(), builder.getArtId());
if (changeArtifact != null) {
ArtifactDelta delta = new ArtifactDelta(builder.getTxDelta(), changeArtifact, null);
if (builder instanceof ArtifactChangeBuilder) {
toReturn =
new ArtifactChange(branch, builder.getSourceGamma(), builder.getArtId(), builder.getTxDelta(),
builder.getModType(), isHistorical, changeArtifact, delta);
} else if (builder instanceof AttributeChangeBuilder) {
AttributeChangeBuilder attrBuilder = (AttributeChangeBuilder) builder;
toReturn =
new AttributeChange(branch, attrBuilder.getSourceGamma(), attrBuilder.getArtId(),
attrBuilder.getTxDelta(), attrBuilder.getModType(), attrBuilder.getIsValue(),
attrBuilder.getWasValue(), attrBuilder.getAttrId(), attrBuilder.getAttributeType(),
attrBuilder.getArtModType(), isHistorical, changeArtifact, delta);
} else if (builder instanceof RelationChangeBuilder) {
RelationChangeBuilder relBuilder = (RelationChangeBuilder) builder;
Artifact bArtifact = loadedMap.get(builder.getTxDelta().getEndTx(), relBuilder.getbArtId());
toReturn =
new RelationChange(branch, builder.getSourceGamma(), builder.getArtId(), builder.getTxDelta(),
builder.getModType(), relBuilder.getbArtId(), relBuilder.getRelLinkId(),
relBuilder.getRationale(), relBuilder.getRelationType(), isHistorical, changeArtifact, delta,
bArtifact);
}
} else {
toReturn =
new ArtifactChange(branch, builder.getSourceGamma(), builder.getArtId(), builder.getTxDelta(),
builder.getModType(), isHistorical, null, null);
}
changes.add(toReturn);
}
return changes;
}
}
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