github.com/willyham/dosa@v2.3.1-0.20171024181418-1e446d37ee71+incompatible/remove_range.go (about) 1 // Copyright (c) 2017 Uber Technologies, Inc. 2 // 3 // Permission is hereby granted, free of charge, to any person obtaining a copy 4 // of this software and associated documentation files (the "Software"), to deal 5 // in the Software without restriction, including without limitation the rights 6 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 // copies of the Software, and to permit persons to whom the Software is 8 // furnished to do so, subject to the following conditions: 9 // 10 // The above copyright notice and this permission notice shall be included in 11 // all copies or substantial portions of the Software. 12 // 13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19 // THE SOFTWARE. 20 21 package dosa 22 23 // RemoveRangeOp is used to specify contraints on RemoveRange calls 24 type RemoveRangeOp struct { 25 conditioner 26 } 27 28 // NewRemoveRangeOp returns a new RangeOp instance 29 func NewRemoveRangeOp(object DomainObject) *RemoveRangeOp { 30 rop := &RemoveRangeOp{ 31 conditioner: conditioner{ 32 object: object, 33 conditions: map[string][]*Condition{}, 34 }, 35 } 36 return rop 37 } 38 39 // Eq is used to express an equality constraint for a remove range operation 40 func (r *RemoveRangeOp) Eq(fieldName string, value interface{}) *RemoveRangeOp { 41 r.appendOp(Eq, fieldName, value) 42 return r 43 } 44 45 // Gt is used to express an "greater than" constraint for a remove range operation 46 func (r *RemoveRangeOp) Gt(fieldName string, value interface{}) *RemoveRangeOp { 47 r.appendOp(Gt, fieldName, value) 48 return r 49 } 50 51 // GtOrEq is used to express an "greater than or equal" constraint for a 52 // remove range operation 53 func (r *RemoveRangeOp) GtOrEq(fieldName string, value interface{}) *RemoveRangeOp { 54 r.appendOp(GtOrEq, fieldName, value) 55 return r 56 } 57 58 // Lt is used to express a "less than" constraint for a remove range operation 59 func (r *RemoveRangeOp) Lt(fieldName string, value interface{}) *RemoveRangeOp { 60 r.appendOp(Lt, fieldName, value) 61 return r 62 } 63 64 // LtOrEq is used to express a "less than or equal" constraint for a 65 // remove range operation 66 func (r *RemoveRangeOp) LtOrEq(fieldName string, value interface{}) *RemoveRangeOp { 67 r.appendOp(LtOrEq, fieldName, value) 68 return r 69 }