Fixed naming in query flows

Author: MrMatthewLayton

onixlabs-corda-core-workflow/src/main/kotlin/io/onixlabs/corda/core/workflow/FindStateFlow.kt

@@ -30,21 +30,21 @@ import kotlin.reflect.jvm.jvmErasure
  * Represents the base class for implementing flows to find individual states.
  *
  * @property criteria The vault query criteria expression.
- * @property specification The vault query page specification.
+ * @property pageSpecification The vault query page specification.
  * @property contractStateType The vault query contract state type.
  */
 @StartableByRPC
 @StartableByService
 abstract class FindStateFlow<T> : FlowLogic<StateAndRef<T>?>() where T : ContractState {
     protected abstract val criteria: QueryCriteria
-    protected abstract val specification: PageSpecification
+    protected abstract val pageSpecification: PageSpecification
 
     @Suppress("UNCHECKED_CAST")
     protected val contractStateType: Class<T>
         get() = javaClass.kotlin.supertypes[0].arguments[0].type?.jvmErasure?.javaObjectType as Class<T>
 
     @Suspendable
     override fun call(): StateAndRef<T>? {
-        return serviceHub.vaultService.queryBy(contractStateType, criteria, specification).states.singleOrNull()
+        return serviceHub.vaultService.queryBy(contractStateType, criteria, pageSpecification).states.singleOrNull()
     }
 }

onixlabs-corda-core-workflow/src/main/kotlin/io/onixlabs/corda/core/workflow/FindStatesFlow.kt

@@ -49,4 +49,4 @@ abstract class FindStatesFlow<T : ContractState> : FlowLogic<List<StateAndRef<T>
     override fun call(): List<StateAndRef<T>> {
         return serviceHub.vaultService.queryBy(contractStateType, criteria, pageSpecification, sorting).states
     }
-}
+}