herddb.index.blink.BLinkIndexDataStorage Maven / Gradle / Ivy
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/*
Licensed to Diennea S.r.l. under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. Diennea S.r.l. 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 herddb.index.blink;
import java.io.IOException;
import java.util.Map;
/**
* @author diego.salvi
*/
public interface BLinkIndexDataStorage {
long NEW_PAGE = -1;
/**
* Load an internal node data page.
*/
void loadNodePage(long pageId, Map data) throws IOException;
/**
* Load a leaf node data page.
*/
void loadLeafPage(long pageId, Map data) throws IOException;
/**
* Create a new internal node page for given data.
*/
long createNodePage(Map data) throws IOException;
/**
* Create a new leaf node page for given data.
*/
long createLeafPage(Map data) throws IOException;
/**
* Overwrite an existing internal node page with given data.
*/
void overwriteNodePage(long pageId, Map data) throws IOException;
/**
* Overwrite an existing leaf node page with given data.
*/
void overwriteLeafPage(long pageId, Map data) throws IOException;
}