blob: aa716a460b19ee19b09de32ebf3e6bba563f1c63 [file] [log] [blame]
/*
* 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.ignite.internal.processors.cache.persistence.tree.reuse;
/**
* Reuse bag for free index pages.
*/
public interface ReuseBag {
/**
* @param pageId Free page ID for reuse.
*/
public void addFreePage(long pageId);
/**
* @return Free page ID for reuse or {@code 0} if empty.
*/
public long pollFreePage();
/**
* @return {@code true} if no contained page IDs for reuse.
*/
public boolean isEmpty();
}