xmlfunctions.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.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.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 XMLFunctions extends XMLNode {
	public static String NAME="Functions";
	//String sqlFunctions = "select name,line,text from DBA_SOURCE where type='FUNCTION' and owner=? order by name,line";
	String sqlFunctions = "select name, MAX(LINE)  from DBA_SOURCE where type='FUNCTION' and owner=? GROUP BY NAME";
	String sqlFunctionsWrapped = "select name from DBA_SOURCE where type='FUNCTION' and line=1 and owner=? and text like '% wrapped%'";
	
	String crComparedFunctions="SELECT SRC_FUNCTION_NAME,ATTR_NAME,SRC_ATTR_VALUE,DST_FUNCTION_NAME FROM COMPARE_FUNCTIONS WHERE SRC_OWNER=? AND  ATTR_NAME='MYSTYLE'";
	String upComparedFunctions="SELECT SRC_FUNCTION_NAME,ATTR_NAME,SRC_ATTR_VALUE,DST_ATTR_VALUE FROM COMPARE_FUNCTIONS WHERE SRC_OWNER=?  AND ATTR_NAME<>'MYSTYLE'";

	private String text = "";
	private String funName = "";
	//private boolean wrapped = false;
	
	
	
	/**
	 * Constructor for XMLManager.
	 */
	public XMLFunctions() {
		super();
		this.name=NAME;
//		this.setParent(null);
	}

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

	/**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 {
			//XMLManager.getInstance().
		XMLDatabase db=this.getDatabase();
		if(db!=null) cnn = db.getConnPool();
		else return;

		//先创建比较节点
		PreparedStatement pStmt=cnn.prepareStatement(crComparedFunctions);
		pStmt.setString(1,this.getSchema().getName().toUpperCase());
		//pStmt.setString(2,this.getParent().getName().toUpperCase());
		ResultSet rsCrFunctions=pStmt.executeQuery();
		
		while(rsCrFunctions.next()){
			XMLFunction function=null;
			byte status=XMLNode.toCompareStatus(rsCrFunctions.getString("SRC_ATTR_VALUE"));
			if(status==XMLNode.SRC_NULL_DST_EXIST)
				function=new XMLFunction(rsCrFunctions.getString("DST_FUNCTION_NAME"));
			else
				function=new XMLFunction(rsCrFunctions.getString("SRC_FUNCTION_NAME"));

			function.setCompareStatus(status);
			this.addChild(function);
		}
		rsCrFunctions.close();

		//再修改比较节点
		pStmt=cnn.prepareStatement(upComparedFunctions);
		pStmt.setString(1,this.getSchema().getName().toUpperCase());
		ResultSet rsUpFunctions=pStmt.executeQuery();

		while(rsUpFunctions.next()){
			XMLFunction constaint1=(XMLFunction)this.getDirectChildren(XMLNode.XML_FUNCTION,rsUpFunctions.getString("SRC_FUNCTION_NAME"));
			constaint1.putChangedProperty(rsUpFunctions.getString("ATTR_NAME"),rsUpFunctions.getString("SRC_ATTR_VALUE"),rsUpFunctions.getString("DST_ATTR_VALUE"));				
		}

		rsUpFunctions.close();
		pStmt.close();						
	}
	
	/**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(db!=null) 
			cnn = db.getConnPool();
		else return;
		
		/**
		if(db.getVersion() == XMLDatabase.VERSION_ORACLE8I){
			String sqlGenDDL = "BEGIN GEN_FUNC_DDL(?); END;";
			CallableStatement cStmt = cnn.prepareCall(sqlGenDDL);
			cStmt.setString(1,this.getSchema().name);
			cStmt.execute();
		}**/

		//获取Function列表
		PreparedStatement pStmt=cnn.prepareStatement(this.sqlFunctions);
		pStmt.setString(1,this.getParent().getParent().getName().toUpperCase());
		ResultSet rsFunctions=pStmt.executeQuery();
		while(rsFunctions.next()){
			XMLFunction function=new XMLFunction(rsFunctions.getString(1).trim());
			if(rsFunctions.getInt(2)>XMLNode.MAX_SOURCE_LINES)
				function.setOverflow(true);
			this.addChild(function);
		}
		rsFunctions.close();
		pStmt.close();			

		PreparedStatement pStmt1=cnn.prepareStatement(this.sqlFunctions);
		pStmt1.setString(1,this.getParent().getParent().getName().toUpperCase());
		ResultSet rsFunctionsWrapped=pStmt1.executeQuery();
		while(rsFunctionsWrapped.next()){
			XMLFunction function=(XMLFunction)this.getDirectChildren(XMLNode.XML_FUNCTION,rsFunctionsWrapped.getString(1).trim());
			function.setWrapped(true);
		}
		rsFunctionsWrapped.close();
		pStmt1.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_FUNCTION) 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) {
	}
}