wp/nwyj/.svn/pristine/29/29fe041125edf7a8aa884cb2066cd3fb598274a5.svn-base

package com.persistence.DBdll.adapter.assitant.DbIsModify;

import com.persistence.DBdll.adapter.assitant.ColumnInfo;
import com.sysmodel.datamodel.Parameter.XmlManagerPara;

public class OracleColumnAdp extends ColumnAdp{

	@Override
	public boolean isModifyByDatatypeAndColumnInfo(String datatype, String xmlScale,
			int xmlPrecision, ColumnInfo columninfo) {

		if (datatype.equals(XmlManagerPara.hudgestring)) {
			if (columninfo.getColumnTypeName().equals("CLOB"))
				return false;
			else
				return true;
		} else if (datatype.equals(XmlManagerPara.date)) {
			if (columninfo.getColumnTypeName().equals("DATE"))
				return false;
			else
				return true;

		} else if (datatype.equals(XmlManagerPara.image)) {

			if (columninfo.getColumnTypeName().equals("VARCHAR2")
					&& columninfo.getPrecision() == 100)
				return false;
			else
				return true;

		} else if (datatype.equals(XmlManagerPara.number)) {

			if (columninfo.getColumnTypeName().equals("NUMBER")
					&& columninfo.getPrecision() == xmlPrecision
					&& (xmlScale.equals("") || xmlScale
							.equals(String.valueOf(columninfo.getScale()))))
				return false;
			else
				return true;

		} else if (datatype.equals(XmlManagerPara.bool)) {

			if (columninfo.getColumnTypeName().equals("NUMBER"))
				return false;
			else
				return true;
		} else if (datatype.equals(XmlManagerPara.string)) {

			boolean bresult = false;
			if (columninfo.getPrecision() != xmlPrecision)
				bresult = true;

			if (xmlPrecision < 50 && !columninfo.getColumnTypeName().equals("VARCHAR2"))
				bresult = true;

			if (xmlPrecision >= 50 && xmlPrecision <= 2000
					&& !columninfo.getColumnTypeName().equals("NVARCHAR2"))
				bresult = true;

			return bresult;
		}
		return true;
	}

}