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DelegatingPageCache.java
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DelegatingPageCache.java
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/*
* Copyright (c) 2002-2018 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.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 <http://www.gnu.org/licenses/>.
*/
package org.neo4j.io.pagecache;
import java.io.File;
import java.io.IOException;
import java.nio.file.OpenOption;
import java.util.List;
import java.util.Optional;
import java.util.stream.Stream;
public class DelegatingPageCache implements PageCache
{
private final PageCache delegate;
public DelegatingPageCache( PageCache delegate )
{
this.delegate = delegate;
}
public PagedFile map( File file, int pageSize, OpenOption... openOptions ) throws IOException
{
return delegate.map( file, pageSize, openOptions );
}
@Override
public Optional<PagedFile> getExistingMapping( File file ) throws IOException
{
return delegate.getExistingMapping( file );
}
@Override
public List<PagedFile> listExistingMappings() throws IOException
{
return delegate.listExistingMappings();
}
@Override
public int pageSize()
{
return delegate.pageSize();
}
public void close()
{
delegate.close();
}
public int maxCachedPages()
{
return delegate.maxCachedPages();
}
@Override
public Stream<FileHandle> streamFilesRecursive( File directory ) throws IOException
{
return delegate.streamFilesRecursive( directory );
}
public void flushAndForce( IOLimiter limiter ) throws IOException
{
delegate.flushAndForce( limiter );
}
public void flushAndForce() throws IOException
{
delegate.flushAndForce();
}
}