@Value.Check default void check() { checkState(identifier() != 0, "Identifier must not be zero"); }
@Override default byte[] persistToBytes() { return EncodingUtils.encodeSignedVarLong((isPending() ? -1 : 1) * identifier()); }
private int loadUncached(TableReference table) { while (true) { Optional<SweepTableIdentifier> identifier = namesToIds.currentMapping(table); if (identifier.isPresent() && !identifier.get().isPending()) { return identifier.get().identifier(); } log.info("Assigning table {} an identifier", LoggingArgs.tableRef(table)); // note - the second time through the loop this will fail, since on those iterations we're // doing our updates as CAS (at the bottom) not PUE, but it doubles as a get SweepTableIdentifier afterPendingPut = namesToIds.storeAsPending(table, idToNames.getNextId()); if (!afterPendingPut.isPending()) { log.info("Assigned table {} to id {}", LoggingArgs.tableRef(table), SafeArg.of("id", afterPendingPut.identifier())); return afterPendingPut.identifier(); } boolean assigmentWasSuccessful = idToNames.storeNewMapping(table, afterPendingPut.identifier()); if (assigmentWasSuccessful) { namesToIds.moveToComplete(table, afterPendingPut.identifier()); log.info("Assigned table {} to id {}", LoggingArgs.tableRef(table), SafeArg.of("id", afterPendingPut.identifier())); return afterPendingPut.identifier(); } // B namesToIds.storeAsPending(table, afterPendingPut.identifier(), idToNames.getNextId()); } } }
@Override default byte[] persistToBytes() { return EncodingUtils.encodeSignedVarLong((isPending() ? -1 : 1) * identifier()); }
@Value.Check default void check() { checkState(identifier() != 0, "Identifier must not be zero"); }
private int loadUncached(TableReference table) { while (true) { Optional<SweepTableIdentifier> identifier = namesToIds.currentMapping(table); if (identifier.isPresent() && !identifier.get().isPending()) { return identifier.get().identifier(); } log.info("Assigning table {} an identifier", LoggingArgs.tableRef(table)); // note - the second time through the loop this will fail, since on those iterations we're // doing our updates as CAS (at the bottom) not PUE, but it doubles as a get SweepTableIdentifier afterPendingPut = namesToIds.storeAsPending(table, idToNames.getNextId()); if (!afterPendingPut.isPending()) { log.info("Assigned table {} to id {}", LoggingArgs.tableRef(table), SafeArg.of("id", afterPendingPut.identifier())); return afterPendingPut.identifier(); } boolean assigmentWasSuccessful = idToNames.storeNewMapping(table, afterPendingPut.identifier()); if (assigmentWasSuccessful) { namesToIds.moveToComplete(table, afterPendingPut.identifier()); log.info("Assigned table {} to id {}", LoggingArgs.tableRef(table), SafeArg.of("id", afterPendingPut.identifier())); return afterPendingPut.identifier(); } // B namesToIds.storeAsPending(table, afterPendingPut.identifier(), idToNames.getNextId()); } } }