BlueMap/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/storage/SingleItemStorage.java

65 lines
2.3 KiB
Java

/*
* This file is part of BlueMap, licensed under the MIT License (MIT).
*
* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package de.bluecolored.bluemap.core.storage;
import de.bluecolored.bluemap.core.storage.compression.CompressedInputStream;
import org.jetbrains.annotations.Nullable;
import java.io.IOException;
import java.io.OutputStream;
public interface SingleItemStorage {
/**
* Returns an {@link OutputStream} that can be used to write the item-data of this storage
* (overwriting any existing item).
* The OutputStream is expected to be closed by the caller of this method.
*/
OutputStream write() throws IOException;
/**
* Returns a {@link CompressedInputStream} that can be used to read the item-data from this storage
* or null if there is nothing stored.
* The CompressedInputStream is expected to be closed by the caller of this method.
*/
@Nullable CompressedInputStream read() throws IOException;
/**
* Deletes the item from this storage
*/
void delete() throws IOException;
/**
* Tests if this item of this storage exists
*/
boolean exists() throws IOException;
/**
* Checks if this storage is closed
*/
boolean isClosed();
}