@Override
public NavigableSet<ByteStringMessage<ProtocolAppliedWaveletDelta>> requestHistory(
ProtocolHashedVersion versionStart, ProtocolHashedVersion versionEnd)
throws WaveletStateException {
acquireReadLock();
try {
assertStateOk();
// TODO: ### validate requested range.
// TODO: #### make immutable.
NavigableSet<ByteStringMessage<ProtocolAppliedWaveletDelta>> set =
appliedDeltas.subSet(
appliedDeltas.floor(emptyAppliedDeltaAtVersion(versionStart.getVersion())),
true,
emptyAppliedDeltaAtVersion(versionEnd.getVersion()),
false);
LOG.info(
"### HR "
+ versionStart.getVersion()
+ " - "
+ versionEnd.getVersion()
+ " set - "
+ set.size()
+ " = "
+ set);
return set;
} finally {
releaseReadLock();
}
}
/**
* Parse to a ProtocolHashedVersion from a given string version/base64-hash combination.
*
* @param startVersion the starting version
* @param base64Hash the base64 hash
* @throws IllegalArgumentException on bad data
* @return a parsed protobuf object
*/
private static ProtocolHashedVersion parseFromUnsafe(String startVersion, String base64Hash)
throws IllegalArgumentException {
return ProtocolHashedVersion.newBuilder()
.setVersion(Long.parseLong(startVersion))
.setHistoryHash(Base64Util.decode(base64Hash))
.build();
}
@Override
public NavigableSet<ProtocolWaveletDelta> requestTransformedHistory(
ProtocolHashedVersion versionStart, ProtocolHashedVersion versionEnd)
throws WaveletStateException {
acquireReadLock();
try {
assertStateOk();
// TODO: ### validate requested range.
// TODO: #### make immutable.
return transformedDeltas.subSet(
transformedDeltas.floor(emptyDeltaAtVersion(versionStart.getVersion())),
true,
emptyDeltaAtVersion(versionEnd.getVersion()),
false);
} finally {
releaseReadLock();
}
}