/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.tuscany.nosqldatastore;

import org.apache.tuscany.nosqldatastore.exception.*;
import org.oasisopen.sca.annotation.Init;
import org.oasisopen.sca.annotation.Scope;

@Scope("COMPOSITE")
public class DatastoreServiceImpl implements DatastoreService{

    private Session session;

    @Init
    public void init(){
        session = (new SessionFactory()).getCouchDBSession();    
    }

    public String echoTest(String database){
        return "Database "+database;
    }

    public void addEntry(String database, String group, String key, String value) throws DuplicateEntryException, SessionException {
        Database db = session.getDatabase(database);
        Group grp = db.getGroup(group);
        grp.addEntry(key, value);
    }

    public void updateEntry(String database, String group, String key, String value) throws EntryNotFoundException, SessionException {
        Database db = session.getDatabase(database);
        Group grp = db.getGroup(group);
        grp.updateEntry(key, value);
    }

    public void deleteEntry(String database, String group, String key) throws EntryNotFoundException, SessionException {
        Database db = session.getDatabase(database);
        Group grp = db.getGroup(group);
        grp.deleteEntry(key);
    }

    public String getEntry(String database, String group, String key) throws EntryNotFoundException, SessionException {
        Database db = session.getDatabase(database);
        Group grp = db.getGroup(group);
        return grp.getEntry(key);
    }

    public void deleteGroup(String database, String group) throws GroupNotFoundException, SessionException {
        Database db = session.getDatabase(database);
        db.deleteGroup(group);
    }

    public void deleteDatabase(String database) throws DatabaseNotFoundException, SessionException {
        session.deleteDatabase(database);
    }
}