xmlstorage.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 org.w3c.dom.Element;
import sun.security.krb5.internal.crypto.e;


/**
 * @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 XMLStorage extends XMLNode {
	public static String NAME="Storage";

	public XMLStorage() throws NodeException{
		super();
		this.name=NAME;
	}
	
	/**
	 * @see com.mysqlecc.pub.xml.XmlProcess.XMLNode#getType()
	 */
	public int getType() {
		return XMLNode.XML_STORAGE;
	}

	/**从数据库中获取数据对象比较后的结果*/
	public void refreshChangedProperties(){
	}
	
	/**从数据库中获取数据对象定义*/
	public void refreshDDLInfo() throws Exception{
		this.addChild(new XMLTablespaces());
		this.addChild(new XMLUndoSegs());		
	}


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


	/**
	 * Manager类型的节点下面只能添加Database类型的节点
	 * */
	public boolean chkChildType(XMLNode node){
		if(node.getType()==XMLNode.XML_TABLESPACES) return true;
		if(node.getType()==XMLNode.XML_UNDO_SEGS) return true;

		return false;
	}

/**
	public InputStream getXmlStream(){
        String xml="";
        try {
            writer.newDocumnet();
            Element root=writer.createRoot("storage");
            root.setAttribute("name",this.getName());
            xml=writer.toString();
        } catch (XmlException e) {
			e.printStackTrace();
        }
        return XmlReader.streamFromString(xml);	
	}
**/

	/**
	 * Returns the 返回定义导出语句.
	 * @return String
	 */
	public String getSqlDDL(){
		return null;	
	}

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