xmlobjecttypes.java

导出ORACLE数据库对象DDL语句的程序

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

import java.io.InputStream;
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.JDBCException;
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 XMLObjectTypes extends XMLNode {
	String sqlFunctions = "select type_name from DBA_TYPES where typecode='OBJECT' and owner=? order by type_name";

	String crComparedSql="SELECT SRC_TYPE_NAME,ATTR_NAME,SRC_ATTR_VALUE 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 static String NAME="Object Types";
	private String typeName = "";
	
	/**
	 * Constructor for XMLManager.
	 */
	public XMLObjectTypes() {
		super();
		this.name=NAME;
	}

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


	/**
	 * 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 rsCrObjectTypes=pStmt.executeQuery();
		while(rsCrObjectTypes.next()){
			XMLObjectType ObjectType0=null;
			byte status=XMLNode.toCompareStatus(rsCrObjectTypes.getString("SRC_ATTR_VALUE"));
			if(status==XMLNode.SRC_NULL_DST_EXIST)
				ObjectType0=new XMLObjectType(rsCrObjectTypes.getString("DST_TYPE_NAME"));
			else
				ObjectType0=new XMLObjectType(rsCrObjectTypes.getString("SRC_TYPE_NAME"));

			ObjectType0.setCompareStatus(status);
			this.addChild(ObjectType0);

		}
		rsCrObjectTypes.close();

		//再修改比较节点
		pStmt=cnn.prepareStatement(upComparedSql);
		pStmt.setString(1,this.getSchema().name.toUpperCase());
		ResultSet rsUpObjectTypes=pStmt.executeQuery();
		while(rsUpObjectTypes.next()){
			XMLObjectType ObjectType1=(XMLObjectType)this.getDirectChildren(XMLNode.XML_OBJECTTYPE,rsUpObjectTypes.getString("SRC_TYPE_NAME"));
			ObjectType1.putChangedProperty(rsUpObjectTypes.getString("ATTR_NAME"),rsUpObjectTypes.getString("SRC_ATTR_VALUE"),rsUpObjectTypes.getString("DST_ATTR_VALUE"));				
		}
		
		rsUpObjectTypes.close();
		pStmt.close();
		/**
		} catch (Exception e) {
			Logger.log(Logger.ERROR,e.getMessage());
		}
		**/
	}
	

	/**从数据库中获取数据对象定义*/
	public void refreshDDLInfo()throws Exception{
		JDBCPool cnn=null;
		
		XMLDatabase db=this.getDatabase();
		if(JDBCPoolManager.getInstance().isDebug()) 
			System.out.println(this.getClass().toString());
			
		if(db!=null) 
			cnn = db.getConnPool();
		else return;

		//获取Type列表
		PreparedStatement pStmt=cnn.prepareStatement(this.sqlFunctions);
		pStmt.setString(1,this.getParent().getParent().getName().toUpperCase());
		ResultSet rsObjectTypes=pStmt.executeQuery();

		while(rsObjectTypes.next()){
			XMLObjectType type=new XMLObjectType(rsObjectTypes.getString(1));
			type.setCompareStatus(ComparedNode.NO_COMPARED);
			this.addChild(type);
		}
		
		rsObjectTypes.close();
		pStmt.close();			

	}


	/**
	 * @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_OBJECTTYPE) 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) {
	}
}