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Example 6 with SienaFutureWrapper

use of siena.core.async.SienaFutureWrapper in project siena by mandubian.

the class GaePersistenceManagerAsync method delete.

public <T> SienaFuture<Integer> delete(QueryAsync<T> query) {
    final ArrayList<Key> keys = new ArrayList<Key>();
    for (final Entity entity : prepareKeysOnly(query).asIterable(FetchOptions.Builder.withDefaults())) {
        keys.add(entity.getKey());
    }
    Future<Void> future = ds.delete(keys);
    Future<Integer> wrapped = new SienaFutureWrapper<Void, Integer>(future) {

        @Override
        protected Integer wrap(Void v) throws Exception {
            return keys.size();
        }
    };
    return new SienaFutureContainer<Integer>(wrapped);
}
Also used : SienaFutureWrapper(siena.core.async.SienaFutureWrapper) Entity(com.google.appengine.api.datastore.Entity) SienaFutureContainer(siena.core.async.SienaFutureContainer) ArrayList(java.util.ArrayList) Key(com.google.appengine.api.datastore.Key)

Example 7 with SienaFutureWrapper

use of siena.core.async.SienaFutureWrapper in project siena by mandubian.

the class GaePersistenceManagerAsync method getByKey.

public <T> SienaFuture<T> getByKey(final Class<T> clazz, final Object key) {
    Key gkey = GaeMappingUtils.makeKeyFromId(clazz, key);
    try {
        Future<Entity> future = ds.get(gkey);
        Future<T> wrapped = new SienaFutureWrapper<Entity, T>(future) {

            @Override
            protected T wrap(Entity entity) throws Exception {
                T obj = Util.createObjectInstance(clazz);
                GaeMappingUtils.fillModelAndKey(obj, entity);
                return obj;
            }
        };
        return new SienaFutureContainer<T>(wrapped);
    } catch (Exception e) {
        throw new SienaException(e);
    }
}
Also used : SienaFutureWrapper(siena.core.async.SienaFutureWrapper) Entity(com.google.appengine.api.datastore.Entity) SienaFutureContainer(siena.core.async.SienaFutureContainer) SienaException(siena.SienaException) Key(com.google.appengine.api.datastore.Key) SienaException(siena.SienaException) NotImplementedException(org.apache.commons.lang.NotImplementedException)

Example 8 with SienaFutureWrapper

use of siena.core.async.SienaFutureWrapper in project siena by mandubian.

the class GaePersistenceManagerAsync method save.

public SienaFuture<Integer> save(final Object... objects) {
    List<Entity> entities = new ArrayList<Entity>();
    for (Object obj : objects) {
        Class<?> clazz = obj.getClass();
        ClassInfo info = ClassInfo.getClassInfo(clazz);
        Field idField = info.getIdField();
        Entity entity;
        Object idVal = Util.readField(obj, idField);
        // id with null value means insert
        if (idVal == null) {
            entity = GaeMappingUtils.createEntityInstance(idField, info, obj);
        } else // id with not null value means update
        {
            entity = GaeMappingUtils.createEntityInstanceForUpdate(info, obj);
        }
        GaeMappingUtils.fillEntity(obj, entity);
        entities.add(entity);
    }
    Future<List<Key>> future = ds.put(entities);
    Future<Integer> wrapped = new SienaFutureWrapper<List<Key>, Integer>(future) {

        @Override
        protected Integer wrap(List<Key> keys) throws Exception {
            int i = 0;
            for (Object obj : objects) {
                Class<?> clazz = obj.getClass();
                ClassInfo info = ClassInfo.getClassInfo(clazz);
                Field idField = info.getIdField();
                Object idVal = Util.readField(obj, idField);
                if (idVal == null) {
                    GaeMappingUtils.setIdFromKey(idField, obj, keys.get(i++));
                }
            }
            return keys.size();
        }
    };
    return new SienaFutureContainer<Integer>(wrapped);
}
Also used : SienaFutureWrapper(siena.core.async.SienaFutureWrapper) Entity(com.google.appengine.api.datastore.Entity) SienaFutureContainer(siena.core.async.SienaFutureContainer) ArrayList(java.util.ArrayList) Field(java.lang.reflect.Field) QueryResultList(com.google.appengine.api.datastore.QueryResultList) ArrayList(java.util.ArrayList) List(java.util.List) Key(com.google.appengine.api.datastore.Key) ClassInfo(siena.ClassInfo)

Example 9 with SienaFutureWrapper

use of siena.core.async.SienaFutureWrapper in project siena by mandubian.

the class GaePersistenceManagerAsync method insert.

public SienaFuture<Integer> insert(final Object... objects) {
    List<Entity> entities = new ArrayList<Entity>(objects.length);
    for (int i = 0; i < objects.length; i++) {
        Class<?> clazz = objects[i].getClass();
        ClassInfo info = ClassInfo.getClassInfo(clazz);
        Field idField = info.getIdField();
        Entity entity = GaeMappingUtils.createEntityInstance(idField, info, objects[i]);
        GaeMappingUtils.fillEntity(objects[i], entity);
        entities.add(entity);
    }
    Future<List<Key>> future = ds.put(entities);
    Future<Integer> wrapped = new SienaFutureWrapper<List<Key>, Integer>(future) {

        @Override
        protected Integer wrap(List<Key> generatedKeys) throws Exception {
            int i = 0;
            for (Object obj : objects) {
                Class<?> clazz = obj.getClass();
                ClassInfo info = ClassInfo.getClassInfo(clazz);
                Field idField = info.getIdField();
                GaeMappingUtils.setIdFromKey(idField, obj, generatedKeys.get(i++));
            }
            return generatedKeys.size();
        }
    };
    return new SienaFutureContainer<Integer>(wrapped);
}
Also used : SienaFutureWrapper(siena.core.async.SienaFutureWrapper) Entity(com.google.appengine.api.datastore.Entity) SienaFutureContainer(siena.core.async.SienaFutureContainer) ArrayList(java.util.ArrayList) Field(java.lang.reflect.Field) QueryResultList(com.google.appengine.api.datastore.QueryResultList) ArrayList(java.util.ArrayList) List(java.util.List) Key(com.google.appengine.api.datastore.Key) ClassInfo(siena.ClassInfo)

Aggregations

Entity (com.google.appengine.api.datastore.Entity)9 Key (com.google.appengine.api.datastore.Key)9 SienaFutureContainer (siena.core.async.SienaFutureContainer)9 SienaFutureWrapper (siena.core.async.SienaFutureWrapper)9 ArrayList (java.util.ArrayList)6 QueryResultList (com.google.appengine.api.datastore.QueryResultList)5 List (java.util.List)5 ClassInfo (siena.ClassInfo)5 Field (java.lang.reflect.Field)4 NotImplementedException (org.apache.commons.lang.NotImplementedException)1 SienaException (siena.SienaException)1