Query » History » Version 15
Alison Craig, 03/04/2015 01:21 PM
| 1 | 1 | Alison Craig | Query |
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| 2 | ===== |
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| 3 | 8 | Alison Craig | The Query parameter are named as |
| 4 | 9 | Alison Craig | |
| 5 | /<prefix>/query/<query-parameters> |
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| 6 | |||
| 7 | 15 | Alison Craig | with a response of |
| 8 | 6 | Alison Craig | |
| 9 | 15 | Alison Craig | /<prefix>/query/<query-parameters>/output |
| 10 | |||
| 11 | |||
| 12 | 11 | Alison Craig | For the Query Protocol, the user will send query parameters as a JSON list, with the format: <tt>{[field1]=[search1],[field2]=[search2],?=[search3]</tt>} where <tt>field1</tt> and <tt>field2</tt> are Name components, <tt>?</tt> indicates an autocomplete search, and <tt>search*</tt> is what to use for searching on. <i>(See [[Schema]])</i> |
| 13 | 1 | Alison Craig | |
| 14 | In response, the Query backend of the Catalog will make Data available that includes a list of names that match the query. |
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| 15 | |||
| 16 | ---- |
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| 17 | |||
| 18 | 13 | Alison Craig | <b>JSON Schemas</b> |
| 19 | 14 | Alison Craig | |
| 20 | 13 | Alison Craig | <b><i>JSON Query</i></b> |
| 21 | 15 | Alison Craig | The query name is formatted JSON stored in the query-parameters of the Interest: |
| 22 | 1 | Alison Craig | |
| 23 | 15 | Alison Craig | /<prefix>/query/<query-parameters> |
| 24 | |||
| 25 | 13 | Alison Craig | ``` |
| 26 | 1 | Alison Craig | |
| 27 | 13 | Alison Craig | { |
| 28 | "$schema": "http://json-schema.org/draft-04/schema#", |
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| 29 | "title": "Catalog Query", |
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| 30 | "type": "array", |
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| 31 | "items": { |
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| 32 | "title": "QueryField", |
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| 33 | "type": "object", |
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| 34 | "properties": { |
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| 35 | "Name": { |
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| 36 | "type": "string" |
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| 37 | }, |
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| 38 | "Activity": { |
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| 39 | "type": "string" |
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| 40 | }, |
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| 41 | "Product": { |
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| 42 | "type": "string" |
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| 43 | }, |
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| 44 | "Organization": { |
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| 45 | "type": "string" |
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| 46 | }, |
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| 47 | "Model": { |
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| 48 | "type": "string" |
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| 49 | }, |
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| 50 | "Experiment": { |
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| 51 | "type": "string" |
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| 52 | }, |
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| 53 | "Frequency": { |
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| 54 | "type": "string" |
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| 55 | }, |
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| 56 | "modeling realm": { |
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| 57 | "type": "string" |
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| 58 | }, |
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| 59 | "variable name": { |
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| 60 | "type": "string" |
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| 61 | }, |
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| 62 | "ensemble member": { |
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| 63 | "type": "string" |
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| 64 | }, |
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| 65 | "Ensemble": { |
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| 66 | "type": "string" |
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| 67 | },"Sample Granularity": { |
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| 68 | "type": "string" |
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| 69 | },"Start Time": { |
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| 70 | "type": "string" |
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| 71 | },"field campaign": { |
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| 72 | "type": "string" |
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| 73 | }, |
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| 74 | "optical properties for radiation": { |
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| 75 | "type": "string" |
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| 76 | }, |
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| 77 | "grid resolution": { |
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| 78 | "type": "string" |
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| 79 | }"output type": { |
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| 80 | "type": "string" |
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| 81 | }, |
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| 82 | "timestamp": { |
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| 83 | "type": "string" |
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| 84 | }, |
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| 85 | "?": { |
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| 86 | "description": "Autocomplete search field" |
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| 87 | "type": "string" |
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| 88 | } |
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| 89 | }, |
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| 90 | "required": [] |
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| 91 | 1 | Alison Craig | } |
| 92 | } |
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| 93 | |||
| 94 | ``` |
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| 95 | |||
| 96 | |||
| 97 | 15 | Alison Craig | <b><i>Query Results Data JSON</b></i> |
| 98 | With the query results, the Data returns the Query Results by using the query parameters (above) in the Name produced and a JSON Blob for the results: |
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| 99 | 1 | Alison Craig | |
| 100 | 15 | Alison Craig | /<prefix>/query/<query-parameters>/output |
| 101 | |||
| 102 | |||
| 103 | |||
| 104 | ``` |
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| 105 | { |
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| 106 | "$schema": "http://json-schema.org/draft-04/schema#", |
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| 107 | "title": "Catalog Query Result", |
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| 108 | "type": "array", |
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| 109 | "items": { |
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| 110 | "title": "QueryResults", |
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| 111 | "type": "object", |
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| 112 | "properties": { |
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| 113 | "Length": { |
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| 114 | "description": "Total number of results" |
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| 115 | "type": "integer" |
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| 116 | }, |
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| 117 | "View": { |
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| 118 | "minimum": 2 |
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| 119 | "maximum": 2 |
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| 120 | "description": "Pair of integers indicating which subset of the results we are receiving (first value being the lower index, second the upper index)" |
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| 121 | "type": Array |
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| 122 | }, |
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| 123 | "Results": { |
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| 124 | "description": "List of NDN names" |
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| 125 | "type": Array |
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| 126 | }, |
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| 127 | "Next": { |
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| 128 | "description": "Autocomplete search potential next field(s)" |
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| 129 | "type": Array |
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| 130 | } |
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| 131 | }, |
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| 132 | "required": [Length,View] |
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| 133 | }, |
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| 134 | |||
| 135 | } |
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| 136 | ``` |