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40 lines
1.5 KiB
Go
40 lines
1.5 KiB
Go
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// Copyright (c) 2020 Couchbase, 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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package index
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// Optimizable represents an optional interface that implementable by
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// optimizable resources (e.g., TermFieldReaders, Searchers). These
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// optimizable resources are provided the same OptimizableContext
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// instance, so that they can coordinate via dynamic interface
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// casting.
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type Optimizable interface {
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Optimize(kind string, octx OptimizableContext) (OptimizableContext, error)
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}
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// Represents a result of optimization -- see the Finish() method.
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type Optimized interface{}
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type OptimizableContext interface {
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// Once all the optimzable resources have been provided the same
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// OptimizableContext instance, the optimization preparations are
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// finished or completed via the Finish() method.
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//
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// Depending on the optimization being performed, the Finish()
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// method might return a non-nil Optimized instance. For example,
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// the Optimized instance might represent an optimized
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// TermFieldReader instance.
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Finish() (Optimized, error)
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}
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