39 lines
1.2 KiB
Go
39 lines
1.2 KiB
Go
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// Copyright 2015 PingCAP, 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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// See the License for the specific language governing permissions and
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// limitations under the License.
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package context
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import (
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"fmt"
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"github.com/pingcap/tidb/kv"
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)
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// Context is an interface for transaction and executive args environment.
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type Context interface {
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// GetTxn gets a transaction for futher execution.
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GetTxn(forceNew bool) (kv.Transaction, error)
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// FinishTxn commits or rolls back the current transaction.
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FinishTxn(rollback bool) error
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// SetValue saves a value associated with this context for key.
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SetValue(key fmt.Stringer, value interface{})
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// Value returns the value associated with this context for key.
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Value(key fmt.Stringer) interface{}
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// ClearValue clears the value associated with this context for key.
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ClearValue(key fmt.Stringer)
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}
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