all Requirement classes should be static strings

Author: mr-c

CommandLineTool.yml

@@ -784,7 +784,11 @@ $graph:
 
   fields:
     - name: class
-      type: string
+      type:
+        type: enum
+        name: DockerRequirement_class
+        symbols:
+          - cwl:DockerRequirement
       doc: "Always 'DockerRequirement'"
       jsonldPredicate:
         "_id": "@type"
@@ -826,7 +830,11 @@ $graph:
     the defined process.
   fields:
     - name: class
-      type: string
+      type:
+        type: enum
+        name: SoftwareRequirement_class
+        symbols:
+          - cwl:SoftwareRequirement
       doc: "Always 'SoftwareRequirement'"
       jsonldPredicate:
         "_id": "@type"
@@ -1007,10 +1015,13 @@ $graph:
     Together with `DockerRequirement.dockerOutputDirectory` this it
     possible to control the locations of both input and output files
     when running in containers.
-
   fields:
     - name: class
-      type: string
+      type:
+        type: enum
+        name: InitialWorkDirRequirement_class
+        symbols:
+          - cwl:InitialWorkDirRequirement
       doc: InitialWorkDirRequirement
       jsonldPredicate:
         "_id": "@type"
@@ -1066,7 +1077,11 @@ $graph:
     execution environment of the tool.  See `EnvironmentDef` for details.
   fields:
     - name: class
-      type: string
+      type:
+        type: enum
+        name: EnvVarRequirement_class
+        symbols:
+          - cwl:EnvVarRequirement
       doc: "Always 'EnvVarRequirement'"
       jsonldPredicate:
         "_id": "@type"
@@ -1092,7 +1107,11 @@ $graph:
     the use of shell metacharacters such as `|` for pipes.
   fields:
     - name: class
-      type: string
+      type:
+        type: enum
+        name: ShellCommandRequirement_class
+        symbols:
+          - cwl:ShellCommandRequirement
       doc: "Always 'ShellCommandRequirement'"
       jsonldPredicate:
         "_id": "@type"
@@ -1131,7 +1150,11 @@ $graph:
 
   fields:
     - name: class
-      type: string
+      type:
+        type: enum
+        name: ResourceRequirement_class
+        symbols:
+          - cwl:ResourceRequirement
       doc: "Always 'ResourceRequirement'"
       jsonldPredicate:
         "_id": "@type"
@@ -1242,7 +1265,11 @@ $graph:
     is enabled by default.
   fields:
     - name: class
-      type: string
+      type:
+        type: enum
+        name: WorkReuse_class
+        symbols:
+          - cwl:WorkReuse
       doc: "Always 'WorkReuse'"
       jsonldPredicate:
         "_id": "@type"
@@ -1274,7 +1301,11 @@ $graph:
 
   fields:
     - name: class
-      type: string
+      type:
+        type: enum
+        name: NetworkAccess_class
+        symbols:
+          - cwl:NetworkAccess
       doc: "Always 'NetworkAccess'"
       jsonldPredicate:
         "_id": "@type"
@@ -1319,7 +1350,11 @@ $graph:
 
   fields:
     class:
-      type: string
+      type:
+        type: enum
+        name: InplaceUpdateRequirement_class
+        symbols:
+          - cwl:InplaceUpdateRequirement
       doc: "Always 'InplaceUpdateRequirement'"
       jsonldPredicate:
         "_id": "@type"
@@ -1340,7 +1375,11 @@ $graph:
     wall-time for the execution of the command line itself.
   fields:
     - name: class
-      type: string
+      type:
+        type: enum
+        name: ToolTimeLimit_class
+        symbols:
+          - cwl:ToolTimeLimit
       doc: "Always 'ToolTimeLimit'"
       jsonldPredicate:
         "_id": "@type"

Process.yml

@@ -887,7 +887,11 @@ $graph:
     interpolatation.
   fields:
     - name: class
-      type: string
+      type:
+        type: enum
+        name: InlineJavascriptRequirement_class
+        symbols:
+          - cwl:InlineJavascriptRequirement
       doc: "Always 'InlineJavascriptRequirement'"
       jsonldPredicate:
         "_id": "@type"
@@ -923,7 +927,11 @@ $graph:
 
   fields:
     - name: class
-      type: string
+      type:
+        type: enum
+        name: SchemaDefRequirement_class
+        symbols:
+          - cwl:SchemaDefRequirement
       doc: "Always 'SchemaDefRequirement'"
       jsonldPredicate:
         "_id": "@type"
@@ -1021,7 +1029,11 @@ $graph:
     a Directory object for use by expressions.
   fields:
     class:
-      type: string
+      type:
+        type: enum
+        name: LoadListingRequirement_class
+        symbols:
+          - cwl:LoadListingRequirement
       doc: "Always 'LoadListingRequirement'"
       jsonldPredicate:
         "_id": "@type"

Workflow.yml

@@ -729,7 +729,11 @@ $graph:
     the `run` field of [WorkflowStep](#WorkflowStep).
   fields:
     - name: "class"
-      type: "string"
+      type:
+        type: enum
+        name: SubworkflowFeatureRequirement_class
+        symbols:
+          - cwl:SubworkflowFeatureRequirement
       doc: "Always 'SubworkflowFeatureRequirement'"
       jsonldPredicate:
         "_id": "@type"
@@ -743,7 +747,11 @@ $graph:
     `scatterMethod` fields of [WorkflowStep](#WorkflowStep).
   fields:
     - name: "class"
-      type: "string"
+      type:
+        type: enum
+        name: ScatterFeatureRequirement_class
+        symbols:
+          - cwl:ScatterFeatureRequirement
       doc: "Always 'ScatterFeatureRequirement'"
       jsonldPredicate:
         "_id": "@type"
@@ -757,7 +765,11 @@ $graph:
     listed in the `source` field of [WorkflowStepInput](#WorkflowStepInput).
   fields:
     - name: "class"
-      type: "string"
+      type:
+        type: enum
+        name: MultipleInputFeatureRequirement_class
+        symbols:
+          - cwl:MultipleInputFeatureRequirement
       doc: "Always 'MultipleInputFeatureRequirement'"
       jsonldPredicate:
         "_id": "@type"
@@ -771,7 +783,11 @@ $graph:
     of [WorkflowStepInput](#WorkflowStepInput).
   fields:
     - name: "class"
-      type: "string"
+      type:
+        type: enum
+        name: StepInputExpressionRequirement_class
+        symbols:
+          - cwl:StepInputExpressionRequirement
       doc: "Always 'StepInputExpressionRequirement'"
       jsonldPredicate:
         "_id": "@type"