xmlsynonyms.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 XMLSynonyms extends XMLNode {
	private String sqlSynonyms="SELECT SYNONYM_NAME,TABLE_OWNER,TABLE_NAME,DB_LINK FROM DBA_SYNONYMS WHERE OWNER=?";

	String crComparedSql="SELECT SRC_SYNONYM_NAME,ATTR_NAME,SRC_ATTR_VALUE,DST_SYNONYM_NAME FROM COMPARE_SYNONYMS WHERE SRC_OWNER=? AND ATTR_NAME='MYSTYLE'";
	String upComparedSql="SELECT SRC_SYNONYM_NAME,ATTR_NAME,SRC_ATTR_VALUE,DST_ATTR_VALUE FROM COMPARE_SYNONYMS WHERE SRC_OWNER=? AND ATTR_NAME<>'MYSTYLE'";	

	public static final String NAME="Synonyms";

	public XMLSynonyms(){
		super();
		this.name=NAME;
	} 

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

	/**
	 * @see com.icbcsdc.ddlexp.pub.xml.nodeinfo.XMLNode#refresh()
	 */
	public void refreshDDLInfo() throws Exception{
		//this.clear();
		JDBCPool cnn=null;
		//try {
		//XMLManager.getInstance().
		XMLDatabase db=this.getDatabase();
		if(db!=null) cnn = db.getConnPool();
		else return;

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

		//获取schema列表
		PreparedStatement pStmt=cnn.prepareStatement(sqlSynonyms);
		
		pStmt.setString(1,this.getParent().getName().toUpperCase());
		ResultSet rsSynonyms=pStmt.executeQuery();

		while(rsSynonyms.next()){
			XMLSynonym synonym=new XMLSynonym(rsSynonyms.getString(1),
							rsSynonyms.getString(2),
							rsSynonyms.getString(3),
							rsSynonyms.getString(4));
			//System.out.println(rsSynonyms.getString(1));
			this.addChild(synonym);
		}
		
		pStmt.close();
		rsSynonyms.close();			
		
		/**
		} catch (Exception e) {
			Logger.log(Logger.ERROR,e.getMessage());
		}
		**/
		//this.printChildren();
		//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 rsCrSynonyms=pStmt.executeQuery();
		while(rsCrSynonyms.next()){
			XMLSynonym Synonym0=null;
			byte status=XMLNode.toCompareStatus(rsCrSynonyms.getString("SRC_ATTR_VALUE"));
			if(status==XMLNode.SRC_NULL_DST_EXIST)
				Synonym0 = new XMLSynonym(rsCrSynonyms.getString("DST_SYNONYM_NAME"));
			else
				Synonym0 = new XMLSynonym(rsCrSynonyms.getString("SRC_SYNONYM_NAME"));

			Synonym0.setCompareStatus(status);
			this.addChild(Synonym0);

		}
		rsCrSynonyms.close();

		//再修改比较节点
		pStmt=cnn.prepareStatement(upComparedSql);
		pStmt.setString(1,this.getSchema().name.toUpperCase());
		ResultSet rsUpSynonyms=pStmt.executeQuery();
		while(rsUpSynonyms.next()){
			XMLSynonym Synonym1=(XMLSynonym)this.getDirectChildren(XMLNode.XML_SYNONYM,rsUpSynonyms.getString("SRC_SYNONYM_NAME"));
			Synonym1.putChangedProperty(rsUpSynonyms.getString("ATTR_NAME"),rsUpSynonyms.getString("SRC_ATTR_VALUE"),rsUpSynonyms.getString("DST_ATTR_VALUE"));				
		}
		
		rsUpSynonyms.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_SYNONYM) return true;
		
		return false;
	}

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

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