f248089523
* Implement basic S3 notifications through queues Supports multiple queues and three basic queue types: 1. NilQueue -- messages don't get sent anywhere 2. LogQueue -- messages get logged 3. AmqpQueue -- messages are sent to an AMQP queue * api: Implement bucket notification. Supports two different queue types - AMQP - ElasticSearch. * Add support for redis
85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
// Copyright 2012-2015 Oliver Eilhard. All rights reserved.
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// Use of this source code is governed by a MIT-license.
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// See http://olivere.mit-license.org/license.txt for details.
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package elastic
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// TemplateQuery is a query that accepts a query template and a
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// map of key/value pairs to fill in template parameters.
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//
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// For more details, see
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// https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-template-query.html
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type TemplateQuery struct {
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template string
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templateType string
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vars map[string]interface{}
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}
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// NewTemplateQuery creates and initializes a new TemplateQuery.
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func NewTemplateQuery(name string) *TemplateQuery {
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return &TemplateQuery{
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template: name,
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vars: make(map[string]interface{}),
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}
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}
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// Template specifies the name of the template.
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func (q *TemplateQuery) Template(name string) *TemplateQuery {
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q.template = name
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return q
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}
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// TemplateType defines which kind of query we use. The values can be:
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// inline, indexed, or file. If undefined, inline is used.
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func (q *TemplateQuery) TemplateType(typ string) *TemplateQuery {
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q.templateType = typ
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return q
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}
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// Var sets a single parameter pair.
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func (q *TemplateQuery) Var(name string, value interface{}) *TemplateQuery {
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q.vars[name] = value
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return q
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}
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// Vars sets parameters for the template query.
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func (q *TemplateQuery) Vars(vars map[string]interface{}) *TemplateQuery {
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q.vars = vars
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return q
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}
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// Source returns the JSON serializable content for the search.
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func (q *TemplateQuery) Source() (interface{}, error) {
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// {
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// "template" : {
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// "query" : {"match_{{template}}": {}},
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// "params" : {
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// "template": "all"
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// }
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// }
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// }
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query := make(map[string]interface{})
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tmpl := make(map[string]interface{})
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query["template"] = tmpl
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// TODO(oe): Implementation differs from online documentation at http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/query-dsl-template-query.html
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var fieldname string
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switch q.templateType {
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case "file": // file
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fieldname = "file"
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case "indexed", "id": // indexed
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fieldname = "id"
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default: // inline
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fieldname = "query"
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}
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tmpl[fieldname] = q.template
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if len(q.vars) > 0 {
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tmpl["params"] = q.vars
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}
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return query, nil
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}
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