/* $Id: BaseObject.java 988245 2010-08-23 18:39:35Z kwright $ */
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.manifoldcf.core.database;
import org.apache.manifoldcf.core.interfaces.*;
import java.util.*;
/** This is the base paper object, which can represents all the fields of a database row -
* plus anything else that is added. This works together with BaseTable, if an
* instance representation is required.
*/
public class BaseObject
{
public static final String _rcsid = "@(#)$Id: BaseObject.java 988245 2010-08-23 18:39:35Z kwright $";
protected HashMap fields = new HashMap();
/** Construct an empty one.
*/
public BaseObject()
{
}
/** Clear the current object.
*/
public void clear()
{
fields.clear();
}
/** Get the list of fields that currently have
* values.
*@return an iterator of the current non-null fields.
*/
public Iterator listFields()
{
return fields.keySet().iterator();
}
/** Get a field by name.
*@param fieldName is the name of the field.
*@return the field value, or null if it is not set.
*/
public Object getValue(String fieldName)
{
return fields.get(fieldName);
}
/** Set a field by name.
*@param fieldName is the name of the field.
*@param fieldValue is the value, or null if the field should be removed.
*/
public void setValue(String fieldName, Object fieldValue)
{
if (fieldValue == null)
fields.remove(fieldName);
else
fields.put(fieldName,fieldValue);
}
}