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45 lines
2.0 KiB
45 lines
2.0 KiB
9 years ago
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/*
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* Minio Cloud Storage, (C) 2015 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package tasker
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// Command is number that uniquely identifies a command function.
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type Command uint8
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// Enumerate the task commands.
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const (
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// CmdNOOP does nothing. It is a default placeholder. Uninitialized variable of this type will point to NOOP command by default.
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CmdNOOP Command = iota
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// CmdSignalEnd gracefully ends current task. Never ending tasks (loop over) or Batched jobs will not take the next iteration,
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// but may finish the current state to completion.
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CmdSignalEnd
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// CmdSignalAbort ends the current task at hand immediately. It may still cleanup dangling issues quickly.
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CmdSignalAbort
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// CmdSignalSuspend suspends the current task.
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CmdSignalSuspend
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// CmdSignalResume resumes a suspended task.
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CmdSignalResume
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// CmdPriorityLow is optimized to conserve resources and complete the task at a slow pace. This option is ideal for batch processed tasks.
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CmdPriorityLow
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// CmdPriorityMedium is the default priority. It is a balanced option between resources and speed.
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CmdPriorityMedium
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// CmdPriorityHigh is optimized for speed. This option is ideal for short lived tasks (like meta-data related) that are latency sensitive. Use this option wisely.
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CmdPriorityHigh
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// CmdPrioritySuper is an exclusive priority. All tasks with priority lower than Super (including High) are paused
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// temporarily until this task completes. Anytime you consider using this priority level, please seek for approval.
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CmdPrioritySuper
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)
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