private PrimaryVersionSpec resolvePrimaryVersionSpec(
ProjectHistory projectHistory, PrimaryVersionSpec versionSpec)
throws InvalidVersionSpecException {
final int index = versionSpec.getIdentifier();
final String branch = versionSpec.getBranch();
final int versions = projectHistory.getVersions().size();
if (0 > index || index >= versions || branch == null) {
throw new InvalidVersionSpecException(
MessageFormat.format(Messages.VersionSubInterfaceImpl_InvalidVersionRequested, index));
}
if (branch.equals(VersionSpec.GLOBAL)) {
return projectHistory.getVersions().get(index).getPrimarySpec();
}
// Get biggest primary version of given branch which is equal or lower
// to the given versionSpec
for (int i = index; i >= 0; i--) {
final Version version = projectHistory.getVersions().get(i);
if (branch.equals(version.getPrimarySpec().getBranch())) {
return version.getPrimarySpec();
}
}
throw new InvalidVersionSpecException(Messages.VersionSubInterfaceImpl_PrimaryVersionNotFound);
}
private Version getVersion(ProjectHistory projectHistory, PrimaryVersionSpec baseVersionSpec) {
if (0 > baseVersionSpec.getIdentifier()
|| baseVersionSpec.getIdentifier() > projectHistory.getVersions().size() - 1) {
return null;
}
final Version version = projectHistory.getVersions().get(baseVersionSpec.getIdentifier());
if (version == null || !version.getPrimarySpec().equals(baseVersionSpec)) {
return null;
}
return version;
}
private PrimaryVersionSpec resolveHeadVersionSpec(
ProjectHistory projectHistory, HeadVersionSpec versionSpec)
throws InvalidVersionSpecException {
if (VersionSpec.GLOBAL.equals(versionSpec.getBranch())) {
return projectHistory
.getVersions()
.get(projectHistory.getVersions().size() - 1)
.getPrimarySpec();
}
final BranchInfo info = getBranchInfo(projectHistory, versionSpec);
if (info != null) {
return info.getHead();
}
throw new InvalidVersionSpecException(Messages.VersionSubInterfaceImpl_HeadVersionNotFound);
}
private Version createVersion(
ProjectHistory projectHistory,
Project projectState,
LogMessage logMessage,
ACUser user,
Version previousVersion)
throws ESException {
final Version newVersion = VersioningFactory.eINSTANCE.createVersion();
long computedChecksum = ModelUtil.NO_CHECKSUM;
try {
if (ServerConfiguration.isComputeChecksumOnCommitActive()) {
computedChecksum = ModelUtil.computeChecksum(projectState);
}
} catch (final SerializationException exception) {
// TODO: clarify what to do in case checksum computation fails + provide ext. point
throw new ESException(
MessageFormat.format(
Messages.VersionSubInterfaceImpl_ChecksumComputationFailed,
projectHistory.getProjectName()),
exception);
}
// newVersion.setChanges(changePackage);
logMessage.setDate(new Date());
logMessage.setAuthor(user.getName());
newVersion.setLogMessage(logMessage);
// latest version == getVersion.size() (version start with index 0 as
// the list), branch from previous is used.
newVersion.setPrimarySpec(
Versions.createPRIMARY(
previousVersion.getPrimarySpec(), projectHistory.getVersions().size()));
newVersion.getPrimarySpec().setProjectStateChecksum(computedChecksum);
newVersion.setNextVersion(null);
projectHistory.getVersions().add(newVersion);
return newVersion;
}
private PrimaryVersionSpec resolveTagVersionSpec(
ProjectHistory projectHistory, TagVersionSpec versionSpec)
throws InvalidVersionSpecException {
for (final Version version : projectHistory.getVersions()) {
for (final TagVersionSpec tag : version.getTagSpecs()) {
if (versionSpec.equals(tag)) {
return ModelUtil.clone(version.getPrimarySpec());
}
}
}
throw new InvalidVersionSpecException(Messages.VersionSubInterfaceImpl_TagVersionNotFound);
}
private PrimaryVersionSpec resolveDateVersionSpec(
ProjectHistory projectHistory, DateVersionSpec versionSpec) {
for (final Version version : projectHistory.getVersions()) {
final LogMessage logMessage = version.getLogMessage();
if (logMessage == null || logMessage.getDate() == null) {
continue;
}
if (versionSpec.getDate().before(logMessage.getDate())) {
final Version previousVersion = version.getPreviousVersion();
if (previousVersion == null) {
return VersioningFactory.eINSTANCE.createPrimaryVersionSpec();
}
return previousVersion.getPrimarySpec();
}
}
return projectHistory.getLastVersion().getPrimarySpec();
}
private PrimaryVersionSpec resolvePagedUpdateVersionSpec(
ProjectHistory projectHistory, PagedUpdateVersionSpec baseVersion) {
int changes = 0;
PrimaryVersionSpec resolvedSpec = baseVersion.getBaseVersionSpec();
int maxChanges = baseVersion.getMaxChanges();
int i = resolvedSpec.getIdentifier();
AbstractChangePackage cp = projectHistory.getVersions().get(i).getChanges();
if (i == projectHistory.getVersions().size() - 1) {
return projectHistory.getVersions().get(i).getPrimarySpec();
}
do {
cp = projectHistory.getVersions().get(++i).getChanges();
} while (cp == null && i < projectHistory.getVersions().size());
// pull at least one change package
if (cp.leafSize() > maxChanges) {
maxChanges = cp.leafSize();
}
while (changes < maxChanges && i < projectHistory.getVersions().size()) {
resolvedSpec = projectHistory.getVersions().get(i).getPrimarySpec();
final Version version = projectHistory.getVersions().get(i);
final AbstractChangePackage changePackage = version.getChanges();
if (changePackage != null) {
final int size = changePackage.leafSize();
if (changes + size >= maxChanges) {
resolvedSpec = projectHistory.getVersions().get(i).getPrimarySpec();
break;
}
changes += size;
}
i += 1;
}
return resolvedSpec;
}
private void rollback(
final ProjectHistory projectHistory,
final BranchInfo baseBranch,
final Version baseVersion,
Version newVersion,
BranchInfo newBranch,
final FatalESException e)
throws StorageException {
projectHistory.getVersions().remove(newVersion);
if (newBranch == null) {
// normal commit
baseVersion.setNextVersion(null);
baseBranch.setHead(ModelUtil.clone(baseVersion.getPrimarySpec()));
} else {
// branch commit
baseVersion.getBranchedVersions().remove(newVersion);
projectHistory.getBranches().remove(newBranch);
}
// TODO: delete obsolete project, change package and version files
throw new StorageException(StorageException.NOSAVE, e);
}
