xmlindexes.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.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 XMLIndexes extends XMLNode {
	public static String NAME="Indexes";
	String sqlIndexes = "select index_name,tablespace_name from dba_indexes where owner=? and table_name=? and index_type<>'LOB'";
	String crComparedIndexes="SELECT SRC_INDEX_NAME,ATTR_NAME,SRC_ATTR_VALUE,DST_INDEX_NAME FROM COMPARE_INDEXES WHERE SRC_INDEX_OWNER=? AND SRC_TABLE_NAME=? AND ATTR_NAME='MYSTYLE'";
	String upComparedIndexes="SELECT SRC_INDEX_NAME,ATTR_NAME,SRC_ATTR_VALUE,DST_ATTR_VALUE FROM COMPARE_INDEXES WHERE SRC_INDEX_OWNER=? AND SRC_TABLE_NAME=? AND ATTR_NAME<>'MYSTYLE'";
	
	public XMLIndexes(){
		this.name=NAME;
	}
	
	/**
	 * @see com.icbcsdc.ddlexp.pub.xml.nodeinfo.XMLNode#getType()
	 */
	public int getType() {
		return XMLNode.XML_INDEXES;
	}

	/**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(JDBCPoolManager.getInstance().isDebug()) 
			System.out.println(this.getClass().toString());
			
		if(db!=null) cnn = db.getConnPool();
		else return;

		//先创建比较节点
		PreparedStatement pStmt=cnn.prepareStatement(crComparedIndexes);
		pStmt.setString(1,this.getSchema().getName().toUpperCase());
		pStmt.setString(2,this.getParent().getName().toUpperCase());
		ResultSet rsCrTabCols=pStmt.executeQuery();
		
		while(rsCrTabCols.next()){
			XMLIndex ind=null;
			byte status=XMLNode.toCompareStatus(rsCrTabCols.getString("SRC_ATTR_VALUE"));
			if(status==XMLNode.SRC_NULL_DST_EXIST)
				ind=new XMLIndex(rsCrTabCols.getString("DST_INDEX_NAME"));
			else
				ind=new XMLIndex(rsCrTabCols.getString("SRC_INDEX_NAME"));

			ind.setCompareStatus(status);
			this.addChild(ind);
		}
		rsCrTabCols.close();

		//再修改比较节点
		Logger.log(Logger.DEBUG,upComparedIndexes);				
		pStmt=cnn.prepareStatement(upComparedIndexes);
		pStmt.setString(1,this.getSchema().getName().toUpperCase());
		pStmt.setString(2,this.getParent().getName().toUpperCase());
		ResultSet rsUpTabColumns=pStmt.executeQuery();

		while(rsUpTabColumns.next()){
			XMLIndex ind1=(XMLIndex)this.getDirectChildren(XMLNode.XML_INDEX,rsUpTabColumns.getString("SRC_INDEX_NAME"));
			ind1.putChangedProperty(rsUpTabColumns.getString("ATTR_NAME"),rsUpTabColumns.getString("SRC_ATTR_VALUE"),rsUpTabColumns.getString("DST_ATTR_VALUE"));
			Logger.log(Logger.DEBUG,rsUpTabColumns.getString("ATTR_NAME")+"/"+rsUpTabColumns.getString("SRC_ATTR_VALUE")+rsUpTabColumns.getString("DST_ATTR_VALUE"));				
		}

		rsUpTabColumns.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;

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

		//获取Index列表
		PreparedStatement pStmt=cnn.prepareStatement(sqlIndexes);
		
		pStmt.setString(1,this.getParent().getParent().getParent().getName().toUpperCase());
		pStmt.setString(2,this.getParent().getName().toUpperCase());
		ResultSet rsIndexes=pStmt.executeQuery();


		while(rsIndexes.next()){
			XMLIndex index=new XMLIndex(rsIndexes.getString(1),rsIndexes.getString(2));
			index.setCompareStatus(ComparedNode.NO_COMPARED);
			this.addChild(index);
			//index.refresh();
		}
		
		pStmt.close();
		rsIndexes.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_INDEX) 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) {
	}
}