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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<!--
  ============LICENSE_START=======================================================
  drools-applications
  ================================================================================
  Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
  ================================================================================
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
  ============LICENSE_END=========================================================
  -->

<!--
# PIP Engine Definition
#
xacml.pip.engines=get-operation-outcome
get-operation-outcome.classname=org.onap.policy.database.operationshistory.GetOperationOutcomePip
get-operation-outcome.issuer=urn:org:onap:xacml:guard:get-operation-outcome"
-->

<Policy xmlns="urn:oasis:names:tc:xacml:3.0:core:schema:wd-17" PolicyId="urn:com:att:xacml:policy:id:son:guard:UNIQUE_ID" Version="1" RuleCombiningAlgId="urn:oasis:names:tc:xacml:3.0:rule-combining-algorithm:permit-unless-deny">
  <Description>Policy for first_blocks_second coordination (if first running and second requests to run, deny second).</Description>
  <Target>
    <AnyOf>
      <AllOf>
        <Match MatchId="urn:oasis:names:tc:xacml:1.0:function:string-regexp-match">
          <!-- value to be autofilled by yaml from a xacml template -->
          <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">CONTROL_LOOP_TWO</AttributeValue>
          <AttributeDesignator Category="urn:oasis:names:tc:xacml:1.0:subject-category:access-subject" AttributeId="urn:org:onap:guard:clname:clname-id" DataType="http://www.w3.org/2001/XMLSchema#string" MustBePresent="false"/>
        </Match>
      </AllOf>
    </AnyOf>
  </Target>

  <Rule RuleId="urn:com:att:xacml:rule:id:1" Effect="Deny">
    <Description>First Is Running</Description>
    <Condition>
      <Apply FunctionId="urn:oasis:names:tc:xacml:1.0:function:string-equal">
        <VariableReference VariableId="clc_status"/>
        <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">Success</AttributeValue>
      </Apply>
    </Condition>
  </Rule>

  <VariableDefinition VariableId="clc_status">
    <Apply FunctionId="urn:oasis:names:tc:xacml:1.0:function:string-one-and-only">
      <!-- to be autofilled by yaml from a xacml template -->
      <AttributeDesignator Category="urn:oasis:names:tc:xacml:3.0:attribute-category:resource"
			   AttributeId="urn:org:onap:guard:operation:operation-outcome"
			   DataType="http://www.w3.org/2001/XMLSchema#string"
			   Issuer="urn:org:onap:xacml:guard:get-operation-outcome:clname:CONTROL_LOOP_ONE"
			   MustBePresent="false"/>
    </Apply>
  </VariableDefinition>
</Policy>