xmltypes.java

导出ORACLE数据库对象DDL语句的程序

package com.icbcsdc.ddlexp.pub.xml.nodeinfo;

import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;

import com.icbcsdc.ddlexp.pub.staticLog.Logger;
import com.icbcsdc.ddlexp.pub.connectionpool.JDBCCnn;
import com.icbcsdc.ddlexp.pub.connectionpool.JDBCPool;
import com.icbcsdc.ddlexp.pub.connectionpool.JDBCPoolManager;

/**
 * @author zhangyc
 *
 * To change this generated comment edit the template variable "typecomment":
 * Window>Preferences>Java>Templates.
 * To enable and disable the creation of type comments go to
 * Window>Preferences>Java>Code Generation.
 */
public class XMLTypes extends XMLNode {

	public static final String NAME="Types";

	String crComparedSql="SELECT SRC_TYPE_NAME,ATTR_NAME,SRC_ATTR_VALUE,DST_TYPE_NAME FROM COMPARE_TYPES WHERE SRC_OWNER=? AND ATTR_NAME='MYSTYLE'";
	String upComparedSql="SELECT SRC_TYPE_NAME,ATTR_NAME,SRC_ATTR_VALUE,DST_ATTR_VALUE FROM COMPARE_TYPES WHERE SRC_OWNER=? AND ATTR_NAME<>'MYSTYLE'";	

	public XMLTypes() throws NodeException{
		super();
		this.name=NAME;
		
	} 

	/**
	 * @see com.icbcsdc.ddlexp.pub.xml.nodeinfo.XMLNode#getType()
	 */
	public int getType() {
		return XMLNode.XML_TYPES;
	}

	/**
	 * @see com.icbcsdc.ddlexp.pub.xml.nodeinfo.XMLNode#refresh()
	 */
	public void refreshDDLInfo() throws Exception{
		JDBCPool cnn=null;

		XMLDatabase db=this.getDatabase();
		if(db!=null) cnn = db.getConnPool();
		else return;

		this.addChild(new XMLArrayTypes());
		this.addChild(new XMLObjectTypes());
		this.addChild(new XMLTableTypes());

		if(db.getVersion() == XMLDatabase.VERSION_ORACLE8I){
			String sqlGenDDL = "BEGIN GEN_TYPE_DDL(?); END;";
			CallableStatement cStmt = cnn.prepareCall(sqlGenDDL);
			cStmt.setString(1,this.getSchema().name);
			cStmt.execute();
		}
		//super.refresh();
	}

	/**从数据库中获取数据对象比较后的结果*/
	public void refreshChangedProperties()throws Exception{
		JDBCPool cnn=null;
		//try {
		XMLDatabase db=this.getDatabase();
		if(db!=null) cnn = db.getConnPool();
		else return;

		//先创建比较节点
		PreparedStatement pStmt=cnn.prepareStatement(crComparedSql);
		pStmt.setString(1,this.getSchema().name.toUpperCase());
		ResultSet rsCr=pStmt.executeQuery();
		while(rsCr.next()){
			XMLType type0=null;
			byte status=XMLNode.toCompareStatus(rsCr.getString("SRC_ATTR_VALUE"));
			if(status==XMLNode.SRC_NULL_DST_EXIST)
				type0 = new XMLType(rsCr.getString("DST_TYPE_NAME"));
			else
				type0 = new XMLType(rsCr.getString("SRC_TYPE_NAME"));

			type0.setCompareStatus(status);
			this.addChild(type0);

		}
		rsCr.close();

		//再修改比较节点
		pStmt=cnn.prepareStatement(upComparedSql);
		pStmt.setString(1,this.getSchema().name.toUpperCase());
		ResultSet rsUp=pStmt.executeQuery();
		while(rsUp.next()){
			XMLType type1=(XMLType)this.getDirectChildren(XMLNode.XML_TYPE,rsUp.getString("SRC_TYPE_NAME"));
			type1.putChangedProperty(rsUp.getString("ATTR_NAME"),rsUp.getString("SRC_ATTR_VALUE"),rsUp.getString("DST_ATTR_VALUE"));				
		}
		
		rsUp.close();
		pStmt.close();
		/**	
		} catch (Exception e) {
			Logger.log(Logger.ERROR,e.getMessage());
		}
		**/
	}
	

	/**
	 * @see com.icbcsdc.ddlexp.pub.xml.nodeinfo.XMLNode#refresh()
	 */
	public void refresh() throws Exception{
		refreshNodeNeedAccessDB();		
		super.refresh();
	}

	/**
	 * @see com.icbcsdc.ddlexp.pub.xml.nodeinfo.XMLNode#chkChildType(XMLNode)
	 */
	public boolean chkChildType(XMLNode node) {
		if(node.getType()==XMLNode.XML_ARRAYTYPES) return true;
		if(node.getType()==XMLNode.XML_OBJECTTYPES) return true;
		if(node.getType()==XMLNode.XML_TABLETYPES) return true;
		if(node.getType()==XMLNode.XML_TYPE) return true;

		return false;
	}

	/**
	 * @see com.icbcsdc.ddlexp.pub.xml.nodeinfo.XMLNode#getXmlStream()
	public InputStream getXmlStream() {
		return null;
	}
	 */

	/**
	 * @see com.icbcsdc.ddlexp.pub.xml.nodeinfo.XMLNode#getSqlDDL()
	 */
	public String getSqlDDL() {
		return null;
	}

	public static void main(String[] args) {
	}
}