X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/7024cc159936593350aaf7939d700102f6510787..42b9e37cd53d63980d3fa4a238f9ff6adad9ccc4:/doc/api/methods.html.textile.liquid

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@@ -2,79 +2,101 @@
 layout: default
 navsection: api
 navmenu: Concepts
-title: REST methods
+title: Common resource methods
 
 ...
 
-h1. REST Methods
+The following methods are available for most resources.  Some resources may limit who can perform certain operations.  Consult documentation for individual resource types for details.
 
-(using Group as an example)
+h2. create
 
-h2(#index). Index, list, search
+The @create@ method creates a new object of the specified type.  It corresponds to the HTTP request @POST /arvados/v1/resource_name@.  A successful create call returns a copy of the new object.
 
-<pre>
-GET https://{{ site.arvados_api_host }}/arvados/v1/groups?where[owner_uuid]=xyzzy-tpzed-a4lcehql0dv2u25
- 
-POST https://{{ site.arvados_api_host }}/arvados/v1/groups
-_method=GET
-where[owner_uuid]=xyzzy-tpzed-a4lcehql0dv2u25
-</pre>
+Arguments:
 
-&rarr; Group resource list
+table(table table-bordered table-condensed).
+|_. Argument |_. Type |_. Description |_. Location |
+|{resource_name}|object||query||
+
+h2. delete
+
+The @delete@ method deletes a object of the specified type.  It corresponds to the HTTP request @DELETE /arvados/v1/resource_name/uuid@.  A successful delete call returns a copy of the deleted object.
+
+Arguments:
 
 table(table table-bordered table-condensed).
-|*Parameter name*|*Value*|*Description*|
-|max_results|integer|Maximum number of resources to return|
-|page_token|string||
-|where{}|list|Attribute values to search for|
+|_. Argument |_. Type |_. Description |_. Location |
+{background:#ccffcc}.|uuid|string|The UUID of the object in question.|path|
 
-h2. Create
+h2. get
 
-<pre>
-POST https://{{ site.arvados_api_host }}/arvados/v1/groups
-group={"name":"fresh new group"}
-</pre>
+The @get@ method gets a single object with the specified @uuid@.  It corresponds to the HTTP request @GET /arvados/v1/resource_name/uuid@.
 
-&rarr; Group resource
+Arguments:
 
-h2. Delete
+table(table table-bordered table-condensed).
+|_. Argument |_. Type |_. Description |_. Location |
+{background:#ccffcc}.|uuid|string|The UUID of the object in question.|path|
 
-<pre>
-DELETE https://{{ site.arvados_api_host }}/arvados/v1/groups/xyzzy-ldvyl-vyydjeplwaa6emg
-</pre>
+h2(#index). list
 
-&rarr; Group resource
+The @list@ method requests an list of resources of that type.  It corresponds to the HTTP request @GET /arvados/v1/resource_name@.  All resources support listing with unless otherwise noted.
 
-h2. Show
+Arguments:
 
-<pre>
-GET https://{{ site.arvados_api_host }}/arvados/v1/groups/xyzzy-ldvyl-vyydjeplwaa6emg
-</pre>
+table(table table-bordered table-condensed).
+|_. Argument |_. Type |_. Description |_. Location |
+|limit   |integer|Maximum number of resources to return.  May also be subject to server limit.|query|
+|offset  |integer|Skip the first 'offset' resources that match the given filter conditions.|query|
+|filters |array  |Conditions for selecting resources to return (see below).|query|
+|order   |array  |Attributes to use as sort keys to determine the order resources are returned, each optionally followed by @asc@ or @desc@ to indicate ascending or descending order.
+Example: @["head_uuid asc","modified_at desc"]@
+Default: @["created_at desc"]@|query|
+|select  |array  |Set of attributes to include in the response.
+Example: @["head_uuid","tail_uuid"]@
+Default: all available attributes.  As a special case, collections do not return "manifest_text" unless explicitly selected.|query|
+|distinct|boolean|@true@: (default) do not return duplicate objects
+@false@: permitted to return duplicates|query|
 
-&rarr; Group resource
+h3. filters
 
-h2. Update
+The value of the @filters@ parameter is an array of conditions. The @list@ method returns only the resources that satisfy all of the given conditions. In other words, the conjunction @AND@ is implicit.
 
-<pre>
-PUT https://{{ site.arvados_api_host }}/arvados/v1/groups/xyzzy-ldvyl-vyydjeplwaa6emg
-group={"uuid":"xyzzy-ldvyl-vyydjeplwaa6emg", "name":"Important group"}
-</pre>
+Each condition is expressed as an array with three elements: @[attribute, operator, operand]@.
 
-&rarr; Group resource
+table(table table-bordered table-condensed).
+|_. Index|_. Element|_. Type|_. Description|_. Examples|
+|0|attribute|string|Name of the attribute to compare (or "any" to return resources with any matching attribute)|@script_version@, @head_uuid@, @any@|
+|1|operator|string|Comparison operator|@>@, @>=@, @like@, @not in@|
+|2|operand|string, array, or null|Value to compare with the resource attribute|@"d00220fb%"@, @"1234"@, @["foo","bar"]@, @nil@|
 
-<pre>
-PUT https://{{ site.arvados_api_host }}/arvados/v1/groups/xyzzy-ldvyl-vyydjeplwaa6emg
-group[uuid]=xyzzy-ldvyl-vyydjeplwaa6emg
-group[name]=Important group
-</pre>
+The following operators are available.
 
-&rarr; Group resource
+table(table table-bordered table-condensed).
+|_. Operator|_. Operand type|_. Example|
+|@<@, @<=@, @>=@, @>@, @like@, @ilike@|string|@["script_version","like","d00220fb%"]@|
+|@=@, @!=@|string or null|@["tail_uuid","=","xyzzy-j7d0g-fffffffffffffff"]@
+@["tail_uuid","!=",null]@|
+|@in@, @not in@|array of strings|@["script_version","in",["master","d00220fb38d4b85ca8fc28a8151702a2b9d1dec5"]]@|
+|@is_a@|string|@["head_uuid","is_a","arvados#pipelineInstance"]@|
+
+h3. result
+
+A successful call to list will return the following object.
 
-More appropriate (but not yet implemented):
+table(table table-bordered table-condensed).
+|_. Attribute |_. Type |_. Description |
+|kind|string|type of objects returned|
+|offset|integer|query offset in effect|
+|limit|integer|query limit in effect|
+|items|array|actual query payload, an array of resource objects|
+|items_available|integer|total items available matching query|
+
+h2. update
 
-<pre>
-PATCH https://{{ site.arvados_api_host }}/arvados/v1/groups/xyzzy-ldvyl-vyydjeplwaa6emg
-group={"uuid":"xyzzy-ldvyl-vyydjeplwaa6emg", "name":"Important group"}
-</pre>
+The @update@ method updates fields on the object with the specified @uuid@.  It corresponds to the HTTP request @PUT /arvados/v1/resource_name/uuid@.  A successful update call returns the updated copy of the object.
 
-&rarr; Group resource
+table(table table-bordered table-condensed).
+|_. Argument |_. Type |_. Description |_. Location |
+{background:#ccffcc}.|uuid|string|The UUID of the resource in question.|path||
+|{resource_name}|object||query||