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// Copyright 2014 The Bazel Authors. All rights reserved.
//
// Licensed 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 com.google.devtools.build.lib.vfs.inmemoryfs;
import com.google.devtools.build.lib.vfs.PathFragment;
/**
* A file status that signifies a path has left this file system's
* scope. All methods beside {@link #outOfScope} and {@link #getEscapingPath}
* are disabled.
*/
final class OutOfScopeFileStatus extends InMemoryContentInfo {
/**
* Contains the requested path resolved up to the point where it
* first escapes the scope. See
* {@link ScopeEscapableStatus#getEscapingPath} for an example.
*/
private final PathFragment escapingPath;
public OutOfScopeFileStatus(PathFragment escapingPath) {
super(null, false);
this.escapingPath = escapingPath;
}
@Override
public boolean outOfScope() {
return true;
}
@Override
public PathFragment getEscapingPath() {
return escapingPath;
}
private static UnsupportedOperationException failure() {
return new UnsupportedOperationException();
}
@Override public boolean isDirectory() { throw failure(); }
@Override public boolean isSymbolicLink() { throw failure(); }
@Override public boolean isFile() { throw failure(); }
@Override public long getSize() { throw failure(); }
@Override protected void markModificationTime() { throw failure(); }
@Override public synchronized long getLastModifiedTime() { throw failure(); }
@Override void setLastModifiedTime(long newTime) { throw failure(); }
@Override public synchronized long getLastChangeTime() { throw failure(); }
@Override boolean isReadable() { throw failure(); }
@Override void setReadable(boolean readable) { throw failure(); }
@Override void setWritable(boolean writable) { throw failure(); }
@Override boolean isWritable() { throw failure(); }
@Override void setExecutable(boolean executable) { throw failure(); }
@Override boolean isExecutable() { throw failure(); }
}
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