Examples with CommandFind com.tvd12.dahlia.core.command.CommandFind used on opensource projects

Example 1 with CommandFind

use of com.tvd12.dahlia.core.command.CommandFind in project dahlia by youngmonkeys.

the class LocalCollection method find.

@Override
public EzyArray find(EzyObject query, FindOptions options) {
    CommandFind command = new CommandFind(store.getId(), query, options.toObject());
    EzyArray result = commandExecutor.execute(command);
    return result;
}

Example 2 with CommandFind

use of com.tvd12.dahlia.core.command.CommandFind in project dahlia by youngmonkeys.

the class CommandFindHandler method handle.

@Override
public Object handle(CommandFind command) {
    int collectionId = command.getCollectionId();
    Collection collection = databases.getCollection(collectionId);
    if (collection == null)
        throw new CollectionNotFoundException(collectionId);
    EzyObject query = command.getQuery();
    Predicate<EzyObject> predicate = queryToPredicate.toPredicate(query);
    CollectionSetting setting = collection.getSetting();
    CollectionStorage collectionStorage = storage.getCollectionStorage(collectionId);
    FieldSetting sId = setting.getId();
    Map<String, FieldSetting> sFields = setting.getFields();
    EzyObject options = command.getOptions();
    int skip = options.get(OptionFields.SKIP, int.class, 0);
    int limit = options.get(OptionFields.LIMIT, int.class, 25);
    EzyObject sortBy = options.get(OptionFields.SORT, EzyObject.class, EMPTY_OBJECT);
    if (sortBy.isEmpty()) {
        EzyArray answer = EzyEntityFactory.newArray();
        EzyWrap<Integer> count = new EzyWrap<>(0);
        synchronized (collection) {
            collection.forEach(new RecordConsumer() {

                @Override
                public void accept(Record r) {
                    EzyObject value = collectionStorage.readRecord(r, sId, sFields);
                    boolean accepted = predicate.test(value);
                    if (accepted) {
                        int currentCount = count.getValue();
                        if (currentCount >= skip)
                            answer.add(value);
                        count.setValue(currentCount + 1);
                    }
                }

                @Override
                public boolean next() {
                    int currentSize = answer.size();
                    return currentSize < limit;
                }
            });
        }
        return answer;
    } else {
        List<EzyObject> found = new ArrayList<>();
        synchronized (collection) {
            collection.forEach(new RecordConsumer() {

                @Override
                public void accept(Record r) {
                    EzyObject value = collectionStorage.readRecord(r, sId, sFields);
                    boolean accepted = predicate.test(value);
                    if (accepted)
                        found.add(value);
                }
            });
        }
        found.sort(sortByComparator(sortBy));
        return getResult(found, skip, limit);
    }
}

Example 3 with CommandFind

use of com.tvd12.dahlia.core.command.CommandFind in project dahlia by youngmonkeys.

the class DatabaseTest2 method main.

public static void main(String[] args) {
    deleteDataDir();
    DahliaCoreLoader loader = new DahliaCoreLoader().storageDirectory("data");
    DahliaCore dahlia = loader.load();
    CommandExecutor commandExecutor = dahlia.getCommandExecutor();
    DatabaseSetting databaseSetting = new DatabaseSetting();
    databaseSetting.setDatabaseName("hello");
    CommandCreateDatabase commandCreateDatabase = new CommandCreateDatabase(databaseSetting);
    Database database = null;
    try {
        database = commandExecutor.execute(commandCreateDatabase);
    } catch (DatabaseExistedException e) {
        database = dahlia.getDatabases().getDatabase("hello");
    }
    CollectionSetting collectionSetting = new CollectionSetting();
    collectionSetting.setCollectionId(1);
    collectionSetting.setCollectionName("test2");
    Map<String, FieldSetting> fieldSettings = new HashMap<>();
    FieldUuidSetting fieldIdSetting = new FieldUuidSetting();
    fieldIdSetting.setNullable(true);
    fieldSettings.put("_id", fieldIdSetting);
    FieldLongSetting fieldValueSetting = new FieldLongSetting();
    fieldValueSetting.setNullable(true);
    fieldValueSetting.setDefaultValue(300L);
    fieldSettings.put("value", fieldValueSetting);
    FieldTextSetting fieldNameSetting = new FieldTextSetting();
    fieldNameSetting.setNullable(false);
    fieldSettings.put("name", fieldNameSetting);
    collectionSetting.setFields(fieldSettings);
    IndexSetting nameIndexSetting = new IndexSetting("nameIndex", EzyMaps.newHashMap("name", true));
    collectionSetting.setIndexes(Lists.newArrayList(nameIndexSetting));
    System.out.println(collectionSetting.toMap());
    CommandCreateCollection commandCreateCollection = new CommandCreateCollection(database.getId(), collectionSetting);
    Collection collection = null;
    try {
        collection = commandExecutor.execute(commandCreateCollection);
    } catch (CollectionExistedException e) {
        collection = database.getCollection("test2");
    }
    EzyObject insertOneData = newObjectBuilder().append("value", 323L).append("name", "dungtv").build();
    CommandInsertOne commandInsertOne = new CommandInsertOne(collection.getId(), insertOneData);
    try {
        EzyObject insertOneResult = commandExecutor.execute(commandInsertOne);
        System.out.println("insert one result: " + insertOneResult);
    } catch (DuplicatedIdException e) {
    } catch (Exception e) {
        e.printStackTrace();
    }
    long v1 = 1;
    double v2 = 1.1;
    System.out.println(v2 == v1);
    // EzyObject query1 = newObjectBuilder()
    // .append("_id", newObjectBuilder().append(Keywords.LESS_THAN_EQUAL, 3L))
    // .build();
    // CommandFindOne findOne = new CommandFindOne(collection.getId(), query1);
    // EzyObject findOneResult = commandExecutor.execute(findOne);
    // System.out.println("findOneResult: " + findOneResult);
    // EzyObject query2 = newObjectBuilder()
    // .append(Keywords.OR, newArrayBuilder()
    // .append(newObjectBuilder().append("_id", newObjectBuilder().append(Keywords.LESS_THAN_EQUAL, 3L)))
    // .append(newObjectBuilder().append("value", 223))
    // )
    // .build();
    EzyObject query3 = newObjectBuilder().append(Keywords.OR, newArrayBuilder().append(newObjectBuilder().append("value", 323))).build();
    FindOptions options = new FindOptions().setSkip(0).setLimit(10);
    CommandFind commandFind = new CommandFind(collection.getId(), query3, options.toObject());
    EzyArray findResult = commandExecutor.execute(commandFind);
    System.out.println("findResult = " + findResult);
    Long size = dahlia.execute(new CommandCount(collection.getId()));
    System.out.println("size: " + size);
}

Example 4 with CommandFind

use of com.tvd12.dahlia.core.command.CommandFind in project dahlia by youngmonkeys.

the class DatabaseTest method main.

public static void main(String[] args) {
    // deleteDataDir();
    DahliaCoreLoader loader = new DahliaCoreLoader().storageDirectory("data");
    DahliaCore dahlia = loader.load();
    CommandExecutor commandExecutor = dahlia.getCommandExecutor();
    DatabaseSetting databaseSetting = new DatabaseSetting();
    databaseSetting.setDatabaseName("hello");
    CommandCreateDatabase commandCreateDatabase = new CommandCreateDatabase(databaseSetting);
    Database database = null;
    try {
        database = commandExecutor.execute(commandCreateDatabase);
    } catch (DatabaseExistedException e) {
        database = dahlia.getDatabases().getDatabase("hello");
    }
    CollectionSetting collectionSetting = new CollectionSetting();
    collectionSetting.setCollectionId(1);
    collectionSetting.setCollectionName("test");
    Map<String, FieldSetting> fieldSettings = new HashMap<>();
    FieldLongSetting fieldIdSetting = new FieldLongSetting();
    fieldIdSetting.setNullable(true);
    fieldIdSetting.setDefaultValue(100L);
    fieldSettings.put("_id", fieldIdSetting);
    FieldLongSetting fieldValueSetting = new FieldLongSetting();
    fieldValueSetting.setNullable(true);
    fieldValueSetting.setDefaultValue(300L);
    fieldSettings.put("value", fieldValueSetting);
    FieldTextSetting fieldNameSetting = new FieldTextSetting();
    fieldNameSetting.setNullable(false);
    fieldSettings.put("name", fieldNameSetting);
    collectionSetting.setFields(fieldSettings);
    System.out.println(collectionSetting.toMap());
    CommandCreateCollection commandCreateCollection = new CommandCreateCollection(database.getId(), collectionSetting);
    Collection collection = null;
    try {
        collection = commandExecutor.execute(commandCreateCollection);
    } catch (CollectionExistedException e) {
        collection = database.getCollection("test");
    }
    EzyObject insertOneData = newObjectBuilder().append("_id", 2L).append("value", 323L).append("name", "dungtv").build();
    CommandInsertOne commandInsertOne = new CommandInsertOne(collection.getId(), insertOneData);
    try {
        EzyObject insertOneResult = commandExecutor.execute(commandInsertOne);
        System.out.println("insert one result: " + insertOneResult);
    } catch (DuplicatedIdException e) {
    } catch (Exception e) {
        e.printStackTrace();
    }
    long v1 = 1;
    double v2 = 1.1;
    System.out.println(v2 == v1);
    // EzyObject query1 = newObjectBuilder()
    // .append("_id", newObjectBuilder().append(Keywords.LESS_THAN_EQUAL, 3L))
    // .build();
    // CommandFindOne findOne = new CommandFindOne(collection.getId(), query1);
    // EzyObject findOneResult = commandExecutor.execute(findOne);
    // System.out.println("findOneResult: " + findOneResult);
    // EzyObject query2 = newObjectBuilder()
    // .append(Keywords.OR, newArrayBuilder()
    // .append(newObjectBuilder().append("_id", newObjectBuilder().append(Keywords.LESS_THAN_EQUAL, 3L)))
    // .append(newObjectBuilder().append("value", 223))
    // )
    // .build();
    EzyObject query3 = newObjectBuilder().append(Keywords.OR, newArrayBuilder().append(newObjectBuilder().append(Keywords.LESS_THAN_EQUAL, newObjectBuilder().append("_id", 3L))).append(newObjectBuilder().append("value", 223))).build();
    FindOptions options = new FindOptions().setSkip(0).setLimit(10);
    CommandFind commandFind = new CommandFind(collection.getId(), query3, options.toObject());
    EzyArray findResult = commandExecutor.execute(commandFind);
    System.out.println("findResult = " + findResult);
    Long size = dahlia.execute(new CommandCount(collection.getId()));
    System.out.println("size: " + size);
}