43 lines
1.7 KiB
Java
43 lines
1.7 KiB
Java
// Copyright 2016 The Bazel Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.package com.google.devtools.build.lib.flags;
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package com.google.devtools.common.options;
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import com.google.common.collect.ImmutableSet;
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/** Cache mapping a command to the names of all commands it inherits from, including itself. */
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@FunctionalInterface
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public interface CommandNameCache {
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/** Class that exists only to expose a static instance variable that can be set and retrieved. */
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class CommandNameCacheInstance implements CommandNameCache {
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public static final CommandNameCacheInstance INSTANCE = new CommandNameCacheInstance();
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private CommandNameCache delegate;
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private CommandNameCacheInstance() {}
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/** Only for use by {@code BlazeRuntime}. */
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public void setCommandNameCache(CommandNameCache cache) {
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// Can be set multiple times in tests.
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this.delegate = cache;
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}
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@Override
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public ImmutableSet<String> get(String commandName) {
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return delegate.get(commandName);
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}
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}
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/** Returns the names of all commands {@code commandName} inherits from, including itself. */
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ImmutableSet<String> get(String commandName);
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}
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