/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.cassandra.io.util;
import java.io.IOException;
import org.apache.cassandra.db.Directories;
import org.apache.cassandra.io.FSWriteError;
import org.apache.cassandra.utils.WrappedRunnable;
public abstract class DiskAwareRunnable extends WrappedRunnable
{
protected Directories.DataDirectory getWriteDirectory(long writeSize)
{
Directories.DataDirectory directory = getDirectories().getWriteableLocation(writeSize);
if (directory == null)
throw new FSWriteError(new IOException("Insufficient disk space to write " + writeSize + " bytes"), "");
return directory;
}
/**
* Get sstable directories for the CF.
* @return Directories instance for the CF.
*/
protected abstract Directories getDirectories();
}