org.neo4j.test.limited.LimitedFileChannel Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of it-test-support Show documentation

Neo4j community edition integration tests support.

There is a newer version: 5.25.1

/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j 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 .
 */
package org.neo4j.test.limited;

import java.io.IOException;
import java.nio.ByteBuffer;
import org.neo4j.io.fs.DelegatingStoreChannel;
import org.neo4j.io.fs.StoreChannel;

public class LimitedFileChannel extends DelegatingStoreChannel implements StoreChannel {
    private final LimitedFilesystemAbstraction fs;

    public LimitedFileChannel(StoreChannel inner, LimitedFilesystemAbstraction limitedFilesystemAbstraction) {
        super(inner);
        fs = limitedFilesystemAbstraction;
    }

    @Override
    public int write(ByteBuffer byteBuffer) throws IOException {
        fs.ensureHasSpace();
        return super.write(byteBuffer);
    }

    @Override
    public long write(ByteBuffer[] byteBuffers, int offset, int length) throws IOException {
        fs.ensureHasSpace();
        return super.write(byteBuffers, offset, length);
    }

    @Override
    public long write(ByteBuffer[] srcs) throws IOException {
        fs.ensureHasSpace();
        return super.write(srcs);
    }

    @Override
    public LimitedFileChannel position(long newPosition) throws IOException {
        super.position(newPosition);
        return this;
    }

    @Override
    public LimitedFileChannel truncate(long size) throws IOException {
        super.truncate(size);
        return this;
    }

    @Override
    public void force(boolean metaData) throws IOException {
        fs.ensureHasSpace();
        super.force(metaData);
    }

    @Override
    public void writeAll(ByteBuffer src, long position) throws IOException {
        fs.ensureHasSpace();
        super.writeAll(src, position);
    }

    @Override
    public void writeAll(ByteBuffer src) throws IOException {
        fs.ensureHasSpace();
        super.writeAll(src);
    }
}