Examples with TObject com.cinchapi.concourse.thrift.TObject used on opensource projects

Example 26 with TObject

use of com.cinchapi.concourse.thrift.TObject in project concourse by cinchapi.

the class ConcourseServer method selectKeysCclTimeOrder.

@Override
@TranslateClientExceptions
@VerifyAccessToken
@VerifyReadPermission
public Map<Long, Map<String, Set<TObject>>> selectKeysCclTimeOrder(List<String> keys, String ccl, long timestamp, TOrder order, AccessToken creds, TransactionToken transaction, String environment) throws TException {
    try {
        AbstractSyntaxTree ast = compiler.parse(ccl);
        AtomicSupport store = getStore(transaction, environment);
        SortableTable<Set<TObject>> result = emptySortableResultDataset();
        AtomicOperations.executeWithRetry(store, atomic -> Operations.selectKeysAstAtomic(keys, ast, timestamp, result, null, $result -> $result.sort(Sorting.byValues(Orders.from(order), atomic), timestamp), atomic));
        return result;
    } catch (Exception e) {
        throw new ParseException(e.getMessage());
    }
}

Example 27 with TObject

use of com.cinchapi.concourse.thrift.TObject in project concourse by cinchapi.

the class Buffer method chronologize.

@Override
public Map<Long, Set<TObject>> chronologize(String key, long record, long start, long end, Map<Long, Set<TObject>> context) {
    Set<TObject> snapshot = Iterables.getLast(context.values(), Sets.<TObject>newLinkedHashSet());
    if (snapshot.isEmpty() && !context.isEmpty()) {
        // CON-474: Empty set is placed in the context if it was the last
        // snapshot known to the database
        context.remove(Time.NONE);
    }
    Iterator<Write> it = iterator(key, record, end - 1);
    try {
        while (it.hasNext()) {
            Write write = it.next();
            long timestamp = write.getVersion();
            Text $key = write.getKey();
            long $record = write.getRecord().longValue();
            Action action = write.getType();
            if ($key.toString().equals(key) && $record == record) {
                snapshot = Sets.newLinkedHashSet(snapshot);
                Value value = write.getValue();
                if (action == Action.ADD) {
                    snapshot.add(value.getTObject());
                } else if (action == Action.REMOVE) {
                    snapshot.remove(value.getTObject());
                }
                if (timestamp >= start) {
                    context.put(timestamp, snapshot);
                }
            }
        }
        return Maps.filterValues(context, emptySetFilter);
    } finally {
        Iterators.close(it);
    }
}

Example 28 with TObject

use of com.cinchapi.concourse.thrift.TObject in project concourse by cinchapi.

the class Limbo method explore.

/**
 * This is an implementation of the
 * {@link #explore(long, String, Operator, TObject...)} routine that takes
 * in a prior {@code context} and will return a mapping from
 * records that match a criteria (expressed as {@code key} filtered by
 * {@code operator} in relation to one or more {@code values}) to the set of
 * values that caused that record to match the criteria {@code timestamp}.
 *
 * @param context
 * @param timestamp
 * @param key
 * @param operator
 * @param values
 * @return the relevant data for the records that satisfy the find query
 */
public Map<Long, Set<TObject>> explore(Map<Long, Set<TObject>> context, String key, Aliases aliases, long timestamp) {
    if (timestamp >= getOldestWriteTimestamp()) {
        Operator operator = aliases.operator();
        TObject[] values = aliases.values();
        for (Iterator<Write> it = iterator(); it.hasNext(); ) {
            Write write = it.next();
            long record = write.getRecord().longValue();
            if (write.getVersion() <= timestamp) {
                if (write.getKey().toString().equals(key) && matches(write.getValue(), operator, values)) {
                    if (write.getType() == Action.ADD) {
                        MultimapViews.put(context, record, write.getValue().getTObject());
                    } else {
                        MultimapViews.remove(context, record, write.getValue().getTObject());
                    }
                }
            } else {
                break;
            }
        }
    }
    return TMaps.asSortedMap(context);
}

Example 29 with TObject

use of com.cinchapi.concourse.thrift.TObject in project concourse by cinchapi.

the class Operations method minKeyAtomic.

/**
 * Use the {@code store} to atomically compute the min across all the values
 * stored for {@code key} across all records at {@code timestamp}.
 *
 * @param key
 * @param timestamp
 * @param store
 * @return the max
 */
public static Number minKeyAtomic(String key, long timestamp, Store store) {
    checkAtomicity(store, timestamp);
    Map<TObject, Set<Long>> data = Stores.browse(store, key, timestamp);
    TObject min = Iterables.getFirst(data.keySet(), null);
    if (min != null) {
        return (Number) Convert.thriftToJava(min);
    } else {
        return null;
    }
}

Example 30 with TObject

use of com.cinchapi.concourse.thrift.TObject in project concourse by cinchapi.

the class Operations method avgKeyRecordAtomic.

/**
 * Use the provided {@code store} to atomically add each of the values in
 * {@code key}/{@code record} at {@code timestamp} to the running
 * {@code sum}.
 *
 * @param key the field name
 * @param record the record id
 * @param timestamp the selection timestamp
 * @param store the {@link Store} to use
 * @return the new running sum
 */
public static Number avgKeyRecordAtomic(String key, long record, long timestamp, Store store) {
    checkAtomicity(store, timestamp);
    Set<TObject> values = Stores.select(store, key, record, timestamp);
    Number sum = 0;
    for (TObject value : values) {
        Object object = Convert.thriftToJava(value);
        Calculations.checkCalculatable(object);
        Number number = (Number) object;
        sum = Numbers.add(sum, number);
    }
    return values.isEmpty() ? null : Numbers.divide(sum, values.size());
}