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author | Ralph Caraveo III <deckarep@gmail.com> | 2018-07-16 15:54:19 +0800 |
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committer | Péter Szilágyi <peterke@gmail.com> | 2018-07-16 15:54:19 +0800 |
commit | 5d30be412b0f9181cb007c8893ee583ee4319116 (patch) | |
tree | 4593b259665d22c552cc869f08317305119a99e0 /vendor/github.com/deckarep/golang-set/threadsafe.go | |
parent | eb7f901289dce3f9fe3341da8c0b938ea839f79d (diff) | |
download | go-tangerine-5d30be412b0f9181cb007c8893ee583ee4319116.tar.gz go-tangerine-5d30be412b0f9181cb007c8893ee583ee4319116.tar.zst go-tangerine-5d30be412b0f9181cb007c8893ee583ee4319116.zip |
all: switch out defunct set library to different one (#16873)
* keystore, ethash, eth, miner, rpc, whisperv6: tech debt with now defunct set.
* whisperv5: swap out gopkg.in/fatih/set.v0 with supported set
Diffstat (limited to 'vendor/github.com/deckarep/golang-set/threadsafe.go')
-rw-r--r-- | vendor/github.com/deckarep/golang-set/threadsafe.go | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/vendor/github.com/deckarep/golang-set/threadsafe.go b/vendor/github.com/deckarep/golang-set/threadsafe.go new file mode 100644 index 000000000..002e06af1 --- /dev/null +++ b/vendor/github.com/deckarep/golang-set/threadsafe.go @@ -0,0 +1,277 @@ +/* +Open Source Initiative OSI - The MIT License (MIT):Licensing + +The MIT License (MIT) +Copyright (c) 2013 Ralph Caraveo (deckarep@gmail.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +of the Software, and to permit persons to whom the Software is furnished to do +so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ + +package mapset + +import "sync" + +type threadSafeSet struct { + s threadUnsafeSet + sync.RWMutex +} + +func newThreadSafeSet() threadSafeSet { + return threadSafeSet{s: newThreadUnsafeSet()} +} + +func (set *threadSafeSet) Add(i interface{}) bool { + set.Lock() + ret := set.s.Add(i) + set.Unlock() + return ret +} + +func (set *threadSafeSet) Contains(i ...interface{}) bool { + set.RLock() + ret := set.s.Contains(i...) + set.RUnlock() + return ret +} + +func (set *threadSafeSet) IsSubset(other Set) bool { + o := other.(*threadSafeSet) + + set.RLock() + o.RLock() + + ret := set.s.IsSubset(&o.s) + set.RUnlock() + o.RUnlock() + return ret +} + +func (set *threadSafeSet) IsProperSubset(other Set) bool { + o := other.(*threadSafeSet) + + set.RLock() + defer set.RUnlock() + o.RLock() + defer o.RUnlock() + + return set.s.IsProperSubset(&o.s) +} + +func (set *threadSafeSet) IsSuperset(other Set) bool { + return other.IsSubset(set) +} + +func (set *threadSafeSet) IsProperSuperset(other Set) bool { + return other.IsProperSubset(set) +} + +func (set *threadSafeSet) Union(other Set) Set { + o := other.(*threadSafeSet) + + set.RLock() + o.RLock() + + unsafeUnion := set.s.Union(&o.s).(*threadUnsafeSet) + ret := &threadSafeSet{s: *unsafeUnion} + set.RUnlock() + o.RUnlock() + return ret +} + +func (set *threadSafeSet) Intersect(other Set) Set { + o := other.(*threadSafeSet) + + set.RLock() + o.RLock() + + unsafeIntersection := set.s.Intersect(&o.s).(*threadUnsafeSet) + ret := &threadSafeSet{s: *unsafeIntersection} + set.RUnlock() + o.RUnlock() + return ret +} + +func (set *threadSafeSet) Difference(other Set) Set { + o := other.(*threadSafeSet) + + set.RLock() + o.RLock() + + unsafeDifference := set.s.Difference(&o.s).(*threadUnsafeSet) + ret := &threadSafeSet{s: *unsafeDifference} + set.RUnlock() + o.RUnlock() + return ret +} + +func (set *threadSafeSet) SymmetricDifference(other Set) Set { + o := other.(*threadSafeSet) + + set.RLock() + o.RLock() + + unsafeDifference := set.s.SymmetricDifference(&o.s).(*threadUnsafeSet) + ret := &threadSafeSet{s: *unsafeDifference} + set.RUnlock() + o.RUnlock() + return ret +} + +func (set *threadSafeSet) Clear() { + set.Lock() + set.s = newThreadUnsafeSet() + set.Unlock() +} + +func (set *threadSafeSet) Remove(i interface{}) { + set.Lock() + delete(set.s, i) + set.Unlock() +} + +func (set *threadSafeSet) Cardinality() int { + set.RLock() + defer set.RUnlock() + return len(set.s) +} + +func (set *threadSafeSet) Each(cb func(interface{}) bool) { + set.RLock() + for elem := range set.s { + if cb(elem) { + break + } + } + set.RUnlock() +} + +func (set *threadSafeSet) Iter() <-chan interface{} { + ch := make(chan interface{}) + go func() { + set.RLock() + + for elem := range set.s { + ch <- elem + } + close(ch) + set.RUnlock() + }() + + return ch +} + +func (set *threadSafeSet) Iterator() *Iterator { + iterator, ch, stopCh := newIterator() + + go func() { + set.RLock() + L: + for elem := range set.s { + select { + case <-stopCh: + break L + case ch <- elem: + } + } + close(ch) + set.RUnlock() + }() + + return iterator +} + +func (set *threadSafeSet) Equal(other Set) bool { + o := other.(*threadSafeSet) + + set.RLock() + o.RLock() + + ret := set.s.Equal(&o.s) + set.RUnlock() + o.RUnlock() + return ret +} + +func (set *threadSafeSet) Clone() Set { + set.RLock() + + unsafeClone := set.s.Clone().(*threadUnsafeSet) + ret := &threadSafeSet{s: *unsafeClone} + set.RUnlock() + return ret +} + +func (set *threadSafeSet) String() string { + set.RLock() + ret := set.s.String() + set.RUnlock() + return ret +} + +func (set *threadSafeSet) PowerSet() Set { + set.RLock() + ret := set.s.PowerSet() + set.RUnlock() + return ret +} + +func (set *threadSafeSet) Pop() interface{} { + set.Lock() + defer set.Unlock() + return set.s.Pop() +} + +func (set *threadSafeSet) CartesianProduct(other Set) Set { + o := other.(*threadSafeSet) + + set.RLock() + o.RLock() + + unsafeCartProduct := set.s.CartesianProduct(&o.s).(*threadUnsafeSet) + ret := &threadSafeSet{s: *unsafeCartProduct} + set.RUnlock() + o.RUnlock() + return ret +} + +func (set *threadSafeSet) ToSlice() []interface{} { + keys := make([]interface{}, 0, set.Cardinality()) + set.RLock() + for elem := range set.s { + keys = append(keys, elem) + } + set.RUnlock() + return keys +} + +func (set *threadSafeSet) MarshalJSON() ([]byte, error) { + set.RLock() + b, err := set.s.MarshalJSON() + set.RUnlock() + + return b, err +} + +func (set *threadSafeSet) UnmarshalJSON(p []byte) error { + set.RLock() + err := set.s.UnmarshalJSON(p) + set.RUnlock() + + return err +} |