FileSponge/src/main/lombok/org/warp/filesponge/extra/api/FileURITranslator.java

45 lines
1.3 KiB
Java

/*
* FileSponge
* Copyright (C) 2020 Andrea Cavalli
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package org.warp.filesponge.extra.api;
import java.util.Optional;
import org.warp.filesponge.value.AlreadyAssignedException;
import org.warp.filesponge.value.FileURI;
/**
* Translate File URIs to "fileId" and back
*/
public interface FileURITranslator<FURI extends FileURI, FID> {
Optional<FURI> getURI(FID fileId);
Optional<FID> getFileId(FURI fileURI);
/**
* @throws AlreadyAssignedException Throw if the uri has another fileId assigned
*/
void setFileId(FURI fileURI, FID fileId) throws AlreadyAssignedException;
Optional<FURI> delete(FID fileId);
Optional<FID> delete(FURI fileURI);
void clear();
}