/*
* Copyright (c) 2014.
*
* BaasBox - info-at-baasbox.com
*
* Licensed 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 com.baasbox.dao;
import java.util.List;
import com.baasbox.dao.exception.SqlInjectionException;
import com.baasbox.db.DbHelper;
import com.baasbox.exception.IndexNotFoundException;
import com.baasbox.util.QueryParams;
import com.orientechnologies.orient.core.db.record.ODatabaseRecordTx;
import com.orientechnologies.orient.core.record.impl.ODocument;
public abstract class IndexDao{
public final String INDEX_NAME;
public static final String MODEL_NAME = "_BB_Index";
protected ODatabaseRecordTx db;
protected IndexDao(String indexName) throws IndexNotFoundException {
this.INDEX_NAME=indexName.toUpperCase();
this.db=DbHelper.getConnection();
//this.index = db.getMetadata().getIndexManager().getIndex(indexName);
//if (index==null) throw new IndexNotFoundException("The index " + indexName + " does not exists");
//if (!index.getType().equals(OClass.INDEX_TYPE.DICTIONARY.toString())) throw new IndexNotFoundException("The index " + indexName + " is not a dictionary");
}
public IndexDao put (String key,Object value){
String indexKey = this.INDEX_NAME+":"+key;
ODocument newValue = getODocument(key);
if(newValue==null){
newValue = new ODocument(MODEL_NAME);
newValue.field("key",indexKey);
}
newValue.field("value",value);
newValue.save();
//index.put(key, newValue);
return this;
}
private ODocument getODocument(String key){
String indexKey = this.INDEX_NAME+":"+key;
QueryParams qp = QueryParams.getInstance();
qp.where("key = ?").params(new String[]{indexKey});
try{
List<ODocument> docs = GenericDao.getInstance().executeQuery(MODEL_NAME, qp);
if(docs==null || docs.isEmpty()){
return null;
}else{
return docs.get(0);
}
}catch(SqlInjectionException sie){
throw new RuntimeException(sie);
}
}
public Object get (String key){
ODocument valueOnDb=getODocument(key);
if (valueOnDb==null) return null;
return valueOnDb.field("value");
}
}