/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.juddi.datastore.jdbc;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.Vector;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.juddi.datatype.KeyedReference;
import org.apache.juddi.registry.RegistryEngine;
import org.apache.juddi.util.Config;
/**
* @author Steve Viens (sviens@apache.org)
*/
class ServiceCategoryTable
{
// private reference to the jUDDI logger
private static Log log = LogFactory.getLog(ServiceCategoryTable.class);
static String insertSQL = null;
static String selectSQL = null;
static String deleteSQL = null;
static String tablePrefix = "";
static
{
tablePrefix = Config.getStringProperty(
RegistryEngine.PROPNAME_TABLE_PREFIX,RegistryEngine.DEFAULT_TABLE_PREFIX);
// buffer used to build SQL statements
StringBuffer sql = null;
// build insertSQL
sql = new StringBuffer(150);
sql.append("INSERT INTO ").append(tablePrefix).append("SERVICE_CATEGORY (");
sql.append("SERVICE_KEY,");
sql.append("CATEGORY_ID,");
sql.append("TMODEL_KEY_REF,");
sql.append("KEY_NAME,");
sql.append("KEY_VALUE) ");
sql.append("VALUES (?,?,?,?,?)");
insertSQL = sql.toString();
// build selectSQL
sql = new StringBuffer(200);
sql.append("SELECT ");
sql.append("TMODEL_KEY_REF,");
sql.append("KEY_NAME,");
sql.append("KEY_VALUE, ");
sql.append("CATEGORY_ID ");
sql.append("FROM ").append(tablePrefix).append("SERVICE_CATEGORY ");
sql.append("WHERE SERVICE_KEY=? ");
sql.append("ORDER BY CATEGORY_ID");
selectSQL = sql.toString();
// build deleteSQL
sql = new StringBuffer(100);
sql.append("DELETE FROM ").append(tablePrefix).append("SERVICE_CATEGORY ");
sql.append("WHERE SERVICE_KEY=?");
deleteSQL = sql.toString();
}
/**
* Insert new row into the SERVICE_CATEGORY table.
*
* @param serviceKey String to the parent BusinessService object.
* @param keyRefs A Vector of KeyedReference instances to insert.
* @param connection JDBC connection
* @throws java.sql.SQLException
*/
public static void insert(
String serviceKey,
Vector keyRefs,
Connection connection)
throws java.sql.SQLException
{
PreparedStatement statement = null;
try
{
statement = connection.prepareStatement(insertSQL);
statement.setString(1, serviceKey.toString());
int listSize = keyRefs.size();
for (int categoryID = 0; categoryID < listSize; categoryID++)
{
KeyedReference keyRef = (KeyedReference) keyRefs.elementAt(categoryID);
// extract values to insert
String tModelKeyValue = null;
if (keyRef.getTModelKey() != null)
tModelKeyValue = keyRef.getTModelKey().toString();
// set the values
statement.setInt(2, categoryID);
statement.setString(3, tModelKeyValue);
statement.setString(4, keyRef.getKeyName());
statement.setString(5, keyRef.getKeyValue());
if (log.isDebugEnabled()) {
log.debug(
"insert into " + tablePrefix + "SERVICE_CATEGORY table:\n\n\t"
+ insertSQL
+ "\n\t SERVICE_KEY="
+ serviceKey.toString()
+ "\n\t CATEGORY_ID="
+ categoryID
+ "\n\t TMODEL_KEY_REF="
+ tModelKeyValue
+ "\n\t KEY_NAME="
+ keyRef.getKeyName()
+ "\n\t KEY_VALUE="
+ keyRef.getKeyValue()
+ "\n");
}
// insert
statement.executeUpdate();
}
}
finally
{
try
{
statement.close();
}
catch (Exception e)
{ /* ignored */
}
}
}
/**
* Select all rows from the SERVICE_CATEGORY table for a given ServiceKey.
*
* @param serviceKey String
* @param connection JDBC connection
* @throws java.sql.SQLException
*/
public static Vector select(String serviceKey, Connection connection)
throws java.sql.SQLException
{
Vector keyRefList = new Vector();
PreparedStatement statement = null;
ResultSet resultSet = null;
try
{
// create a statement to query with
statement = connection.prepareStatement(selectSQL);
statement.setString(1, serviceKey.toString());
if (log.isDebugEnabled()) {
log.debug(
"select from " + tablePrefix + "SERVICE_CATEGORY table:\n\n\t"
+ selectSQL
+ "\n\t SERVICE_KEY="
+ serviceKey.toString()
+ "\n");
}
// execute the statement
resultSet = statement.executeQuery();
while (resultSet.next())
{
KeyedReference keyRef = new KeyedReference();
keyRef.setTModelKey(resultSet.getString(1));//("TMODEL_KEY_REF"));
keyRef.setKeyName(resultSet.getString(2));//("KEY_NAME"));
keyRef.setKeyValue(resultSet.getString(3));//("KEY_VALUE"));
keyRefList.add(keyRef);
}
return keyRefList;
}
finally
{
try
{
resultSet.close();
statement.close();
}
catch (Exception e)
{ /* ignored */
}
}
}
/**
* Delete multiple rows from the SERVICE_CATEGORY table that are assigned to the
* ServiceKey specified.
*
* @param serviceKey String
* @param connection JDBC connection
* @throws java.sql.SQLException
*/
public static void delete(String serviceKey, Connection connection)
throws java.sql.SQLException
{
PreparedStatement statement = null;
try
{
// prepare the delete
statement = connection.prepareStatement(deleteSQL);
statement.setString(1, serviceKey.toString());
if (log.isDebugEnabled()) {
log.debug(
"delete from " + tablePrefix + "SERVICE_CATEGORY table:\n\n\t"
+ deleteSQL
+ "\n\t SERVICE_KEY="
+ serviceKey.toString()
+ "\n");
}
// execute
statement.executeUpdate();
}
finally
{
try
{
statement.close();
}
catch (Exception e)
{ /* ignored */
}
}
}
}