Java tutorial
/* * Copyright 2017-present Facebook, Inc. * * 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.facebook.buck.distributed; import com.facebook.buck.core.rules.BuildRule; import com.google.common.collect.ImmutableSet; import com.google.common.util.concurrent.Futures; import com.google.common.util.concurrent.ListenableFuture; import java.util.LinkedList; import java.util.List; /** No-op implementation of {@link ArtifactCacheByBuildRule}. */ public class NoopArtifactCacheByBuildRule implements ArtifactCacheByBuildRule { @Override public boolean isLocalCachePresent() { return true; } @Override public boolean remoteContains(BuildRule rule) { return false; } @Override public boolean localContains(BuildRule rule) { return false; } @Override public ListenableFuture<BuildRule> uploadFromLocal(BuildRule rule) { return Futures.immediateFuture(rule); } @Override public void prewarmRemoteContainsForAllKnownRules() { } @Override public void prewarmRemoteContains(ImmutableSet<BuildRule> rules) { } @Override public List<ListenableFuture<BuildRule>> getAllUploadRuleFutures() { return new LinkedList<>(); } @Override public void close() { } }