com.facebook.buck.artifact_cache.NoopArtifactCache.java Source code

Introduction

Here is the source code for com.facebook.buck.artifact_cache.NoopArtifactCache.java

Source

/*
 * Copyright 2012-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.artifact_cache;

import com.facebook.buck.io.BorrowablePath;
import com.facebook.buck.io.LazyPath;
import com.facebook.buck.rules.RuleKey;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;

public class NoopArtifactCache implements ArtifactCache {

    @Override
    public CacheResult fetch(RuleKey ruleKey, LazyPath output) {
        // Do nothing.
        return CacheResult.miss();
    }

    @Override
    public ListenableFuture<Void> store(ArtifactInfo info, BorrowablePath output) {
        return Futures.immediateFuture(null);
    }

    /** @return {@code false}: storing artifacts is never supported by this class. */
    @Override
    public boolean isStoreSupported() {
        return false;
    }

    @Override
    public void close() {
        // Nothing to complete - do nothing.
    }
}