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/*
* 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.commons.vfs2.cache;
import org.apache.commons.vfs2.FileName;
import org.apache.commons.vfs2.FileSystem;
/**
* Key for various cache implementations.
*
* It compares the fileSystem (by hashCode) and the filename.
*/
class FileSystemAndNameKey implements Comparable {
/** The FileSystem */
private final FileSystem fileSystem;
/** The FileName */
private final FileName fileName;
/** hashcode to identify this object */
private final int fileSystemId;
FileSystemAndNameKey(final FileSystem fileSystem, final FileName fileName) {
this.fileSystem = fileSystem;
this.fileSystemId = System.identityHashCode(fileSystem);
this.fileName = fileName;
}
@Override
public int compareTo(final FileSystemAndNameKey other) {
if (fileSystemId < other.fileSystemId) {
return -1;
}
if (fileSystemId > other.fileSystemId) {
return 1;
}
return fileName.compareTo(other.fileName);
}
FileSystem getFileSystem() {
return fileSystem;
}
FileName getFileName() {
return fileName;
}
}