f225d484b3
many bugs fixed in existing search phrase query updated to support gaps in term sequence new query types all,none,match,phrase match and new query syntax search, like google search: +/-(optional field qualifier:)<term or quoted phrase>
91 lines
2.6 KiB
Go
91 lines
2.6 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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"encoding/json"
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"fmt"
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"github.com/couchbaselabs/bleve/document"
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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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mapping document.Mapping
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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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func (q *TermBooleanQuery) UnmarshalJSON(data []byte) error {
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tmp := struct {
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Must json.RawMessage `json:"must,omitempty"`
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MustNot json.RawMessage `json:"must_not,omitempty"`
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Should json.RawMessage `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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err := json.Unmarshal(data, &tmp)
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if err != nil {
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return err
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}
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q.BoostVal = tmp.BoostVal
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q.Explain = tmp.Explain
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var must TermConjunctionQuery
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if len(tmp.Must) > 0 {
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must.mapping = q.mapping
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err = json.Unmarshal(tmp.Must, &must)
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if err != nil {
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return err
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}
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q.Must = &must
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}
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var mustNot TermDisjunctionQuery
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if len(tmp.MustNot) > 0 {
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mustNot.mapping = q.mapping
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err = json.Unmarshal(tmp.MustNot, &mustNot)
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if err != nil {
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return err
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}
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q.MustNot = &mustNot
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}
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var should TermDisjunctionQuery
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if len(tmp.Should) > 0 {
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must.mapping = q.mapping
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err = json.Unmarshal(tmp.Should, &should)
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if err != nil {
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return err
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}
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q.Should = &should
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}
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return nil
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}
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