/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
* (C) Copyright IBM Corporation, 2005. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
*/
package org.geotools.data.db2;
import org.geotools.data.jdbc.fidmapper.FIDMapper;
import org.geotools.data.jdbc.fidmapper.NullFIDMapper;
import java.util.logging.Logger;
/**
* Overrides NullFIDMapper methods for DB2-specific handling.
*
* @author David Adler - IBM Corporation
* @source $URL$
*/
public class DB2NullFIDMapper extends NullFIDMapper {
private static final Logger LOGGER = org.geotools.util.logging.Logging.getLogger(
"org.geotools.data.db2");
private int currentFID = 1;
/**
* Default constructor.
*/
public DB2NullFIDMapper() {
super();
}
/**
* Constructor to set schema and table name for Null mapper.
*
* @param tableSchemaName
* @param tableName
*/
public DB2NullFIDMapper(String tableSchemaName, String tableName) {
super(tableSchemaName, tableName);
}
/**
* @see org.geotools.data.jdbc.fidmapper.FIDMapper#getID(java.lang.Object[])
*/
public String getID(Object[] attributes) {
currentFID++;
return String.valueOf(currentFID);
}
/**
* @return {@code true} if fid is an integer, {@code false} othwerwise
* @see FIDMapper#isValid(String)
*/
public boolean isValid(String fid){
try{
Integer.parseInt(fid, 10);
}catch(NumberFormatException e){
return false;
}
return true;
}
}