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

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

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/*
 * Copyright 2015-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.collect.Iterables;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;

import javax.annotation.Nullable;

public class DummyArtifactCache extends NoopArtifactCache {

    @Nullable
    public RuleKey storeKey;

    public void reset() {
        storeKey = null;
    }

    @Override
    public CacheResult fetch(RuleKey ruleKey, LazyPath output) {
        return ruleKey.equals(storeKey) ? CacheResult.hit("cache") : CacheResult.miss();
    }

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

    @Override
    public boolean isStoreSupported() {
        return true;
    }

}