Examples with Symbol com.cinchapi.ccl.grammar.Symbol used on opensource projects

Example 1 with Symbol

use of com.cinchapi.ccl.grammar.Symbol in project concourse by cinchapi.

the class CriteriaTest method testTimestampPinningSomeTimestamps.

@Test
public void testTimestampPinningSomeTimestamps() {
    Criteria criteria = Criteria.where().key("name").operator(Operator.EQUALS).value("Jeff Nelson").and().group(Criteria.where().key("company").operator(Operator.EQUALS).value("Cinchapi").at(Timestamp.now()).or().key("company").operator(Operator.EQUALS).value("Blavity")).build();
    Timestamp timestamp = Timestamp.now();
    criteria = criteria.at(timestamp);
    List<Symbol> symbols = Parsing.groupExpressions(criteria.symbols());
    symbols.forEach((symbol) -> {
        if (symbol instanceof ExpressionSymbol) {
            ExpressionSymbol expression = (ExpressionSymbol) symbol;
            Assert.assertEquals(expression.raw().timestamp(), timestamp.getMicros());
        }
    });
}

Example 2 with Symbol

use of com.cinchapi.ccl.grammar.Symbol in project concourse by cinchapi.

the class CriteriaTest method testTimestampPinning.

@Test
public void testTimestampPinning() {
    Criteria criteria = Criteria.where().key("name").operator(Operator.EQUALS).value("Jeff Nelson").and().group(Criteria.where().key("company").operator(Operator.EQUALS).value("Cinchapi").or().key("company").operator(Operator.EQUALS).value("Blavity")).build();
    Timestamp timestamp = Timestamp.now();
    criteria = criteria.at(timestamp);
    List<Symbol> symbols = Parsing.groupExpressions(criteria.symbols());
    symbols.forEach((symbol) -> {
        if (symbol instanceof ExpressionSymbol) {
            ExpressionSymbol expression = (ExpressionSymbol) symbol;
            Assert.assertEquals(expression.raw().timestamp(), timestamp.getMicros());
        }
    });
}

Example 3 with Symbol

use of com.cinchapi.ccl.grammar.Symbol in project concourse by cinchapi.

the class Convert method javaToThrift.

/**
 * Return the Thrift Object that represents {@code object}.
 *
 * @param object
 * @return the TObject
 */
public static TObject javaToThrift(Object object) {
    if (object == null) {
        return TObject.NULL;
    } else {
        ByteBuffer bytes;
        Type type = null;
        if (object instanceof Boolean) {
            bytes = ByteBuffer.allocate(1);
            bytes.put((boolean) object ? (byte) 1 : (byte) 0);
            type = Type.BOOLEAN;
        } else if (object instanceof Double) {
            bytes = ByteBuffer.allocate(8);
            bytes.putDouble((double) object);
            type = Type.DOUBLE;
        } else if (object instanceof Float) {
            bytes = ByteBuffer.allocate(4);
            bytes.putFloat((float) object);
            type = Type.FLOAT;
        } else if (object instanceof Link) {
            bytes = ByteBuffer.allocate(8);
            bytes.putLong(((Link) object).longValue());
            type = Type.LINK;
        } else if (object instanceof Long) {
            bytes = ByteBuffer.allocate(8);
            bytes.putLong((long) object);
            type = Type.LONG;
        } else if (object instanceof Integer) {
            bytes = ByteBuffer.allocate(4);
            bytes.putInt((int) object);
            type = Type.INTEGER;
        } else if (object instanceof BigDecimal) {
            bytes = ByteBuffer.allocate(8);
            bytes.putDouble((double) ((BigDecimal) object).doubleValue());
            type = Type.DOUBLE;
        } else if (object instanceof Tag) {
            bytes = ByteBuffer.wrap(object.toString().getBytes(StandardCharsets.UTF_8));
            type = Type.TAG;
        } else if (object instanceof Timestamp) {
            try {
                bytes = ByteBuffer.allocate(8);
                bytes.putLong(((Timestamp) object).getMicros());
                type = Type.TIMESTAMP;
            } catch (IllegalStateException e) {
                throw new UnsupportedOperationException("Cannot convert string based Timestamp to a TObject");
            }
        } else if (object instanceof Function) {
            type = Type.FUNCTION;
            Function function = (Function) object;
            byte[] nameBytes = function.operation().getBytes(StandardCharsets.UTF_8);
            byte[] keyBytes = function.key().getBytes(StandardCharsets.UTF_8);
            if (function instanceof IndexFunction) {
                /*
                     * Schema:
                     * | type (1) | timestamp(8) | nameLength (4) | name
                     * (nameLength) | key |
                     */
                bytes = ByteBuffer.allocate(1 + 8 + 4 + nameBytes.length + keyBytes.length);
                bytes.put((byte) FunctionType.INDEX.ordinal());
                bytes.putLong(((TemporalFunction) function).timestamp());
                bytes.putInt(nameBytes.length);
                bytes.put(nameBytes);
                bytes.put(keyBytes);
            } else if (function instanceof KeyRecordsFunction) {
                /*
                     * Schema:
                     * | type (1) | timestamp(8) | nameLength (4) | name
                     * (nameLength) | keyLength (4) | key (keyLength) | records
                     * (8 each) |
                     */
                KeyRecordsFunction func = (KeyRecordsFunction) function;
                bytes = ByteBuffer.allocate(1 + 8 + 4 + nameBytes.length + 4 + keyBytes.length + 8 * func.source().size());
                bytes.put((byte) FunctionType.KEY_RECORDS.ordinal());
                bytes.putLong(((TemporalFunction) function).timestamp());
                bytes.putInt(nameBytes.length);
                bytes.put(nameBytes);
                bytes.putInt(keyBytes.length);
                bytes.put(keyBytes);
                for (long record : func.source()) {
                    bytes.putLong(record);
                }
            } else if (function instanceof KeyConditionFunction) {
                /*
                     * Schema:
                     * | type (1) | timestamp(8) | nameLength (4) | name
                     * (nameLength) | keyLength (4) | key (keyLength) |
                     * condition |
                     */
                KeyConditionFunction func = (KeyConditionFunction) function;
                String condition = ConcourseCompiler.get().tokenize(func.source()).stream().map(Symbol::toString).collect(Collectors.joining(" "));
                bytes = ByteBuffer.allocate(1 + 9 + 4 + nameBytes.length + 4 + keyBytes.length + condition.length());
                bytes.put((byte) FunctionType.KEY_CONDITION.ordinal());
                bytes.putLong(((TemporalFunction) function).timestamp());
                bytes.putInt(nameBytes.length);
                bytes.put(nameBytes);
                bytes.putInt(keyBytes.length);
                bytes.put(keyBytes);
                bytes.put(condition.getBytes(StandardCharsets.UTF_8));
            } else {
                throw new UnsupportedOperationException("Cannot convert the following function to a TObject: " + function);
            }
        } else {
            bytes = ByteBuffer.wrap(object.toString().getBytes(StandardCharsets.UTF_8));
            type = Type.STRING;
        }
        bytes.rewind();
        return new TObject(bytes, type).setJavaFormat(object);
    }
}

Example 4 with Symbol

use of com.cinchapi.ccl.grammar.Symbol 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;
}

Example 5 with Symbol

use of com.cinchapi.ccl.grammar.Symbol in project concourse by cinchapi.

the class ConcourseCompilerTest method testGroupSingle.

@Test
public void testGroupSingle() {
    String key = TestData.getString();
    Operator operator = Operator.EQUALS;
    Object value = TestData.getObject();
    Criteria criteria = Criteria.where().key(key).operator(operator).value(value).build();
    List<Symbol> symbols = Parsing.groupExpressions(criteria.symbols());
    ExpressionSymbol exp = (ExpressionSymbol) symbols.get(0);
    Assert.assertEquals(1, symbols.size());
    Assert.assertEquals(exp.raw().key(), key);
    Assert.assertEquals(exp.raw().operator(), operator);
    Assert.assertEquals(exp.values().get(0).value(), value);
}