/*
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * 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.rules.modern;

import com.facebook.buck.core.exceptions.HumanReadableException;

/**
 * A {@link CustomFieldSerialization} that will disable remote execution for the referencing rule if
 * the field holds a false value.
 */
public class RemoteExecutionEnabled implements CustomFieldSerialization<Boolean> {
  @Override
  public <E extends Exception> void serialize(Boolean value, ValueVisitor<E> serializer) throws E {
    if (!value) {
      // RemoteExecution is currently disabled for anything that fails to serialize. Throwing an
      // exception in serialization is a simple way to disable it.
      throw new DisableRemoteExecutionException();
    }
  }

  @Override
  public <E extends Exception> Boolean deserialize(ValueCreator<E> deserializer) throws E {
    return true;
  }

  private class DisableRemoteExecutionException extends HumanReadableException {
    public DisableRemoteExecutionException() {
      super("Remote Execution is disabled for this object.");
    }
  }
}
