42 lines
1.5 KiB
Go
42 lines
1.5 KiB
Go
// Copyright (c) 2014 Couchbase, Inc.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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// except in compliance with the License. You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed under the
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// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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package search
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import (
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"fmt"
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"github.com/couchbaselabs/bleve/index"
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)
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type TermBooleanQuery struct {
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Must *TermConjunctionQuery `json:"must,omitempty"`
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MustNot *TermDisjunctionQuery `json:"must_not,omitempty"`
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Should *TermDisjunctionQuery `json:"should,omitempty"`
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BoostVal float64 `json:"boost,omitempty"`
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Explain bool `json:"explain,omitempty"`
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}
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func (q *TermBooleanQuery) Boost() float64 {
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return q.BoostVal
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}
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func (q *TermBooleanQuery) Searcher(index index.Index) (Searcher, error) {
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return NewTermBooleanSearcher(index, q)
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}
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func (q *TermBooleanQuery) Validate() error {
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if q.Must == nil && q.Should == nil {
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return fmt.Errorf("Boolean query must contain at least one MUST or SHOULD clause")
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}
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if q.Must != nil && len(q.Must.Terms) == 0 && q.Should != nil && len(q.Should.Terms) == 0 {
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return fmt.Errorf("Boolean query must contain at least one MUST or SHOULD clause")
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}
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return nil
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}
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