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