/*
* Copyright 2004-2009 the original author or authors.
*
* 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.compass.core.spi;
import org.compass.core.Resource;
/**
* A multiple resource implementation. Exposes {@link Resource} operations as well, which
* are performed against the current {@link Resource}.
*
* @author kimchy
*/
public interface MultiResource extends InternalResource {
/**
* Returns the number of {@link Resource}s.
*/
int size();
/**
* Adds another {@link Resource}, and moves the current resource to the newly created one.
*/
void addResource();
/**
* Returns the curren {@link Resource}.
*/
Resource currentResource();
/**
* Returns the {@link Resource} at the given postion.
*/
Resource resource(int i);
/**
* Clears all the saves resources.
*/
void clear();
}