/**
* Render all of the documents in a wave as a single String, in the order in which they are listed
* by wavelet.getDocumentIds().
*
* <p>TODO: move this to the console package (...console.ConsoleUtils)
*
* @param wave wave to render
* @return rendered wave
*/
public static String renderDocuments(ClientWaveView wave) {
final StringBuilder doc = new StringBuilder();
for (WaveletData wavelet : wave.getWavelets()) {
doc.append(render(wavelet.getDocuments().values()));
}
return doc.toString();
}
/**
* Retrieve a list of index entries from an index wave.
*
* @param indexWave the wave to retrieve the index from
* @return list of index entries
*/
public static List<IndexEntry> getIndexEntries(ClientWaveView indexWave) {
if (!indexWave.getWaveId().equals(CommonConstants.INDEX_WAVE_ID)) {
throw new IllegalArgumentException(indexWave + " is not the index wave");
}
List<IndexEntry> indexEntries = Lists.newArrayList();
for (WaveletData wavelet : indexWave.getWavelets()) {
// The wave id is encoded as the wavelet id
WaveId waveId = WaveId.deserialise(wavelet.getWaveletName().waveletId.serialise());
String digest = ClientUtils.render(wavelet.getDocuments().values());
indexEntries.add(new IndexEntry(waveId, digest));
}
return indexEntries;
}
@Override
public List<ParticipantId> getParticipants() {
acquireReadLock();
try {
return (waveletData != null ? waveletData.getParticipants() : null);
} finally {
releaseReadLock();
}
}
/**
* @return The position of the removed participant in the wavelet participant list.
* @throws OperationException if the removed participant is not in the participant list.
*/
private int participantPosition(WaveletData target) throws OperationException {
int position = 0;
for (ParticipantId next : target.getParticipants()) {
if (participant.equals(next)) {
return position;
}
position++;
}
throw new OperationException("Attempt to remove non-existent participant " + participant);
}
@Override
public boolean checkAccessPermission(ParticipantId participantId) throws WaveletStateException {
acquireReadLock();
try {
assertStateOk();
return waveletData.getParticipants().contains(participantId);
} finally {
releaseReadLock();
}
}
public void testBuildWaveletFromOneDelta() throws Exception {
WaveletData wavelet = build(delta(addParticipant(CREATOR, 1093L, HashedVersion.unsigned(1))));
assertEquals(WAVELET_NAME, WaveletDataUtil.waveletNameOf(wavelet));
assertEquals(CREATOR, wavelet.getCreator());
assertEquals(1093L, wavelet.getCreationTime());
assertEquals(1093L, wavelet.getLastModifiedTime());
assertEquals(HashedVersion.unsigned(1), wavelet.getHashedVersion());
assertEquals(ImmutableSet.of(), wavelet.getDocumentIds());
assertEquals(ImmutableSet.of(CREATOR), wavelet.getParticipants());
}
public void testBuildWaveletFromThreeDeltas() throws Exception {
WaveletData wavelet =
build(
delta(addParticipant(CREATOR, 1093L, HashedVersion.unsigned(1))),
delta(addParticipant(JOE, 1492L, HashedVersion.unsigned(2))),
delta(addBlip("blipid", 2010L, HashedVersion.unsigned(3))));
assertEquals(WAVELET_NAME, WaveletDataUtil.waveletNameOf(wavelet));
assertEquals(CREATOR, wavelet.getCreator());
assertEquals(1093L, wavelet.getCreationTime());
assertEquals(2010L, wavelet.getLastModifiedTime());
assertEquals(HashedVersion.unsigned(3), wavelet.getHashedVersion());
assertEquals(ImmutableSet.of("blipid"), wavelet.getDocumentIds());
assertEquals(ImmutableSet.of(CREATOR, JOE), wavelet.getParticipants());
}
private static void addDocumentSnapshotToWavelet(DocumentSnapshot snapshot, WaveletData container)
throws InvalidParticipantAddress {
DocOp op = CoreWaveletOperationSerializer.deserialize(snapshot.getDocumentOperation());
DocInitialization docInit = DocOpUtil.asInitialization(op);
Collection<ParticipantId> contributors = CollectionUtils.newArrayList();
for (String p : snapshot.getContributorList()) {
contributors.add(getParticipantId(p));
}
container.createDocument(
snapshot.getDocumentId(),
getParticipantId(snapshot.getAuthor()),
contributors,
docInit,
snapshot.getLastModifiedTime(),
snapshot.getLastModifiedVersion());
}
/** Removes a participant from the given wavelet. */
@Override
public void doApply(WaveletData target) throws OperationException {
if (!target.removeParticipant(participant)) {
throw new OperationException("Attempt to remove non-existent participant " + participant);
}
}