pc11-ids-restrict-number-of-usage-example.json

{    
 "@context": {
 	"ids":"https://w3id.org/idsa/core/",
 	"idsc" : "https://w3id.org/idsa/code/"
 },    
 "@type": "ids:ContractOffer",    
 "@id": "http://example.com/policy/restrict-data-consumer/12",    
 "profile": "http://example.com/ids-profile",    
 "ids:provider": "http://example.com/party/my-party",    
 "ids:permission": [{    
 	"ids:target": {
 		"@id":"http://example.com/ids/data/d1234"
 	},    
	"ids:action": [{
		"@id":"idsc:USE"
	}],
	"ids:constraint": [{    
		"@type":"ids:Constraint",  
		"ids:leftOperand": { "@id": "idsc:COUNT"},  
		"ids:operator": { "@id": "idsc:LTEQ"},  
		"ids:rightOperand": { 
			"@value": "30",
			"@type": "xsd:decimal"
		}, 
		"ids:pipEndpoint":{
			"@type":"ids:PIP",
			"ids:interfaceDescription":{
				"@value":"https://example.com/ids/pip/id/count", 
				"@type":"xsd:anyURI"
			}, 
			"ids:endpointURI":{
				 "@value":"https://consumer.org/pip/ep/count", 
				"@type":"xsd:anyURI"
			} 
		} 
	}],
	"ids:postDuty": [{    
		"@type":"ids:Duty",  
		"ids:action": [{
			"@id":"idsc:INCREMENT_COUNTER", 
			"ids:pxpEndpoint":{
				"@type":"ids:PXP",
				"ids:interfaceDescription":{
					"@value":"https://example.com/ids/PXP/id/increment_counter", 
					"@type":"xsd:anyURI"
				}, 
					"ids:endpointURI":{
					"@value":"https://consumer.org/ep/increment_counter", 
					"@type":"xsd:anyURI"
				} 
			}
		}]
	}]
  }] 
}