org.tinygroup.tinydb.convert.impl.DatabaseTableConfigLoad Maven / Gradle / Ivy
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/**
* Copyright (c) 1997-2013, www.tinygroup.org ([email protected]).
*
* Licensed under the GPL, Version 3.0 (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.gnu.org/licenses/gpl.html
*
* 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.tinygroup.tinydb.convert.impl;
import org.tinygroup.beancontainer.BeanContainerFactory;
import org.tinygroup.commons.tools.CollectionUtil;
import org.tinygroup.database.config.table.Table;
import org.tinygroup.database.config.table.TableField;
import org.tinygroup.database.table.TableProcessor;
import org.tinygroup.logger.LogLevel;
import org.tinygroup.metadata.config.stddatatype.DialectType;
import org.tinygroup.metadata.config.stddatatype.StandardType;
import org.tinygroup.metadata.config.stdfield.StandardField;
import org.tinygroup.metadata.util.MetadataUtil;
import org.tinygroup.tinydb.BeanOperatorManager;
import org.tinygroup.tinydb.config.ColumnConfiguration;
import org.tinygroup.tinydb.config.TableConfiguration;
import org.tinygroup.tinydb.exception.TinyDbException;
import java.util.List;
/**
* tiny database描述的表结构配置
*
* @author renhui
*
*/
public class DatabaseTableConfigLoad extends AbstractTableConfigLoad {
private static final String DECIMAL_DIGITS_HOLDER = "scale";
private static final String COLUMN_SIZE_HOLDER = "length,precision";
private String database;
public String getDatabase() {
return database;
}
public void setDatabase(String database) {
this.database = database;
}
protected void realLoadTable() throws TinyDbException {
TableProcessor processor = BeanContainerFactory.getBeanContainer(
this.getClass().getClassLoader()).getBean(
TableProcessor.BEAN_NAME);
List tables = processor.getTables();
if (!CollectionUtil.isEmpty(tables)) {
for (Table table : tables) {
logger.logMessage(LogLevel.DEBUG, "开始转化表对象:{}", table.getName());
TableConfiguration configuration = new TableConfiguration();
String tableName = table.getNameWithOutSchema();
String schema = getSchema(table.getSchema());
if (existsTable(tableName, schema)) {
logger.logMessage(LogLevel.WARN, "表格:{0}已存在，无需重新加载",
tableName);
continue;
}
configuration.setName(tableName);
configuration.setSchema(schema);
List fields = table.getFieldList();
if (!CollectionUtil.isEmpty(fields)) {
for (TableField tableField : fields) {
tableFieldConvert(configuration, tableField);
}
addTableConfiguration(configuration);
}
logger.logMessage(LogLevel.DEBUG, "转化表对象:{}结束", table.getName());
}
}
}
protected void realConvert(BeanOperatorManager manager) throws TinyDbException{
}
private void tableFieldConvert(TableConfiguration configuration,
TableField tableField) {
ColumnConfiguration column = new ColumnConfiguration();
String standardFieldId = tableField.getStandardFieldId();
StandardField standardField = MetadataUtil.getStandardField(
standardFieldId, this.getClass().getClassLoader());
if (standardField == null) {
logger.logMessage(LogLevel.ERROR, "找不到[{}]对应的标准字段信息",
standardFieldId);
return;
}
StandardType standardType = MetadataUtil.getStandardType(standardFieldId, this.getClass().getClassLoader());
DialectType dialectType = MetadataUtil.getDialectType(standardFieldId,
getDatabase(), this.getClass().getClassLoader());
column.setColumnName(standardField.getName());
column.setAllowNull(Boolean.toString(!tableField.getNotNull()));
column.setColumnSize(MetadataUtil.getPlaceholderValue(standardFieldId,
COLUMN_SIZE_HOLDER, this.getClass().getClassLoader()));
column.setDataType(standardType.getDataType());
column.setPrimaryKey(tableField.getPrimary());
column.setDecimalDigits(MetadataUtil.getPlaceholderValue(
standardFieldId, DECIMAL_DIGITS_HOLDER, "0", this.getClass()
.getClassLoader()));
column.setTypeName(dialectType.getType());
configuration.addColumn(column);
}
}
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