use of org.apache.accumulo.core.data.thrift.TSummarizerConfiguration in project accumulo by apache.
the class TableOperationsImpl method summaries.
@Override
public SummaryRetriever summaries(String tableName) {
return new SummaryRetriever() {
private Text startRow = null;
private Text endRow = null;
private List<TSummarizerConfiguration> summariesToFetch = Collections.emptyList();
private String summarizerClassRegex;
private boolean flush = false;
@Override
public SummaryRetriever startRow(Text startRow) {
Objects.requireNonNull(startRow);
if (endRow != null) {
Preconditions.checkArgument(startRow.compareTo(endRow) < 0, "Start row must be less than end row : %s >= %s", startRow, endRow);
}
this.startRow = startRow;
return this;
}
@Override
public SummaryRetriever startRow(CharSequence startRow) {
return startRow(new Text(startRow.toString()));
}
@Override
public List<Summary> retrieve() throws AccumuloException, AccumuloSecurityException, TableNotFoundException {
Table.ID tableId = Tables.getTableId(context.getInstance(), tableName);
if (Tables.getTableState(context.getInstance(), tableId) == TableState.OFFLINE)
throw new TableOfflineException(context.getInstance(), tableId.canonicalID());
TRowRange range = new TRowRange(TextUtil.getByteBuffer(startRow), TextUtil.getByteBuffer(endRow));
TSummaryRequest request = new TSummaryRequest(tableId.canonicalID(), range, summariesToFetch, summarizerClassRegex);
if (flush) {
_flush(tableId, startRow, endRow, true);
}
TSummaries ret = ServerClient.execute(context, new TabletClientService.Client.Factory(), client -> {
TSummaries tsr = client.startGetSummaries(Tracer.traceInfo(), context.rpcCreds(), request);
while (!tsr.finished) {
tsr = client.contiuneGetSummaries(Tracer.traceInfo(), tsr.sessionId);
}
return tsr;
});
return new SummaryCollection(ret).getSummaries();
}
@Override
public SummaryRetriever endRow(Text endRow) {
Objects.requireNonNull(endRow);
if (startRow != null) {
Preconditions.checkArgument(startRow.compareTo(endRow) < 0, "Start row must be less than end row : %s >= %s", startRow, endRow);
}
this.endRow = endRow;
return this;
}
@Override
public SummaryRetriever endRow(CharSequence endRow) {
return endRow(new Text(endRow.toString()));
}
@Override
public SummaryRetriever withConfiguration(Collection<SummarizerConfiguration> configs) {
Objects.requireNonNull(configs);
summariesToFetch = configs.stream().map(SummarizerConfigurationUtil::toThrift).collect(Collectors.toList());
return this;
}
@Override
public SummaryRetriever withConfiguration(SummarizerConfiguration... config) {
Objects.requireNonNull(config);
return withConfiguration(Arrays.asList(config));
}
@Override
public SummaryRetriever withMatchingConfiguration(String regex) {
Objects.requireNonNull(regex);
// Do a sanity check here to make sure that regex compiles, instead of having it fail on a tserver.
Pattern.compile(regex);
this.summarizerClassRegex = regex;
return this;
}
@Override
public SummaryRetriever flush(boolean b) {
this.flush = b;
return this;
}
};
}
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