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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.api.service;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.UUID;
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import org.apache.log4j.Logger;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Qualifier;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.ApplicationContextAware;
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import org.springframework.transaction.TransactionStatus;
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import org.springframework.transaction.annotation.Transactional;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.persistence.dao.common.ICdmEntityDao;
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public abstract class ServiceBase<T extends CdmBase> implements IService<T>, ApplicationContextAware {
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static Logger logger = Logger.getLogger(ServiceBase.class);
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//flush after saving this number of objects
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int flushAfterNo = 2000;
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protected ApplicationContext appContext;
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@Autowired
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@Qualifier("cdmDao")
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protected ICdmEntityDao<T> dao;
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protected void setEntityDao(ICdmEntityDao<T> dao){
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this.dao=dao;
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.cdm.api.service.Iyyy#setApplicationContext(org.springframework.context.ApplicationContext)
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*/
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public void setApplicationContext(ApplicationContext appContext){
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this.appContext = appContext;
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}
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protected T getCdmObjectByUuid(UUID uuid){
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return dao.findByUuid(uuid);
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}
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public int count(Class<T> clazz) {
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return dao.count(clazz);
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}
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@Transactional(readOnly = false)
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protected UUID saveCdmObject(T cdmObj){
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if (logger.isDebugEnabled()){logger.debug("Save cdmObj: " + (cdmObj == null? null: cdmObj.toString()));}
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return dao.saveOrUpdate(cdmObj);
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}
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@Transactional(readOnly = false)
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protected UUID saveCdmObject(T cdmObj, TransactionStatus txStatus){
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// TODO: Implement with considering txStatus
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if (logger.isDebugEnabled()){logger.debug("Save cdmObj: " + (cdmObj == null? null: cdmObj.toString()));}
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return dao.saveOrUpdate(cdmObj);
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}
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@Transactional(readOnly = false)
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protected <S extends T> Map<UUID, S> saveCdmObjectAll(Collection<S> cdmObjCollection){
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int types = cdmObjCollection.getClass().getTypeParameters().length;
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if (types > 0){
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if (logger.isDebugEnabled()){logger.debug("ClassType: + " + cdmObjCollection.getClass().getTypeParameters()[0]);}
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}
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Map<UUID, S> resultMap = new HashMap<UUID, S>();
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Iterator<S> iterator = cdmObjCollection.iterator();
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int i = 0;
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while(iterator.hasNext()){
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if ( ( (i % 5000) == 0) && (i > 0) ){logger.debug("Saved " + i + " objects" );}
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S cdmObj = iterator.next();
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UUID uuid = saveCdmObject(cdmObj);
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// if (logger.isDebugEnabled()){logger.debug("Save cdmObj: " + (cdmObj == null? null: cdmObj.toString()));}
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resultMap.put(uuid, cdmObj);
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i++;
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if ( (i % flushAfterNo) == 0){
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try{
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logger.debug("flush");
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dao.flush();
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}catch(Exception e){
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logger.error("UUUIIIII");
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e.printStackTrace();
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}
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}
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}
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if ( logger.isInfoEnabled() ){logger.info("Saved " + i + " objects" );}
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return resultMap;
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}
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@Transactional(readOnly = false)
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protected UUID removeCdmObject(T cdmObj){
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if (logger.isDebugEnabled()){logger.debug("Save cdmObj: " + (cdmObj == null? null: cdmObj.toString()));}
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return dao.delete(cdmObj);
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}
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public List<T> list(int limit, int start) {
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return dao.list(limit, start);
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}
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public List<T> rows(String tableName, int limit, int start) {
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return dao.rows(tableName, limit, start);
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}
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}
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