LegacyDAO

Manage the execution of queries in database. For example, the execution of queries in SQL or HQL.

Methods

executeSQL

Description:

Example:

package com.openkm;

import java.io.InputStream;
import java.io.StringReader;

import org.apache.commons.io.IOUtils;

import com.openkm.core.Config;
import com.openkm.dao.LegacyDAO;
import com.openkm.util.ConfigUtils;
import com.openkm.util.DatabaseDialectAdapter;

public class Test {
	public static void main(String[] args) {
		try {
			InputStream is = ConfigUtils.getResourceAsStream("test.sql");
			String adapted = DatabaseDialectAdapter.dialectAdapter(is, Config.HIBERNATE_DIALECT);
			LegacyDAO.executeSQL(new StringReader(adapted));
			IOUtils.closeQuietly(is);
			
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}

executeSQL

Description:

Example:

package com.openkm;

import java.util.List;

import com.openkm.bean.form.Option;
import com.openkm.dao.LegacyDAO;

public class Test {
	public static void main(String[] args) {
		try {
			String query = "select DMT_VIRTUAL_COLUMN, DMT_REAL_COLUMN from OKM_DB_METADATA_TYPE";
			for (List<String> row : LegacyDAO.executeSQL(query, null)) {
				Option option = new Option();
				option.setValue(row.get(0));
				option.setLabel(row.get(1));
				System.out.println("First value :" + row.get(0) + " Second value: " + row.get(1) + " ...");
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}

executeHQL

Description:

Example:

package com.openkm;

import java.util.List;

import com.openkm.dao.LegacyDAO;

public class Test {
	public static void main(String[] args) {
		try {
			String query = "select dmt.virtualColumn, dmt.realColumn from DatabaseMetadataType dmt";
			List<object> list = LegacyDAO.executeHQL(query);
			for (Object obj : list) {
				Object[] dt = (Object[]) obj;
				System.out.println(
						"First value :" + String.valueOf(dt[0]) + " Second value: " + String.valueOf(dt[1]) + " ...");
			}

		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}