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Diffstat (limited to 'docs/modelingconcepts/expression.rst')
| -rw-r--r-- | docs/modelingconcepts/expression.rst | 48 |
1 files changed, 27 insertions, 21 deletions
diff --git a/docs/modelingconcepts/expression.rst b/docs/modelingconcepts/expression.rst index 27d9de5d4..059cf7cd1 100644 --- a/docs/modelingconcepts/expression.rst +++ b/docs/modelingconcepts/expression.rst @@ -7,7 +7,7 @@ .. _expression: Expression -------------------------------------- +---------- TOSCA provides for a set of functions to reference elements within the template or to retrieve runtime values. @@ -19,54 +19,56 @@ TOSCA provides for a set of functions to reference elements within the template **get_input** - The **get_input** function is used to retrieve the values of properties declared + The **get_input** function is used to retrieve the values of properties declared within the inputs section of a TOSCA Service Template. Within CDS, this is mainly Workflow inputs. - `TOSCA specification + `TOSCA specification <http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454178>`_ **Example:** `<https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/blueprint-model/test-blueprint/golden/Definitions/golden-blueprint.json#L210>`_ - .. code-block:: JSON - + .. code-block:: json + "resolution-key": { - "get_input": "resolution-key" + "get_input": "resolution-key" } - + .. tab:: get_property **get_property** - The **get_property** function is used to retrieve property values between modelable + The **get_property** function is used to retrieve property values between modelable entities defined in the same service template. - `TOSCA specification + `TOSCA specification <http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454178>`_ **Example:** - TBD + .. code-block:: json + + "get_property": ["SELF", "property-name"] .. tab:: get_attribute **get_attribute** - The **get_attribute** function is used to retrieve the values of named attributes declared + The **get_attribute** function is used to retrieve the values of named attributes declared by the referenced node or relationship template name. - `TOSCA specification + `TOSCA specification <http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454178>`_ **Example:** `<https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/blueprint-model/test-blueprint/golden/Definitions/golden-blueprint.json#L64-L67>`_ - .. code-block:: JSON - + .. code-block:: json + "get_attribute": [ "resource-assignment", "assignment-params" @@ -76,26 +78,30 @@ TOSCA provides for a set of functions to reference elements within the template **get_operation_output** - The **get_operation_output** function is used to retrieve property values between modelable - entities defined in the same service template. + The **get_operation_output** function is used to retrieve the values of variables + exposed / exported from an interface operation. - `TOSCA specification + `TOSCA specification <http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454180>`_ **Example:** - TBD + .. code-block:: json + + "get_operation_output": ["SELF", "interface-name", "operation-name", "output-property-name"] .. tab:: get_artifact **get_artifact** - The **get_artifact** function is used to retrieve property values between modelable + The **get_artifact** function is used to retrieve artifact location between modelable entities defined in the same service template. - `TOSCA specification + `TOSCA specification <http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454182>`_ **Example:** - TBD
\ No newline at end of file + .. code-block:: json + + "get_artifact" : ["SELF", "artifact-template", "location", true]
\ No newline at end of file |