Java Code Examples for org.bson.BsonWriter#writeNull()

The following examples show how to use org.bson.BsonWriter#writeNull() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: EntityEncoder.java From morphia with Apache License 2.0

6 votes

private <S> void encodeValue(final BsonWriter writer, final EncoderContext encoderContext, final FieldModel<S> model,
                             final S propertyValue) {
    if (model.shouldSerialize(propertyValue)) {
        writer.writeName(model.getMappedName());
        if (propertyValue == null) {
            writer.writeNull();
        } else {
            try {
                encoderContext.encodeWithChildContext(model.getCachedCodec(), writer, propertyValue);
            } catch (CodecConfigurationException e) {
                throw new CodecConfigurationException(String.format("Failed to encode '%s'. Encoding '%s' errored with: %s",
                    morphiaCodec.getEntityModel().getName(), model.getMappedName(), e.getMessage()), e);
            }
        }
    }
}

Example 2

Source File: GroupCodec.java From morphia with Apache License 2.0

6 votes

@Override
protected void encodeStage(final BsonWriter writer, final Group group, final EncoderContext encoderContext) {
    writer.writeStartDocument();
    GroupId id = group.getId();
    if (id != null) {
        writer.writeName("_id");
        if(id.getDocument() != null) {
            id.getDocument().encode(getMapper(), writer, encoderContext);
        } else {
            id.getField().encode(getMapper(), writer, encoderContext);
        }
    } else {
        writer.writeNull("_id");
    }

    Fields<Group> fields = group.getFields();
    if(fields != null) {
        fields.encode(getMapper(), writer, encoderContext);
    }

    writer.writeEndDocument();
}

Example 3

Source File: MathExpression.java From morphia with Apache License 2.0

6 votes

@Override
public void encode(final Mapper mapper, final BsonWriter writer, final EncoderContext encoderContext) {
    writer.writeStartDocument();
    writer.writeName(getOperation());
    if (operands.size() > 1) {
        writer.writeStartArray();
    }
    for (final Expression operand : operands) {
        if (operand != null) {
            ExpressionCodec.writeUnnamedExpression(mapper, writer, operand, encoderContext);
        } else {
            writer.writeNull();
        }
    }
    if (operands.size() > 1) {
        writer.writeEndArray();
    }
    writer.writeEndDocument();
}

Example 4

Source File: EnumCodec.java From core-ng-project with Apache License 2.0

5 votes

@Override
public void encode(BsonWriter writer, T value, EncoderContext context) {
    if (value == null) {
        writer.writeNull();
    } else {
        writer.writeString(encodingMappings.get(value));
    }
}

Example 5

Source File: LocaleCodec.java From morphia with Apache License 2.0

5 votes

@Override
public void encode(final BsonWriter writer, final Locale value, final EncoderContext encoderContext) {
    if (value == null) {
        writer.writeNull();
    } else {
        writer.writeString(value.toString());
    }
}

Example 6

Source File: CollectionCodec.java From morphia with Apache License 2.0

5 votes

@Override
public void encode(final BsonWriter writer, final Collection<T> collection, final EncoderContext encoderContext) {
    writer.writeStartArray();
    for (final T value : collection) {
        if (value == null) {
            writer.writeNull();
        } else {
            codec.encode(writer, value, encoderContext);
        }
    }
    writer.writeEndArray();
}

Example 7

Source File: MorphiaMapPropertyCodecProvider.java From morphia with Apache License 2.0

5 votes

@Override
public void encode(final BsonWriter writer, final Map<K, V> map, final EncoderContext encoderContext) {
    writer.writeStartDocument();
    for (final Entry<K, V> entry : map.entrySet()) {
        final K key = entry.getKey();
        writer.writeName((String) Conversions.convert(key, String.class));
        if (entry.getValue() == null) {
            writer.writeNull();
        } else {
            codec.encode(writer, entry.getValue(), encoderContext);
        }
    }
    writer.writeEndDocument();
}

Example 8

Source File: Filter.java From morphia with Apache License 2.0

5 votes

protected void writeNamedValue(final String name, final Object named, final Mapper mapper, final BsonWriter writer,
                               final EncoderContext encoderContext) {
    writer.writeName(name);
    if (named != null) {
        Codec codec = mapper.getCodecRegistry().get(named.getClass());
        encoderContext.encodeWithChildContext(codec, writer, named);
    } else {
        writer.writeNull();
    }
}

Example 9

Source File: Filter.java From morphia with Apache License 2.0

5 votes

protected void writeUnnamedValue(final Object value, final Mapper mapper, final BsonWriter writer,
                                 final EncoderContext encoderContext) {
    if (value != null) {
        Codec codec = mapper.getCodecRegistry().get(value.getClass());
        encoderContext.encodeWithChildContext(codec, writer, value);
    } else {
        writer.writeNull();
    }
}

Example 10

Source File: ExpressionCodec.java From morphia with Apache License 2.0

5 votes

@Override
public void encode(final BsonWriter writer, final T expression, final EncoderContext encoderContext) {
    if (expression != null) {
        expression.encode(mapper, writer, encoderContext);
    } else {
        writer.writeNull();
    }
}

Example 11

Source File: ValueExpression.java From morphia with Apache License 2.0

5 votes

@Override
public void encode(final Mapper mapper, final BsonWriter writer, final EncoderContext encoderContext) {
    if (getValue() != null) {
        Codec codec = mapper.getCodecRegistry().get(getValue().getClass());
        encoderContext.encodeWithChildContext(codec, writer, getValue());
    } else {
        writer.writeNull();
    }
}

Example 12

Source File: LocalDateTimeCodec.java From core-ng-project with Apache License 2.0

4 votes

static void write(BsonWriter writer, LocalDateTime value) {
    if (value == null) writer.writeNull();
    else writer.writeDateTime(value.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli());
}

Example 13

Source File: ZonedDateTimeCodec.java From core-ng-project with Apache License 2.0

4 votes

static void write(BsonWriter writer, ZonedDateTime value) {
    if (value == null) writer.writeNull();
    else writer.writeDateTime(value.toInstant().toEpochMilli());
}

Example 14

Source File: AbstractJsonCodec.java From vertx-mongo-client with Apache License 2.0

4 votes

protected void writeNull(BsonWriter writer, String name, Object value, EncoderContext ctx) {
  writer.writeNull();
}