Fix sli/core docs directory

Docs directory for sli/core was not in the right place and so was not
being included in readthedocs

Change-Id: I934097fe65721fcd8e7447b095cce7a0a20e3714
Issue-ID: CCSDK-140
Signed-off-by: Dan Timoney <dtimoney@att.com>

1 files changed, 1031 insertions, 0 deletions

diff --git a/docs/sli/core/nodes.rst b/docs/sli/core/nodes.rst
new file mode 100644
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+--- Service Logic Interpreter --- Dan Timoney --- 2014-11-12 ---
+
+Supported node types
+====================
+
+The following built-in node types are currently supported:
+
+-  Flow Control
+
+   -  `**block** <#Block_node>`__
+
+   -  `**call** <#Call_node>`__
+
+   -  `**for** <#For_node>`__
+
+   -  `**return** <#Return_node>`__
+
+   -  `**set** <#Set_node>`__
+
+   -  `**switch** <#Switch_node>`__
+
+-  Device Management
+
+   -  `**configure** <#Configure_node>`__
+
+-  Java Plugin Support
+
+   -  `**execute** <#Execute_node>`__
+
+-  Recording
+
+   -  `**record** <#Record_node>`__
+
+-  Resource Management
+
+   -  `**delete** <#Delete_node>`__
+
+   -  `**exists** <#Exists_node>`__
+
+   -  `**get-resource** <#Get-resource_node>`__
+
+   -  `**is-available** <#Is-available_node>`__
+
+   -  `**notify** <#Notify_node>`__
+
+   -  `**release** <#Release_node>`__
+
+   -  `**reserve** <#Reserve_node>`__
+
+   -  `**save** <#Save_node>`__
+
+   -  `**update** <#Update_node>`__
+
+Flow Control
+------------
+
+Block node
+~~~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+A **block** node is used to executes a set of nodes.
+
+Attributes
+^^^^^^^^^^
+
++--------------+-----------------------------------------------------------------------------------------------------------------------------------+
+| **atomic**   | if *true*, then if a node returns failure, subsequent nodes will not be executed and nodes already executed will be backed out.   |
++--------------+-----------------------------------------------------------------------------------------------------------------------------------+
+
+Parameters
+^^^^^^^^^^
+
+None
+
+Outcomes
+^^^^^^^^
+
+None
+
+Example
+^^^^^^^
+
+::
+
+    <block>
+      <record plugin="org.onap.ccsdk.sli.core.sli.recording.FileRecorder">
+        <parameter name="file" value="/tmp/sample_r1.log" />
+        <parameter name="field1" value="__TIMESTAMP__"/>
+        <parameter name="field2" value="RESERVED"/>
+        <parameter name="field3" value="$asePort.uni_circuit_id"/>
+      </record>
+      <return status="success">
+        <parameter name="uni-circuit-id" value="$asePort.uni_circuit_id" />
+      </return>
+    </block>
+
+Call node
+~~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+A **call** node is used to call another graph
+
+Attributes
+^^^^^^^^^^
+
++---------------+------------------------------------------------------------------------------------+
+| **module**    | Module of directed graph to call. If unset, defaults to that of calling graph      |
++---------------+------------------------------------------------------------------------------------+
+| **rpc**       | rpc of directed graph to call.                                                     |
++---------------+------------------------------------------------------------------------------------+
+| **version**   | version of graph to call, If unset, uses active version.                           |
++---------------+------------------------------------------------------------------------------------+
+| **mode**      | mode (sync/async) of graph to call. If unset, defaults to that of calling graph.   |
++---------------+------------------------------------------------------------------------------------+
+
+Parameters
+^^^^^^^^^^
+
+Not applicable
+
+Outcomes
+^^^^^^^^
+
++-----------------+------------------------------+
+| **success**     | Sub graph returned success   |
++-----------------+------------------------------+
+| **not-found**   | Graph not found              |
++-----------------+------------------------------+
+| **failure**     | Subgraph returned success    |
++-----------------+------------------------------+
+
+Table: .
+
+Example
+^^^^^^^
+
+::
+
+    <call rpc="svc-topology-reserve" mode="sync" />
+
+For node
+~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+A **for** node provides a fixed iteration looping mechanism, similar to
+the Java for loop
+
+Attributes
+^^^^^^^^^^
+
++-------------+------------------+
+| **index**   | index variable   |
++-------------+------------------+
+| **start**   | initial value    |
++-------------+------------------+
+| **end**     | maximum value    |
++-------------+------------------+
+
+Parameters
+^^^^^^^^^^
+
+Not applicable.
+
+Outcomes
+^^^^^^^^
+
+Not applicable. The **status** node has no outcomes.
+
+Example
+^^^^^^^
+
+::
+
+    <for index="i" start="0" end="`$service-data.universal-cpe-ft.l2-switch-interfaces_length`">
+       <record plugin="org.onap.ccsdk.sli.core.sli.recording.Slf4jRecorder">
+          <parameter name="logger" value="message-log"/>
+          <parameter name="level" value="info"/>
+          <parameter name="field1" value="`'current l2-switch-interface name is ' + $service-data.universal-cpe-ft.l2-switch-interfaces[$i].name`"/>
+       </record>
+    </for>
+
+Return node
+~~~~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+A **return** node is used to return a status to the invoking MD-SAL
+application
+
+Attributes
+^^^^^^^^^^
+
++--------------+---------------------------------------------------+
+| **status**   | Status value to return (*success* or *failure*)   |
++--------------+---------------------------------------------------+
+
+Parameters
+^^^^^^^^^^
+
+The following optional parameters may be passed to convey more detailed
+status information.
+
++---------------------+-----------------------------------------------------------------+
+| **error-code**      | A brief, usually numeric, code indicating the error condition   |
++---------------------+-----------------------------------------------------------------+
+| **error-message**   | A more detailed error message                                   |
++---------------------+-----------------------------------------------------------------+
+
+Outcomes
+^^^^^^^^
+
+Not applicable. The **status** node has no outcomes.
+
+Example
+^^^^^^^
+
+::
+
+    <return status="failure">
+      <parameter name="error-code" value="1542" />
+      <parameter name="error-message" value="Activation failure" />
+    </return>
+
+Set node
+~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+A **set** node is used to set one or more values in the execution
+context
+
+Attributes
+^^^^^^^^^^
+
++---------------------+-------------------------------------------------------------------------------------+
+| **only-if-unset**   | If true the set node will only execute if the current value of the target is null   |
++---------------------+-------------------------------------------------------------------------------------+
+
+Parameters
+^^^^^^^^^^
+
+Values to be set are passed as parameters
+
+Outcomes
+^^^^^^^^
+
+Not applicable. The **set** node has no outcomes.
+
+Example
+^^^^^^^
+
+::
+
+    <set>
+      <parameter name="vlan" value="$network.provider-segmentation-id" />
+    </set>
+
+Switch node
+~~~~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+A **switch** node is used to make a decision based on its **test**
+attribute.
+
+Attributes
+^^^^^^^^^^
+
++------------+---------------------+
+| **test**   | Condition to test   |
++------------+---------------------+
+
+Parameters
+^^^^^^^^^^
+
+None
+
+Outcomes
+^^^^^^^^
+
+Depends on the **test** condition
+
+Example
+^^^^^^^
+
+::
+
+    <switch test="$uni-cir-units">
+      <outcome value="Mbps">
+        <reserve plugin="org.onap.ccsdk.sli.adaptors.samplesvc.SampleServiceResource"
+                 resource="ase-port"
+                 key="resource-emt-clli == $edge-device-clli and speed >= $uni-cir-value"
+                 pfx="asePort">
+
+          <outcome value="success">
+            <return status="success">
+              <parameter name="uni-circuit-id" value="$asePort.uni_circuit_id" />
+            </return>
+          </outcome>
+          <outcome value="Other">
+            <return status="failure">
+              <parameter name="error-code" value="1010" />
+              <parameter name="error-message" value="No ports found that match criteria" />
+            </return>
+          </outcome>
+        </reserve>
+      </outcome>
+      <outcome value="Gbps">
+        <reserve plugin="org.onap.ccsdk.sli.adaptors.samplesvc.SampleServiceResource"
+                 resource="ase-port"
+                 key="resource-emt-clli == $edge-device-clli and speed >= $uni-cir-value*1000"
+                 pfx="asePort">
+
+          <outcome value="success">
+            <return status="success">
+              <parameter name="uni-circuit-id" value="$asePort.uni_circuit_id" />
+            </return>
+          </outcome>
+          <outcome value="Other">
+            <return status="failure">
+              <parameter name="error-code" value="1010" />
+              <parameter name="error-message" value="No ports found that match criteria" />
+            </return>
+          </outcome>
+        </reserve>
+      </outcome>
+    </switch>
+
+Device Management
+-----------------
+
+Configure node
+~~~~~~~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+A **configure** node is used to configure a device.
+
+Attributes
+^^^^^^^^^^
+
++----------------+-----------------------------------------------------------------------------------+
+| **adaptor**    | Fully qualified Java class of resource adaptor to be used                         |
++----------------+-----------------------------------------------------------------------------------+
+| **activate**   | Activate device/interface, for devices that support a separate activation step.   |
++----------------+-----------------------------------------------------------------------------------+
+| **key**        | SQL-like string specifying criteria for item to configure                         |
++----------------+-----------------------------------------------------------------------------------+
+
+Parameters
+^^^^^^^^^^
+
+Specific to device adaptor.
+
+Outcomes
+^^^^^^^^
+
++----------------------+------------------------------------------------------------------+
+| **success**          | Device successfully configured                                   |
++----------------------+------------------------------------------------------------------+
+| **not-found**        | Element to be configured does not exist.                         |
++----------------------+------------------------------------------------------------------+
+| **not-ready**        | Element is not in a state where it can be configured/activated   |
++----------------------+------------------------------------------------------------------+
+| **already-active**   | Attempt to activate element that is already active               |
++----------------------+------------------------------------------------------------------+
+| **failure**          | Configure failed for some other reason                           |
++----------------------+------------------------------------------------------------------+
+
+Example
+^^^^^^^
+
+::
+
+    <configure adaptor="org.onap.ccsdk.sli.adaptors.emt.EmtAdaptor"
+               key="$uni-circuit-id" activate="true">
+      <parameter name="circuit.id" value="$uni-circuit-id" />
+      <parameter name="subscriber.name" value="$subscriber-name" />
+      <parameter name="emt.clli" value="$edge-device-clli" />
+      <parameter name="port.tagging" value="$port-tagging" />
+      <parameter name="port.mediaSpeed" value="$media-speed" />
+      <parameter name="location.state" value="$uni-location-state" />
+      <parameter name="location.city" value="$uni-location-city" />
+      <parameter name="cosCategory" value="$cos-category" />
+      <parameter name="gosProfile" value="$gos-profile" />
+      <parameter name="lldp" value="$asePort.resource-lldp" />
+      <parameter name="mtu" value="$asePort.resource-mtu" />
+      <outcome value="success">
+        <block>
+          <record plugin="org.onap.ccsdk.sli.core.sli.recording.FileRecorder">
+            <parameter name="file" value="/tmp/sample_r1.log" />
+            <parameter name="field1" value="__TIMESTAMP__"/>
+            <parameter name="field2" value="ACTIVE"/>
+            <parameter name="field3" value="$uni-circuit-id"/>
+          </record>
+          <return status="success">
+            <parameter name="edge-device-clli" value="$asePort.resource-emt-clli" />
+          </return>
+        </block>
+      </outcome>
+      <outcome value="already-active">
+        <return status="failure">
+          <parameter name="error-code" value="1590" />
+          <parameter name="error-message" value="Port already active" />
+        </return>
+      </outcome>
+      <outcome value="Other">
+        <return status="failure">
+          <parameter name="error-code" value="1542" />
+          <parameter name="error-message" value="Activation failure" />
+        </return>
+      </outcome>
+    </configure>
+
+Java Plugin Support
+-------------------
+
+Execute node
+~~~~~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+An **execute** node is used to execute Java code supplied as a plugin
+
+Attributes
+^^^^^^^^^^
+
++--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+| **plugin**   | Fully qualified Java class of plugin to be used                                                                                                                                                    |
++--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+| **method**   | Name of method in the plugin class to execute. Method must return void, and take 2 arguments: a Map (for parameters) and a SvcLogicContext (to allow plugin read/write access to context memory)   |
++--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+
+Parameters
+^^^^^^^^^^
+
+Specific to plugin / method
+
+Outcomes
+^^^^^^^^
+
++--------------------------+-----------------------------------------------------------------+
+| **success**              | Device successfully configured                                  |
++--------------------------+-----------------------------------------------------------------+
+| **not-found**            | Plugin class could not be loaded                                |
++--------------------------+-----------------------------------------------------------------+
+| **unsupported-method**   | Named method taking (Map, SvcLogicContext) could not be found   |
++--------------------------+-----------------------------------------------------------------+
+| **failure**              | Configure failed for some other reason                          |
++--------------------------+-----------------------------------------------------------------+
+
+Example
+^^^^^^^
+
+::
+
+    <execute plugin="org.onap.ccsdk.sli.plugins.HelloWorld"
+               method="log">
+      <parameter name="message" value="Hello, world!" />
+      <outcome value="success">
+          <return status="success"/>
+      </outcome>
+      <outcome value="not-found">
+        <return status="failure">
+          <parameter name="error-code" value="1590" />
+          <parameter name="error-message" value="Could not locate plugin" />
+        </return>
+      </outcome>
+      <outcome value="Other">
+        <return status="failure">
+          <parameter name="error-code" value="1542" />
+          <parameter name="error-message" value="Internal error" />
+        </return>
+      </outcome>
+    </execute>
+
+Recording
+---------
+
+Record node
+~~~~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+A **record** node is used to record an event. For example, this might be
+used to log provisioning events.
+
+Attributes
+^^^^^^^^^^
+
++--------------+---------------------------------------------------+
+| **plugin**   | Fully qualified Java class to handle recording.   |
++--------------+---------------------------------------------------+
+
+Parameters
+^^^^^^^^^^
+
+Parameters will depend on the plugin being used. For the FileRecorder
+class, the parameters are as follows
+
++--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+| **file**     | The file to which the record should be written                                                                                                                                                                       |
++--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+| **field1**   | First field to write. There will be **field** parameters for each field to write, from **field1** through **fieldN**. A special value \_\_TIMESTAMP\_\_ may be assigned to a field to insert the current timestamp   |
++--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+
+Outcomes
+^^^^^^^^
+
++---------------+--------------------------------------------+
+| **success**   | Record successfully written                |
++---------------+--------------------------------------------+
+| **failure**   | Record could not be successfully written   |
++---------------+--------------------------------------------+
+
+Example
+^^^^^^^
+
+::
+
+    <record plugin="org.onap.ccsdk.sli.core.sli.recording.FileRecorder">
+      <parameter name="file" value="/tmp/sample_r1.log" />
+      <parameter name="field1" value="__TIMESTAMP__"/>
+      <parameter name="field2" value="ACTIVE"/>
+      <parameter name="field3" value="$uni-circuit-id"/>
+    </record>
+
+Resource Management
+-------------------
+
+Delete node
+~~~~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+A **delete** node is used to delete a resource from the local resource
+inventory.
+
+Attributes
+^^^^^^^^^^
+
++----------------+-------------------------------------------------------------+
+| **plugin**     | Fully qualified Java class of resource adaptor to be used   |
++----------------+-------------------------------------------------------------+
+| **resource**   | Type of resource to delete                                  |
++----------------+-------------------------------------------------------------+
+| **key**        | SQL-like string specifying key to delete                    |
++----------------+-------------------------------------------------------------+
+
+Parameters
+^^^^^^^^^^
+
+None
+
+Outcomes
+^^^^^^^^
+
++---------------+--------------------------------------------+
+| **success**   | Resource specified deleted successfully.   |
++---------------+--------------------------------------------+
+| *failure*>    | Resource specified was not deleted         |
++---------------+--------------------------------------------+
+
+Example
+^^^^^^^
+
+::
+
+    <delete plugin="org.onap.ccsdk.sli.adaptors.samplesvc.SampleServiceResource"
+            resource="ase-port"
+            key="uni_circuit_id == $uni-circuit-id">
+      <outcome value="true">
+        <return status="success"/>
+      </outcome>
+      <outcome value="false">
+        <return status="failure"/>
+      </outcome>
+    </delete>
+
+Exists node
+~~~~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+An **exists** node is used to determine whether a particular instance of
+a resource exists. For example, this might be used to test whether a
+particular switch CLLI is provisioned.
+
+Attributes
+^^^^^^^^^^
+
++----------------+-------------------------------------------------------------+
+| **plugin**     | Fully qualified Java class of resource adaptor to be used   |
++----------------+-------------------------------------------------------------+
+| **resource**   | Type of resource to check                                   |
++----------------+-------------------------------------------------------------+
+| **key**        | SQL-like string specifying key to check for                 |
++----------------+-------------------------------------------------------------+
+
+Parameters
+^^^^^^^^^^
+
+None
+
+Outcomes
+^^^^^^^^
+
++-------------+---------------------------------+
+| **true**    | Resource specified exists.      |
++-------------+---------------------------------+
+| **false**   | Resource specified is unknown   |
++-------------+---------------------------------+
+
+Example
+^^^^^^^
+
+::
+
+    <exists plugin="org.onap.ccsdk.sli.adaptors.samplesvc.SampleServiceResource"
+            resource="ase-port"
+            key="uni_circuit_id == $uni-circuit-id">
+      <outcome value="true">
+        <return status="success"/>
+      </outcome>
+      <outcome value="false">
+        <return status="failure"/>
+      </outcome>
+    </exists>
+
+Get-resource node
+~~~~~~~~~~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+A **get-resource** node is used to retrieve information about a
+particular resource and make it available to other nodes in the service
+logic tree. For example, this might be used to retrieve information
+about a particular uni-port.
+
+Attributes
+^^^^^^^^^^
+
++----------------+------------------------------------------------------------------------------------------+
+| **plugin**     | Fully qualified Java class of resource adaptor to be used                                |
++----------------+------------------------------------------------------------------------------------------+
+| **resource**   | Type of resource to retrieve                                                             |
++----------------+------------------------------------------------------------------------------------------+
+| **key**        | SQL-like string specifying criteria for retrieval                                        |
++----------------+------------------------------------------------------------------------------------------+
+| **pfx**        | Prefix to add to context variable names set for data retrieved                           |
++----------------+------------------------------------------------------------------------------------------+
+| **select**     | String to specify, if key matches multiple entries, which entry should take precedence   |
++----------------+------------------------------------------------------------------------------------------+
+| **order-by**   | Prefix to add to context variable names set for data retrieved                           |
++----------------+------------------------------------------------------------------------------------------+
+
+Parameters
+^^^^^^^^^^
+
+None
+
+Outcomes
+^^^^^^^^
+
++-----------------+--------------------------------------------------+
+| **success**     | Resource successfully retrieved                  |
++-----------------+--------------------------------------------------+
+| **not-found**   | Resource referenced does not exist               |
++-----------------+--------------------------------------------------+
+| **failure**     | Resource retrieve failed for some other reason   |
++-----------------+--------------------------------------------------+
+
+Example
+^^^^^^^
+
+::
+
+    <get-resource plugin="org.onap.ccsdk.sli.adaptors.samplesvc.SampleServiceResource"
+                  resource="ase-port"
+                  key="uni_circuit_id == $uni-circuit-id"
+                  pfx="current-port">
+      <outcome value="success">
+        <return status="success"/>
+      </outcome>
+      <outcome value="not-found">
+        <return status="failure"/>
+      </outcome>
+      <outcome value="failure">
+        <return status="failure"/>
+      </outcome>
+    </get-resource>
+
+Is-available node
+~~~~~~~~~~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+An **is-available** node is used to determine whether a particular type
+of resource is available. For example, this might be used to test
+whether any ports are available for assignment on a particular switch.
+
+Attributes
+^^^^^^^^^^
+
++----------------+------------------------------------------------------------------+
+| **plugin**     | Fully qualified Java class of resource adaptor to be used        |
++----------------+------------------------------------------------------------------+
+| **resource**   | Type of resource to check                                        |
++----------------+------------------------------------------------------------------+
+| **key**        | SQL-like string specifying key to check for                      |
++----------------+------------------------------------------------------------------+
+| **pfx**        | Prefix to add to context variable names set for data retrieved   |
++----------------+------------------------------------------------------------------+
+
+Parameters
+^^^^^^^^^^
+
+None
+
+Outcomes
+^^^^^^^^
+
++-------------+---------------------------------------+
+| **true**    | Resource requested is available       |
++-------------+---------------------------------------+
+| **false**   | Resource requested is not available   |
++-------------+---------------------------------------+
+
+Example
+^^^^^^^
+
+::
+
+    <is-available plugin="org.onap.ccsdk.sli.adaptors.samplesvc.SampleServiceResource"
+                  resource="ase-port"
+                  key="resource-emt-clli == $edge-device-clli and speed >= $uni-cir-value">
+      <outcome value="true">
+        <return status="success"/>
+      </outcome>
+      <outcome value="false">
+        <return status="failure"/>
+      </outcome>
+    </is-available>
+
+Notify node
+~~~~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+A **notify** node is used to inform an external application (e.g. A&AI)
+that a resource was updated.
+
+Attributes
+^^^^^^^^^^
+
++----------------+---------------------------------------------------------------------+
+| **plugin**     | Fully qualified Java class of resource adaptor to be used           |
++----------------+---------------------------------------------------------------------+
+| **resource**   | Identifies resource that was updated                                |
++----------------+---------------------------------------------------------------------+
+| **action**     | Action that triggered notification to be sent (ADD/UPDATE/DELETE)   |
++----------------+---------------------------------------------------------------------+
+
+Parameters
+^^^^^^^^^^
+
+None
+
+Outcomes
+^^^^^^^^
+
++---------------+----------------------------------------+
+| **success**   | Notification was successful            |
++---------------+----------------------------------------+
+| **failure**   | Notification failed is not available   |
++---------------+----------------------------------------+
+
+Example
+^^^^^^^
+
+::
+
+    <notify plugin="org.onap.ccsdk.sli.adaptors.samplesvc.SampleServiceResource"
+                  resource="ase-port"
+                  action="ADD">
+      <outcome value="success">
+        <return status="success"/>
+      </outcome>
+      <outcome value="Other">
+        <return status="failure"/>
+      </outcome>
+    </notify>
+
+Release node
+~~~~~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+A **release** node is used to mark a resource as no longer in use, and
+thus available for assignment.
+
+Attributes
+^^^^^^^^^^
+
++----------------+------------------------------------------------------------------+
+| **plugin**     | Fully qualified Java class of resource adaptor to be used        |
++----------------+------------------------------------------------------------------+
+| **resource**   | Type of resource to release                                      |
++----------------+------------------------------------------------------------------+
+| **key**        | SQL-like string specifying key to check of resource to release   |
++----------------+------------------------------------------------------------------+
+
+Parameters
+^^^^^^^^^^
+
+None
+
+Outcomes
+^^^^^^^^
+
++-----------------+-------------------------------------------------+
+| **success**     | Resource successfully released                  |
++-----------------+-------------------------------------------------+
+| **not-found**   | Resource referenced does not exist              |
++-----------------+-------------------------------------------------+
+| **failure**     | Resource release failed for some other reason   |
++-----------------+-------------------------------------------------+
+
+Example
+^^^^^^^
+
+::
+
+    <release plugin="org.onap.ccsdk.sli.adaptors.SampleServiceResource"
+             resource="ase-port"
+             key="uni_circuit_id == $uni-circuit-id">
+      <outcome value="success">
+        <return status="success"/>
+      </outcome>
+      <outcome value="not-found">
+        <return status="failure"/>
+      </outcome>
+      <outcome value="failure">
+        <return status="failure"/>
+      </outcome>
+    </release>
+
+Reserve node
+~~~~~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+A **reserve** node is used to reserve a particular type of resource..
+For example, this might be used to reserve a port on a particular
+switch.
+
+Attributes
+^^^^^^^^^^
+
++----------------+----------------------------------------------------------------------------------------------+
+| **plugin**     | Fully qualified Java class of resource adaptor to be used                                    |
++----------------+----------------------------------------------------------------------------------------------+
+| **resource**   | Type of resource to reserve                                                                  |
++----------------+----------------------------------------------------------------------------------------------+
+| **key**        | SQL-like string specifying criteria for reservation                                          |
++----------------+----------------------------------------------------------------------------------------------+
+| **select**     | String to specify, if **key** matches multiple entries, which entry should take precedence   |
++----------------+----------------------------------------------------------------------------------------------+
+
+Parameters
+^^^^^^^^^^
+
+None
+
+Outcomes
+^^^^^^^^
+
++---------------+----------------------------------------------------+
+| **success**   | Resource requested was successfully reserved       |
++---------------+----------------------------------------------------+
+| **failure**   | Resource requested was not successfully reserved   |
++---------------+----------------------------------------------------+
+
+Example
+^^^^^^^
+
+::
+
+    <reserve plugin="org.onap.ccsdk.sli.adaptors.samplesvc.SampleServiceResource"
+             resource="ase-port"
+             key="resource-emt-clli == $edge-device-clli and speed >= $uni-cir-value"
+             select="min(speed)">
+      <outcome value="success">
+        <return status="success"/>
+      </outcome>
+      <outcome value="failure">
+        <return status="failure"/>
+      </outcome>
+    </reserve>
+
+Save node
+~~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+A **save** node is used to save information about a particular resource
+to persistent storage. For example, this might be used to save
+information about a particular uni-port.
+
+Attributes
+^^^^^^^^^^
+
++----------------+------------------------------------------------------------------------------------------+
+| **plugin**     | Fully qualified Java class of resource adaptor to be used                                |
++----------------+------------------------------------------------------------------------------------------+
+| **resource**   | Type of resource to save                                                                 |
++----------------+------------------------------------------------------------------------------------------+
+| **key**        | SQL-like string specifying criteria for retrieval                                        |
++----------------+------------------------------------------------------------------------------------------+
+| **force**      | If "true", save resource even if this resource is already stored in persistent storage   |
++----------------+------------------------------------------------------------------------------------------+
+| **pfx**        | Prefix to be prepended to variable names, when attributes are set in SvcLogicContext     |
++----------------+------------------------------------------------------------------------------------------+
+
+Parameters
+^^^^^^^^^^
+
+Values to save (columns) are specified as parameters, with each name
+corresponding to a column name and each value corresponding to the value
+to set.
+
+Outcomes
+^^^^^^^^
+
++---------------+-------------------------------+
+| **success**   | Resource successfully saved   |
++---------------+-------------------------------+
+| **failure**   | Resource save failed          |
++---------------+-------------------------------+
+
+Example
+^^^^^^^
+
+::
+
+    <save plugin="`$sample-resource-plugin`" resource="vnf"
+        key="vnf-name = $requests.vnf.vnf-name" force="true"
+        pfx="requests.vnf">
+        <parameter name="vnf-name"
+            value="`$requests.cust-country-code + $requests.cust-id + $requests.cust-city + $requests.cust-state + '001VCE'`" />
+        <parameter name="vnf-type" value="vce" />
+        <parameter name="orchestration-status" value="pending-create" />
+        <parameter name="heat-stack-id" value="`$requests.heat-stack-id`" />
+        <parameter name="mso-catalog-key" value="`$requests.mso-catalog-key`" />
+        <parameter name="oam-ipv4-address" value="`$vce-ipv4-oam-addr.ipv4-addr`" />
+    </save>
+
+Update node
+~~~~~~~~~~~
+
+Description
+^^^^^^^^^^^
+
+An **update** node is used to update information about a particular
+resource to persistent storage.
+
+Attributes
+^^^^^^^^^^
+
++----------------+----------------------------------------------------------------------------------------+
+| **plugin**     | Fully qualified Java class of resource adaptor to be used                              |
++----------------+----------------------------------------------------------------------------------------+
+| **resource**   | Type of resource to update                                                             |
++----------------+----------------------------------------------------------------------------------------+
+| **key**        | SQL-like string specifying criteria for retrieval                                      |
++----------------+----------------------------------------------------------------------------------------+
+| **pfx**        | Prefix to be prepended to variable names, when attributes are set in SvcLogicContext   |
++----------------+----------------------------------------------------------------------------------------+
+
+Parameters
+^^^^^^^^^^
+
+Values to save (columns) are specified as parameters, with each name
+corresponding to a column name and each value corresponding to the value
+to set.
+
+Outcomes
+^^^^^^^^
+
++---------------+-------------------------------+
+| **success**   | Resource successfully saved   |
++---------------+-------------------------------+
+| **failure**   | Resource save failed          |
++---------------+-------------------------------+
+
+Example
+^^^^^^^
+
+::
+
+    <update plugin="`$sample-resource-plugin`" resource="vnf"
+        key="vnf-name = $requests.vnf.vnf-name"
+        pfx="requests.vnf">
+        <parameter name="vnf-name"
+            value="`$requests.cust-country-code + $requests.cust-id + $requests.cust-city + $requests.cust-state + '001VCE'`" />
+        <parameter name="vnf-type" value="vce" />
+        <parameter name="orchestration-status" value="pending-create" />
+        <parameter name="heat-stack-id" value="`$requests.heat-stack-id`" />
+        <parameter name="mso-catalog-key" value="`$requests.mso-catalog-key`" />
+        <parameter name="oam-ipv4-address" value="`$vce-ipv4-oam-addr.ipv4-addr`" />
+    </update>