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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.io.common.mapping.out;
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import java.sql.PreparedStatement;
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.List;
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import org.apache.log4j.Logger;
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import eu.etaxonomy.cdm.io.common.DbExportConfiguratorBase;
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import eu.etaxonomy.cdm.io.common.DbExportStateBase;
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import eu.etaxonomy.cdm.io.common.Source;
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import eu.etaxonomy.cdm.io.common.mapping.CdmIoMapping;
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import eu.etaxonomy.cdm.io.common.mapping.CdmMapperBase;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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/**
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* @author a.mueller
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* @created 12.05.2009
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* @version 1.0
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*/
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public class CdmDbExportMapping<STATE extends DbExportStateBase<CONFIG, TRANSFORM>, CONFIG extends DbExportConfiguratorBase<STATE, TRANSFORM>, TRANSFORM extends IExportTransformer> extends CdmIoMapping {
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private static final Logger logger = Logger.getLogger(CdmDbExportMapping.class);
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private PreparedStatement preparedStatement;
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private String dbTableName;
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private List<CollectionExportMapping<STATE,CONFIG, TRANSFORM>> collectionMappingList = new ArrayList<CollectionExportMapping<STATE,CONFIG, TRANSFORM>>();
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public CdmDbExportMapping(String tableName){
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this.dbTableName = tableName;
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}
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public boolean initialize(STATE state) throws SQLException{
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CONFIG config = state.getConfig();
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Source db = config.getDestination();
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try {
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IndexCounter index;
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String strPreparedStatement = prepareStatement();
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logger.debug(strPreparedStatement);
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this.preparedStatement = db.getConnection().prepareStatement(strPreparedStatement);
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index = new IndexCounter(1);
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for (CdmMapperBase mapper : this.mapperList){
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if (mapper instanceof IDbExportMapper){
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IDbExportMapper<DbExportStateBase<?,TRANSFORM>,TRANSFORM> dbMapper = (IDbExportMapper)mapper;
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dbMapper.initialize(preparedStatement, index, state, dbTableName);
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}else{
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logger.warn("mapper "+mapper.toString() + "," + mapper.getClass().getName() +" is not of type " + IDbExportMapper.class.getSimpleName());
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}
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}
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for (CollectionExportMapping<STATE,CONFIG, TRANSFORM> collectionMapping : this.collectionMappingList ){
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collectionMapping.initialize(state);
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}
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return true;
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} catch (SQLException e) {
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logger.warn("SQL Exception");
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throw e;
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}
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}
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public boolean invoke(CdmBase cdmBase) throws SQLException{
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try {
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boolean result = true;
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for (CdmMapperBase mapper : this.mapperList){
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if (mapper instanceof ObjectChangeMapper){
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ObjectChangeMapper changeMapper = (ObjectChangeMapper)mapper;
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cdmBase = changeMapper.getNewObject(cdmBase);
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}else if (mapper instanceof IDbExportMapper){
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IDbExportMapper<DbExportStateBase<?,TRANSFORM>, TRANSFORM> dbMapper = (IDbExportMapper)mapper;
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try {
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result &= dbMapper.invoke(cdmBase);
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} catch (Exception e) {
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result = false;
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logger.error("Error occurred in mapping.invoke");
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e.printStackTrace();
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continue;
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}
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}else {
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logger.warn("mapper " + mapper.toString() + "is not of required type " + IDbExportMapper.class.getSimpleName());
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}
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}
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int count = preparedStatement.executeUpdate();
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if (logger.isDebugEnabled())logger.debug("Number of rows affected: " + count);
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for (CollectionExportMapping<STATE,CONFIG, TRANSFORM> collectionMapping : this.collectionMappingList ){
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result &= collectionMapping.invoke(cdmBase);
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}
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return result;
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} catch(Exception e){
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e.printStackTrace();
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logger.error(e.getMessage() + ": " + cdmBase.toString());
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return false;
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}
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}
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public void addCollectionMapping(CollectionExportMapping<STATE,CONFIG, TRANSFORM> collectionMapping){
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this.collectionMappingList.add(collectionMapping);
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}
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protected String prepareStatement(){
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String sqlInsert = "INSERT INTO " + getDbTableName() + " (";
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String sqlValues = ") VALUES(";
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String sqlEnd = ")";
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String attributes = "";
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String values = "";
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for (String attribute : this.getDestinationAttributeList()){
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attributes += "," + attribute;
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values += ",?";
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}
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attributes = attributes.substring(1); //delete first ','
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values = values.substring(1); //delete first ','
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String result = sqlInsert + attributes + sqlValues + values + sqlEnd;
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return result;
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}
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/**
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* @return the berlinModelTableName
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*/
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public String getDbTableName() {
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return dbTableName;
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}
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/**
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* @param berlinModelTableName the berlinModelTableName to set
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*/
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public void setDbTableName(String dbTableName) {
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this.dbTableName = dbTableName;
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}
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/**
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* @return the preparedStatement
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*/
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protected PreparedStatement getPreparedStatement() {
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return preparedStatement;
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}
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/**
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* @param preparedStatement the preparedStatement to set
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*/
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protected void setPreparedStatement(PreparedStatement preparedStatement) {
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this.preparedStatement = preparedStatement;
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}
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// protected List<CdmAttributeMapperBase> getAttributeMapperList(){
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// List<CdmAttributeMapperBase> list = this.mapperList;
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// return list;
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// }
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}
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