package xgenerator.service.impl;
import java.util.ArrayList;
import java.util.List;
import java.util.Vector;
import xgenerator.converter.JavaTypeConverter;
import xgenerator.dao.DataSourceConfigDao;
import xgenerator.dao.MetadataDao;
import xgenerator.factory.DaoFactoryConfig;
import xgenerator.factory.DaoFactory;
import xgenerator.model.FieldMetadata;
import xgenerator.model.ModelMetadata;
import xgenerator.service.MetadataService;
import xgenerator.util.StringUtils;
/**
* <p>
* Title：MetadataServiceImpl
* </p>
* <p>
* Description：
* </p>
* <p>
* Copyright: Copyright (c) 2012
* </p>
* <p>
* Company: liss
* </p>
* @author <a href="mailto:shushanlee@msn.com">liss</a>
* @version 1.0
* @see
* @since 1.0
*/
public class MetadataServiceImpl implements MetadataService {
/**
* 初始化行数
*/
public static final int INIT_ROWS_COUNT = 5;
/**
* 数据源配置Dao
*/
private DataSourceConfigDao dataSourceConfigDao;
/**
* constructor
*/
public MetadataServiceImpl() {
this.dataSourceConfigDao = DaoFactory.getInstance(DaoFactoryConfig.XML_CLASS).getDataSourceConfigDao();
}
/**
* <p>
* Title：获取配置的所有数据源列表
* </p>
* @author <a href="mailto:shushanlee@msn.com">liss</a>
* @return
* @see xgenerator.service.MetadataService#getDataSourceNames()
*/
public Vector<String> getDataSourceNames() {
return this.dataSourceConfigDao.findAllDataSourceNames();
}
/**
* <p>
* Title：根据数据源名称，获取数据库的所有表
* </p>
* @author <a href="mailto:shushanlee@msn.com">liss</a>
* @param dataSourceName
* @return
* @see xgenerator.service.MetadataService#getTables(java.lang.String)
*/
public Vector<String> getTables(String dataSourceName) {
String dbType = this.dataSourceConfigDao.getDbType(dataSourceName);
if(StringUtils.isBlank(dbType)) {
throw new RuntimeException("请选择数据源！");
}
MetadataDao metadataDao = DaoFactory.getInstance(dbType).getMetadataDao();
return metadataDao.getTables(dataSourceName);
}
/**
* <p>
* Title：
* </p>
* @author <a href="mailto:shushanlee@msn.com">liss</a>
* @param dataSourceName
* @param tableName
* @return
* @see xgenerator.service.MetadataService#getTableColumns(java.lang.String, java.lang.String)
*/
public Vector<String> getTableColumns(String dataSourceName, String tableName) {
String dbType = this.dataSourceConfigDao.getDbType(dataSourceName);
if(StringUtils.isBlank(dbType)) {
throw new RuntimeException("请选择数据源！");
}
MetadataDao metadataDao = DaoFactory.getInstance(dbType).getMetadataDao();
return metadataDao.getTableColumns(dataSourceName, tableName);
}
/**
* <p>
* Title：ModelMetadata
* </p>
* @param dataSourceName
* @param tableName
* @return
* @see xgenerator.service.MetadataService#getModelMetadata(java.lang.String, java.lang.String)
*/
public ModelMetadata getModelMetadata(String dataSourceName, String tableName) {
ModelMetadata modelMetadata = new ModelMetadata();
modelMetadata.setMetadataModelName(tableName);
String tableComments = null;
List<FieldMetadata> fieldMetadatas = null;
if (StringUtils.isBlank(dataSourceName) || StringUtils.isBlank(tableName)) {//初始界面数据
tableComments = "";
fieldMetadatas = new ArrayList<FieldMetadata>();
for (int i = 0; i < INIT_ROWS_COUNT; i++) {
FieldMetadata oneMetadata = new FieldMetadata();
oneMetadata.setNullable(true);
oneMetadata.setKeyField(false);
fieldMetadatas.add(oneMetadata);
}
} else {
String dbType = this.dataSourceConfigDao.getDbType(dataSourceName);
if(StringUtils.isBlank(dbType)) {
throw new RuntimeException("请选择数据源！");
}
MetadataDao metadataDao = DaoFactory.getInstance(dbType).getMetadataDao();
metadataDao.setPropertyTypeConverter(new JavaTypeConverter());
tableComments = metadataDao.getTableComments(dataSourceName, tableName);
fieldMetadatas = metadataDao.getTableColumnMetadata(dataSourceName, tableName);
}
modelMetadata.setModelDescription(tableComments);
modelMetadata.setFieldMetadatas(fieldMetadatas);
return modelMetadata;
}
public DataSourceConfigDao getDatasourceDao() {
return dataSourceConfigDao;
}
public void setDatasourceDao(DataSourceConfigDao dataSourceConfigDao) {
this.dataSourceConfigDao = dataSourceConfigDao;
}
}