Skip to content
Snippets Groups Projects
Select Git revision
  • f5bc9ed02c6ad5eb0fe7c78a283b39c3a8bda22e
  • master default protected
  • 3.0
  • develop
  • revert-2069-tripleVersion
  • 3.1
  • rest-protocol
  • feat/remoting_rocketmq
  • dapr-support
  • 1.5
  • 1.4
  • 1.3
  • 1.2
  • 1.1
  • v3.0.3-rc2
  • v3.0.3-rc1
  • v3.0.2
  • v1.5.8
  • v1.5.9-rc1
  • v3.0.1
  • v1.5.8-rc1
  • v3.0.0
  • v3.0.0-rc4-1
  • v3.0.0-rc4
  • v3.0.0-rc3
  • v1.5.7
  • v1.5.7-rc2
  • v3.0.0-rc2
  • remove
  • v1.5.7-rc1
  • v3.0.0-rc1
  • v1.5.7-rc1-tmp
  • 1.5.6
  • v1.5.6
34 results

impl.go

Blame
  • bitmap_util.go 1.44 KiB
    /*
     * Licensed to the Apache Software Foundation (ASF) under one or more
     * contributor license agreements.  See the NOTICE file distributed with
     * this work for additional information regarding copyright ownership.
     * The ASF licenses this file to You 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 utils
    
    import (
    	"github.com/RoaringBitmap/roaring"
    )
    
    import (
    	"github.com/apache/dubbo-go/protocol"
    )
    
    var EmptyAddr = roaring.NewBitmap()
    
    func JoinIfNotEqual(left *roaring.Bitmap, right *roaring.Bitmap) *roaring.Bitmap {
    	if !left.Equals(right) {
    		left = left.Clone()
    		left.And(right)
    	}
    	return left
    }
    
    func FallbackIfJoinToEmpty(left *roaring.Bitmap, right *roaring.Bitmap) *roaring.Bitmap {
    	ret := JoinIfNotEqual(left, right)
    	if ret == nil || ret.IsEmpty() {
    		return right
    	} else {
    		return ret
    	}
    }
    
    func ToBitmap(invokers []protocol.Invoker) *roaring.Bitmap {
    	bitmap := roaring.NewBitmap()
    	bitmap.AddRange(0, uint64(len(invokers)))
    	return bitmap
    }