// Copyright (C) 2014 The Android Open Source Project
//
// 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.gerrit.server.config;

import static com.google.gerrit.common.data.GlobalCapability.KILL_TASK;
import static com.google.gerrit.common.data.GlobalCapability.MAINTAIN_SERVER;

import com.google.gerrit.extensions.annotations.RequiresAnyCapability;
import com.google.gerrit.extensions.restapi.Response;
import com.google.gerrit.extensions.restapi.RestModifyView;
import com.google.gerrit.server.config.DeleteTask.Input;
import com.google.inject.Singleton;

@Singleton
@RequiresAnyCapability({KILL_TASK, MAINTAIN_SERVER})
public class DeleteTask implements RestModifyView<TaskResource, Input> {
  public static class Input {
  }

  @Override
  public Response<?> apply(TaskResource rsrc, Input input) {
    rsrc.getTask().cancel(true);
    return Response.none();
  }
}

@@ -793,16 +793,95 @@
 _SERVER;
+%0Aimport static javax.servlet.http.HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
 %0A%0Aimport
@@ -1116,16 +1116,68 @@
 .Input;%0A
+import com.google.gerrit.server.git.WorkQueue.Task;%0A
 import c
@@ -1458,62 +1458,215 @@
     
-rsrc.getTask().cancel(true);%0A    return Response.none(
+Task%3C?%3E task = rsrc.getTask();%0A    boolean taskDeleted = task.cancel(true);%0A    return taskDeleted ? Response.none() : Response.withStatusCode(%0A        SC_INTERNAL_SERVER_ERROR, %22Unable to kill task %22 + task
 );%0A 

Check for successful termination of tasks through delete REST API