@Override
public void serializeStateData(final OutputStream stream) throws IOException {
super.serializeStateData(stream);
MasterProcedureProtos.ModifyColumnFamilyStateData.Builder modifyCFMsg =
MasterProcedureProtos.ModifyColumnFamilyStateData.newBuilder()
.setUserInfo(MasterProcedureUtil.toProtoUserInfo(user))
.setTableName(ProtobufUtil.toProtoTableName(tableName))
.setColumnfamilySchema(ProtobufUtil.convertToColumnFamilySchema(cfDescriptor));
if (unmodifiedHTableDescriptor != null) {
modifyCFMsg.setUnmodifiedTableSchema(
ProtobufUtil.convertToTableSchema(unmodifiedHTableDescriptor));
}
modifyCFMsg.build().writeDelimitedTo(stream);
}
/*
* In case of rolling-upgrade, we try to read all the formats and build
* the snapshot with the latest format.
*/
private void convertToV2SingleManifest() throws IOException {
// Try to load v1 and v2 regions
List<SnapshotRegionManifest> v1Regions, v2Regions;
ThreadPoolExecutor tpool = createExecutor("SnapshotManifestLoader");
try {
v1Regions = SnapshotManifestV1.loadRegionManifests(conf, tpool, fs, workingDir, desc);
v2Regions = SnapshotManifestV2.loadRegionManifests(conf, tpool, fs, workingDir, desc);
} finally {
tpool.shutdown();
}
SnapshotDataManifest.Builder dataManifestBuilder = SnapshotDataManifest.newBuilder();
dataManifestBuilder.setTableSchema(ProtobufUtil.convertToTableSchema(htd));
if (v1Regions != null && v1Regions.size() > 0) {
dataManifestBuilder.addAllRegionManifests(v1Regions);
}
if (v2Regions != null && v2Regions.size() > 0) {
dataManifestBuilder.addAllRegionManifests(v2Regions);
}
// Write the v2 Data Manifest.
// Once the data-manifest is written, the snapshot can be considered complete.
// Currently snapshots are written in a "temporary" directory and later
// moved to the "complated" snapshot directory.
SnapshotDataManifest dataManifest = dataManifestBuilder.build();
writeDataManifest(dataManifest);
this.regionManifests = dataManifest.getRegionManifestsList();
// Remove the region manifests. Everything is now in the data-manifest.
// The delete operation is "relaxed", unless we get an exception we keep going.
// The extra files in the snapshot directory will not give any problem,
// since they have the same content as the data manifest, and even by re-reading
// them we will get the same information.
if (v1Regions != null && v1Regions.size() > 0) {
for (SnapshotRegionManifest regionManifest : v1Regions) {
SnapshotManifestV1.deleteRegionManifest(fs, workingDir, regionManifest);
}
}
if (v2Regions != null && v2Regions.size() > 0) {
for (SnapshotRegionManifest regionManifest : v2Regions) {
SnapshotManifestV2.deleteRegionManifest(fs, workingDir, regionManifest);
}
}
}