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// Copyright 2014 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.server;
import com.google.devtools.build.lib.runtime.BlazeCommandDispatcher;
import com.google.devtools.build.lib.runtime.proto.InvocationPolicyOuterClass.InvocationPolicy;
import com.google.devtools.build.lib.util.Pair;
import com.google.devtools.build.lib.util.io.OutErr;
import java.util.List;
import java.util.Optional;
/**
* The {@link RPCServer} calls an arbitrary command implementing this
* interface.
*/
public interface ServerCommand {
/**
* Executes the request, writing any output or error messages into err. Returns 0 on success; any
* other value or exception indicates an error.
*
* @param startupOptionsTaggedWithBazelRc List of startup options in Pair(bazelRc, option) form.
* The empty string bazelRc is interpreted as the command line, and option should be in
* --[no]flag or --flag=value form. If we don't have access to this information (--batch),
* leave this parameter as Optional.empty().
*/
int exec(
InvocationPolicy policy,
List<String> args,
OutErr outErr,
BlazeCommandDispatcher.LockingMode lockingMode,
String clientDescription,
long firstContactTime,
Optional<List<Pair<String, String>>> startupOptionsTaggedWithBazelRc)
throws InterruptedException;
/**
* Whether the server needs to be shut down.
*/
boolean shutdown();
}
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