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// Copyright 2016 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.remote;
import static com.google.common.base.Preconditions.checkNotNull;
import com.google.auth.Credentials;
import com.google.devtools.build.lib.remote.blobstore.OnDiskBlobStore;
import com.google.devtools.build.lib.remote.blobstore.SimpleBlobStore;
import com.google.devtools.build.lib.remote.blobstore.http.HttpBlobStore;
import com.google.devtools.build.lib.vfs.Path;
import com.google.devtools.build.lib.vfs.PathFragment;
import java.io.IOException;
import java.net.URI;
import java.util.concurrent.TimeUnit;
import javax.annotation.Nullable;
/**
* A factory class for providing a {@link SimpleBlobStore} to be used with {@link
* SimpleBlobStoreActionCache}. Currently implemented with REST or local.
*/
public final class SimpleBlobStoreFactory {
private SimpleBlobStoreFactory() {}
public static SimpleBlobStore createRest(RemoteOptions options, Credentials creds) {
try {
return new HttpBlobStore(
URI.create(options.remoteHttpCache),
(int) TimeUnit.SECONDS.toMillis(options.remoteTimeout),
options.remoteMaxConnections,
creds);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public static SimpleBlobStore createDiskCache(Path workingDirectory, PathFragment diskCachePath)
throws IOException {
Path cacheDir = workingDirectory.getRelative(checkNotNull(diskCachePath));
if (!cacheDir.exists()) {
cacheDir.createDirectoryAndParents();
}
return new OnDiskBlobStore(cacheDir);
}
public static SimpleBlobStore create(
RemoteOptions options, @Nullable Credentials creds, @Nullable Path workingDirectory)
throws IOException {
if (isRestUrlOptions(options)) {
return createRest(options, creds);
}
if (workingDirectory != null && isDiskCache(options)) {
return createDiskCache(workingDirectory, options.diskCache);
}
throw new IllegalArgumentException(
"Unrecognized concurrent map RemoteOptions: must specify "
+ "either Rest URL, or local cache options.");
}
public static boolean isRemoteCacheOptions(RemoteOptions options) {
return isRestUrlOptions(options) || isDiskCache(options);
}
public static boolean isDiskCache(RemoteOptions options) {
return options.diskCache != null;
}
static boolean isRestUrlOptions(RemoteOptions options) {
return options.remoteHttpCache != null;
}
}
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