Package com.datastax.driver.core.exceptions

Examples of com.datastax.driver.core.exceptions.InvalidTypeException

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     * column {@code i}.
     */
    public <T> BoundStatement setList(int i, List<T> v) {
        DataType type = metadata().getType(i);
        if (type.getName() != DataType.Name.LIST)
            throw new InvalidTypeException(String.format("Column %s is of type %s, cannot set to a list", metadata().getName(i), type));

        // If the list is empty, it will never fail validation, but otherwise we should check the list given if of the right type
        if (!v.isEmpty()) {
            // Ugly? Yes
            Class<?> providedClass = v.get(0).getClass();
            Class<?> expectedClass = type.getTypeArguments().get(0).asJavaClass();

            if (!expectedClass.isAssignableFrom(providedClass))
                throw new InvalidTypeException(String.format("Invalid value for column %s of CQL type %s, expecting list of %s but provided list of %s", metadata().getName(i), type, expectedClass, providedClass));
        }

        return setValue(i, Codec.<List<T>>getCodec(type).decompose(v));
    }
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     * elements of column {@code i}.
     */
    public <K, V> BoundStatement setMap(int i, Map<K, V> v) {
        DataType type = metadata().getType(i);
        if (type.getName() != DataType.Name.MAP)
            throw new InvalidTypeException(String.format("Column %s is of type %s, cannot set to a map", metadata().getName(i), type));

        if (!v.isEmpty()) {
            // Ugly? Yes
            Map.Entry<K, V> entry = v.entrySet().iterator().next();
            Class<?> providedKeysClass = entry.getKey().getClass();
            Class<?> providedValuesClass = entry.getValue().getClass();

            Class<?> expectedKeysClass = type.getTypeArguments().get(0).getName().javaType;
            Class<?> expectedValuesClass = type.getTypeArguments().get(1).getName().javaType;
            if (!expectedKeysClass.isAssignableFrom(providedKeysClass) || !expectedValuesClass.isAssignableFrom(providedValuesClass))
                throw new InvalidTypeException(String.format("Invalid value for column %s of CQL type %s, expecting map of %s->%s but provided map of %s->%s", metadata().getName(i), type, expectedKeysClass, expectedValuesClass, providedKeysClass, providedValuesClass));
        }

        return setValue(i, Codec.<Map<K, V>>getCodec(type).decompose(v));
    }
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     * column {@code i}.
     */
    public <T> BoundStatement setSet(int i, Set<T> v) {
        DataType type = metadata().getType(i);
        if (type.getName() != DataType.Name.SET)
            throw new InvalidTypeException(String.format("Column %s is of type %s, cannot set to a set", metadata().getName(i), type));

        if (!v.isEmpty()) {
            // Ugly? Yes
            Class<?> providedClass = v.iterator().next().getClass();
            Class<?> expectedClass = type.getTypeArguments().get(0).getName().javaType;

            if (!expectedClass.isAssignableFrom(providedClass))
                throw new InvalidTypeException(String.format("Invalid value for column %s of CQL type %s, expecting set of %s but provided set of %s", metadata().getName(i), type, expectedClass, providedClass));
        }

        return setValue(i, Codec.<Set<T>>getCodec(type).decompose(v));
    }
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    // Note: we avoid having a vararg method to avoid the array allocation that comes with it.
    void checkType(int i, DataType.Name name) {
        DataType defined = getType(i);
        if (name != defined.getName())
            throw new InvalidTypeException(String.format("Column %s is of type %s", getName(i), defined));
    }
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    }

    DataType.Name checkType(int i, DataType.Name name1, DataType.Name name2) {
        DataType defined = getType(i);
        if (name1 != defined.getName() && name2 != defined.getName())
            throw new InvalidTypeException(String.format("Column %s is of type %s", getName(i), defined));

        return defined.getName();
    }
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    }

    DataType.Name checkType(int i, DataType.Name name1, DataType.Name name2, DataType.Name name3) {
        DataType defined = getType(i);
        if (name1 != defined.getName() && name2 != defined.getName() && name3 != defined.getName())
            throw new InvalidTypeException(String.format("Column %s is of type %s", getName(i), defined));

        return defined.getName();
    }
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        @Override
        public Long parse(String value) {
            try {
                return Long.parseLong(value);
            } catch (NumberFormatException e) {
                throw new InvalidTypeException(String.format("Cannot parse 64-bits long value from \"%s\"", value));
            }
        }
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            return deserializeNoBoxing(bytes);
        }

        public long deserializeNoBoxing(ByteBuffer bytes) {
            if (bytes.remaining() != 8)
                throw new InvalidTypeException("Invalid 64-bits long value, expecting 8 bytes but got " + bytes.remaining());

            return bytes.getLong(bytes.position());
        }
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            if (value.equalsIgnoreCase(Boolean.FALSE.toString()))
                return false;
            if (value.equalsIgnoreCase(Boolean.TRUE.toString()))
                return true;

            throw new InvalidTypeException(String.format("Cannot parse boolean value from \"%s\"", value));
        }
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            return deserializeNoBoxing(bytes);
        }

        public boolean deserializeNoBoxing(ByteBuffer bytes) {
            if (bytes.remaining() != 1)
                throw new InvalidTypeException("Invalid boolean value, expecting 1 byte but got " + bytes.remaining());

            return bytes.get(bytes.position()) != 0;
        }
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Related Classes of com.datastax.driver.core.exceptions.InvalidTypeException

  • com.datastax.driver.core.AbstractAddressableByIndexData
  • com.datastax.driver.core.AbstractData
  • com.datastax.driver.core.AbstractGettableByIndexData
  • com.datastax.driver.core.ArrayBackedRow
  • com.datastax.driver.core.BoundStatement
  • com.datastax.driver.core.ColumnDefinitions
  • com.datastax.driver.core.DataType
  • com.datastax.driver.core.DataType$Custom
  • com.datastax.driver.core.Row
  • com.datastax.driver.core.TypeCodec$BigIntegerCodec
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