Examples with Nullable com.mongodb.lang.Nullable used on opensource projects

Example 16 with Nullable

use of com.mongodb.lang.Nullable in project morphia by mongodb.

the class Mapper method getWriteConcern.

/**
 * Gets the write concern for entity or returns the default write concern for this datastore
 *
 * @param clazz the class to use when looking up the WriteConcern
 * @return the write concern for the type
 * @morphia.internal
 */
@Nullable
public WriteConcern getWriteConcern(Class clazz) {
    WriteConcern wc = null;
    EntityModel entityModel = getEntityModel(clazz);
    if (entityModel != null) {
        final Entity entityAnn = entityModel.getEntityAnnotation();
        if (entityAnn != null && !entityAnn.concern().isEmpty()) {
            wc = WriteConcern.valueOf(entityAnn.concern());
        }
    }
    return wc;
}

Example 17 with Nullable

use of com.mongodb.lang.Nullable in project morphia by mongodb.

the class ArrayFieldAccessor method convert.

@Nullable
private Object convert(Object o, Class<?> type) {
    if (o instanceof List) {
        List list = (List) o;
        final Object newArray = Array.newInstance(type.getComponentType(), list.size());
        for (int i = 0; i < list.size(); i++) {
            Object converted = convert(list.get(i), type.getComponentType());
            try {
                Array.set(newArray, i, converted);
            } catch (IllegalArgumentException e) {
                throw new IllegalArgumentException(format("Can't set %s with a value type of %s", getField(), converted.getClass()));
            }
        }
        return newArray;
    }
    return Conversions.convert(o, type);
}

Example 18 with Nullable

use of com.mongodb.lang.Nullable in project morphia by mongodb.

the class Conversions method convert.

/**
 * Attempts to convert a value to the given type
 *
 * @param value  the value to convert
 * @param target the target type
 * @param <T>    the target type
 * @return the potentially converted value
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
@Nullable
public static <T> T convert(@Nullable Object value, Class<T> target) {
    if (value == null) {
        return (T) convertNull(target);
    }
    final Class<?> fromType = value.getClass();
    if (fromType.equals(target)) {
        return (T) value;
    }
    final Function function = CONVERSIONS.computeIfAbsent(fromType, (f) -> new HashMap<>()).get(target);
    if (function == null) {
        if (target.equals(String.class)) {
            return (T) value.toString();
        }
        if (target.isEnum() && fromType.equals(String.class)) {
            return (T) Enum.valueOf((Class<? extends Enum>) target, (String) value);
        }
        return (T) value;
    }
    return (T) function.apply(value);
}

Example 19 with Nullable

use of com.mongodb.lang.Nullable in project morphia by mongodb.

the class MorphiaCodecProvider method get.

@Nullable
@Override
@SuppressWarnings({ "unchecked", "rawtypes" })
public <T> Codec<T> get(Class<T> type, CodecRegistry registry) {
    MorphiaCodec<T> codec = (MorphiaCodec<T>) codecs.get(type);
    if (codec == null && (mapper.isMapped(type) || mapper.isMappable(type))) {
        EntityModel model = mapper.getEntityModel(type);
        codec = new MorphiaCodec<>(datastore, model, propertyCodecProviders, mapper.getDiscriminatorLookup(), registry);
        if (model.hasLifecycle(PostPersist.class) || model.hasLifecycle(PrePersist.class) || mapper.hasInterceptors()) {
            codec.setEncoder(new LifecycleEncoder(codec));
        }
        if (model.hasLifecycle(PreLoad.class) || model.hasLifecycle(PostLoad.class) || mapper.hasInterceptors()) {
            codec.setDecoder(new LifecycleDecoder(codec));
        }
        codecs.put(type, codec);
    }
    return codec;
}