github.com/matrixorigin/matrixone@v1.2.0/pkg/vm/engine/tae/blockio/option.go (about)

     1  // Copyright 2021 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package blockio
    16  
    17  type Option func(*IoPipeline)
    18  
    19  func WithFetchParallism(num int) Option {
    20  	return func(p *IoPipeline) {
    21  		p.options.fetchParallism = num
    22  	}
    23  }
    24  
    25  func WithPrefetchParallism(num int) Option {
    26  	return func(p *IoPipeline) {
    27  		p.options.prefetchParallism = num
    28  	}
    29  }
    30  
    31  func WithJobFactory(factory IOJobFactory) Option {
    32  	return func(p *IoPipeline) {
    33  		p.jobFactory = factory
    34  	}
    35  }