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

Example 1 with CommandFindOne

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

the class LocalCollection method findOne.

@Override
public EzyObject findOne(EzyObject query) {
    CommandFindOne command = new CommandFindOne(store.getId(), query);
    EzyObject result = commandExecutor.execute(command);
    return result;
}

Example 2 with CommandFindOne

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

the class SecondTest method main.

public static void main(String[] args) {
    deleteDataDir();
    LocalDahlia dahlia = new LocalDahlia("data");
    DatabaseSetting databaseSetting = new DatabaseSetting();
    databaseSetting.setDatabaseName("hello");
    IDatabase database = null;
    try {
        database = dahlia.createDatabase(databaseSetting);
    } catch (DatabaseExistedException e) {
        database = dahlia.getDatabase("hello");
    }
    ICollection collection = null;
    try {
        collection = database.createCollection("classpath:hello_test_setting2.json");
    } catch (CollectionExistedException e) {
        collection = database.getCollection("test");
    }
    EzyObject insertOneData = newObjectBuilder().append("value", 323L).append("name", "dungtv").build();
    try {
        EzyObject insertOneResult = collection.insert(insertOneData);
        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", 323L))).build();
    FindOptions options = new FindOptions().setSkip(0).setLimit(10);
    EzyArray findResult = collection.find(query3, options);
    System.out.println("findResult = " + findResult);
    Long size = collection.count();
    System.out.println("size: " + size);
}

Example 3 with CommandFindOne

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

the class CommandFindOneHandler method handle.

@Override
public Object handle(CommandFindOne 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();
    EzyWrap<EzyObject> ref = new EzyWrap<>();
    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)
                    ref.setValue(value);
            }

            @Override
            public boolean next() {
                return ref.hasNoValue();
            }
        });
    }
    return ref.getValue();
}

Example 4 with CommandFindOne

use of com.tvd12.dahlia.core.command.CommandFindOne 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 5 with CommandFindOne

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

the class FirstTest method main.

public static void main(String[] args) {
    deleteDataDir();
    LocalDahlia dahlia = new LocalDahlia("data");
    DatabaseSetting databaseSetting = new DatabaseSetting();
    databaseSetting.setDatabaseName("hello");
    IDatabase database = null;
    try {
        database = dahlia.createDatabase(databaseSetting);
    } catch (DatabaseExistedException e) {
        database = dahlia.getDatabase("hello");
    }
    ICollection collection = null;
    try {
        collection = database.createCollection("classpath:hello_test_setting.json");
    } catch (CollectionExistedException e) {
        collection = database.getCollection("test");
    }
    EzyObject insertOneData1 = newObjectBuilder().append(SettingFields.ID, 2).append("value", 323L).append("name", "dungtv").build();
    try {
        EzyObject insertOneResult = collection.insert(insertOneData1);
        System.out.println("insert one result 1: " + insertOneResult);
    } catch (DuplicatedIdException e) {
    } catch (Exception e) {
        e.printStackTrace();
    }
    EzyObject insertOneData2 = newObjectBuilder().append(SettingFields.ID, 3).append("value", 325L).append("name", "dungtv").build();
    try {
        EzyObject insertOneResult = collection.insert(insertOneData2);
        System.out.println("insert one result 2: " + insertOneResult);
    } catch (DuplicatedIdException e) {
    } catch (Exception e) {
        e.printStackTrace();
    }
    EzyObject insertOneData3 = newObjectBuilder().append(SettingFields.ID, 4).append("value", 321L).append("name", "dungtv").build();
    try {
        EzyObject insertOneResult = collection.insert(insertOneData3);
        System.out.println("insert one result 3: " + 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", 100L))).append(newObjectBuilder().append("value", 323L))).build();
    FindOptions options = new FindOptions().setSkip(0).setLimit(10).sortBy("value");
    EzyArray findResult = collection.find(query3, options);
    System.out.println("findResult = " + findResult);
    Long size = collection.count();
    System.out.println("size: " + size);
}