use of com.cinchapi.ccl.syntax.AbstractSyntaxTree in project concourse by cinchapi.
the class BuiltCriteria method at.
/**
* Return this {@link Criteria} with each expression (e.g. {key} {operator}
* {values}) pinned to the specified {@code timestamp}.
*
* <strong>NOTE:</strong> Any timestamps that are pinned to any expressions
* within this Criteria will be replaced by the specified {@code timestamp}.
*
* @param timestamp the {@link Timestamp} to which the returned
* {@link Criteria} is pinned
*
* @return this {@link Criteria} pinned to {@code timestamp}
*/
public Criteria at(Timestamp timestamp) {
AbstractSyntaxTree ast = ConcourseCompiler.get().parse(ccl());
List<Symbol> symbols = Parsing.groupExpressions(ConcourseCompiler.get().tokenize(ast));
TimestampSymbol ts = new TimestampSymbol(timestamp.getMicros());
symbols.forEach((symbol) -> {
if (symbol instanceof ExpressionSymbol) {
ExpressionSymbol expression = (ExpressionSymbol) symbol;
expression.timestamp(ts);
}
});
BuiltCriteria criteria = new BuiltCriteria();
symbols = Parsing.ungroupExpressions(symbols);
criteria.symbols = symbols;
return criteria;
}
use of com.cinchapi.ccl.syntax.AbstractSyntaxTree in project concourse by cinchapi.
the class ConcourseServer method selectKeysCriteriaTimePage.
@Override
@TranslateClientExceptions
@VerifyAccessToken
@VerifyReadPermission
public Map<Long, Map<String, Set<TObject>>> selectKeysCriteriaTimePage(List<String> keys, TCriteria criteria, long timestamp, TPage page, AccessToken creds, TransactionToken transaction, String environment) throws TException {
AbstractSyntaxTree ast = compiler.parse(criteria);
AtomicSupport store = getStore(transaction, environment);
Supplier<SortableTable<Set<TObject>>> supplier = () -> emptySortableResultDataset();
return Operations.selectKeysAstOptionalAtomic(store, keys, ast, timestamp, Orders.from(NO_ORDER), Pages.from(page), supplier);
}
use of com.cinchapi.ccl.syntax.AbstractSyntaxTree in project concourse by cinchapi.
the class ConcourseServer method averageKeyCcl.
@Override
@TranslateClientExceptions
@VerifyAccessToken
@VerifyReadPermission
public TObject averageKeyCcl(String key, String ccl, AccessToken creds, TransactionToken transaction, String environment) throws TException {
AbstractSyntaxTree ast = compiler.parse(ccl);
AtomicSupport store = getStore(transaction, environment);
return AtomicOperations.supplyWithRetry(store, (atomic) -> {
Set<Long> records = ast.accept(Finder.instance(), atomic);
Number average = Operations.avgKeyRecordsAtomic(key, records, Time.NONE, atomic);
return Convert.javaToThrift(average);
});
}
use of com.cinchapi.ccl.syntax.AbstractSyntaxTree in project concourse by cinchapi.
the class ConcourseServer method countKeyCclTime.
@Override
@TranslateClientExceptions
@VerifyAccessToken
@VerifyReadPermission
public long countKeyCclTime(String key, String ccl, long timestamp, AccessToken creds, TransactionToken transaction, String environment) throws TException {
AbstractSyntaxTree ast = compiler.parse(ccl);
AtomicSupport store = getStore(transaction, environment);
return AtomicOperations.supplyWithRetry(store, (atomic) -> {
Set<Long> records = ast.accept(Finder.instance(), atomic);
return Operations.countKeyRecordsAtomic(key, records, timestamp, atomic);
});
}
use of com.cinchapi.ccl.syntax.AbstractSyntaxTree in project concourse by cinchapi.
the class ConcourseServer method getCclOrderPage.
@Override
@TranslateClientExceptions
@VerifyAccessToken
@VerifyReadPermission
public Map<Long, Map<String, TObject>> getCclOrderPage(String ccl, TOrder order, TPage page, AccessToken creds, TransactionToken transaction, String environment) throws TException {
AbstractSyntaxTree ast = compiler.parse(ccl);
AtomicSupport store = getStore(transaction, environment);
Supplier<SortableTable<TObject>> supplier = () -> SortableTable.singleValued(new LinkedHashMap<>());
return AtomicOperations.supplyWithRetry(store, atomic -> Operations.getAstAtomic(atomic, ast, Orders.from(order), Pages.from(page), supplier));
}
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