// 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.skyframe; import com.google.common.collect.ImmutableList; import com.google.devtools.build.lib.vfs.RootedPath; /** Exception indicating that a cycle was found in the filesystem. */ class FileSymlinkCycleException extends FileSymlinkException { private final ImmutableList<RootedPath> pathToCycle; private final ImmutableList<RootedPath> cycle; FileSymlinkCycleException(ImmutableList<RootedPath> pathToCycle, ImmutableList<RootedPath> cycle) { // The cycle itself has already been reported by FileSymlinkCycleUniquenessValue, but we still // want to have a readable #getMessage. super("Symlink cycle"); this.pathToCycle = pathToCycle; this.cycle = cycle; } /** * The symlink path to the symlink cycle. For example, suppose 'a' -> 'b' -> 'c' -> 'd' -> 'c'. * The path to the cycle is 'a', 'b'. */ ImmutableList<RootedPath> getPathToCycle() { return pathToCycle; } /** * The symlink cycle. For example, suppose 'a' -> 'b' -> 'c' -> 'd' -> 'c'. * The cycle is 'c', 'd'. */ ImmutableList<RootedPath> getCycle() { return cycle; } }