use of com.linkedin.restli.restspec.FinderSchema in project rest.li by linkedin.
the class RestLiResourceRelationship method findDataModels.
private void findDataModels() {
final ResourceSchemaVisitior visitor = new BaseResourceSchemaVisitor() {
@Override
public void visitResourceSchema(VisitContext visitContext, ResourceSchema resourceSchema) {
final String schema = resourceSchema.getSchema();
// ActionSet resources do not have a schema
if (schema != null) {
final NamedDataSchema schemaSchema = extractSchema(schema);
if (schemaSchema != null) {
connectSchemaToResource(visitContext, schemaSchema);
}
}
}
@Override
public void visitCollectionResource(VisitContext visitContext, CollectionSchema collectionSchema) {
final IdentifierSchema id = collectionSchema.getIdentifier();
final NamedDataSchema typeSchema = extractSchema(id.getType());
if (typeSchema != null) {
connectSchemaToResource(visitContext, typeSchema);
}
final String params = id.getParams();
if (params != null) {
final NamedDataSchema paramsSchema = extractSchema(params);
if (paramsSchema != null) {
connectSchemaToResource(visitContext, paramsSchema);
}
}
}
@Override
public void visitAssociationResource(VisitContext visitContext, AssociationSchema associationSchema) {
for (AssocKeySchema key : associationSchema.getAssocKeys()) {
final NamedDataSchema keyTypeSchema = extractSchema(key.getType());
if (keyTypeSchema != null) {
connectSchemaToResource(visitContext, keyTypeSchema);
}
}
}
@Override
public void visitParameter(VisitContext visitContext, RecordTemplate parentResource, Object parentMethodSchema, ParameterSchema parameterSchema) {
String parameterTypeString = parameterSchema.getType();
if (// the parameter type field contains a inline schema, so we traverse into it
isInlineSchema(parameterTypeString)) {
visitInlineSchema(visitContext, parameterTypeString);
} else {
final NamedDataSchema schema;
// grab the schema name from it
if (parameterSchema.hasItems()) {
schema = extractSchema(parameterSchema.getItems());
} else // the only remaining possibility is that the type field contains the name of a data schema
{
schema = extractSchema(parameterTypeString);
}
if (schema != null) {
connectSchemaToResource(visitContext, schema);
}
}
}
@Override
public void visitFinder(VisitContext visitContext, RecordTemplate parentResource, FinderSchema finderSchema) {
final MetadataSchema metadata = finderSchema.getMetadata();
if (metadata != null) {
final NamedDataSchema metadataTypeSchema = extractSchema(metadata.getType());
if (metadataTypeSchema != null) {
connectSchemaToResource(visitContext, metadataTypeSchema);
}
}
}
@Override
public void visitAction(VisitContext visitContext, RecordTemplate parentResource, ResourceLevel resourceLevel, ActionSchema actionSchema) {
final String returns = actionSchema.getReturns();
if (returns != null) {
if (// the parameter type field contains a inline schema, so we traverse into it
isInlineSchema(returns)) {
visitInlineSchema(visitContext, returns);
} else // otherwise the type field contains the name of a data schema
{
final NamedDataSchema returnsSchema = extractSchema(returns);
if (returnsSchema != null) {
connectSchemaToResource(visitContext, returnsSchema);
}
}
}
final StringArray throwsArray = actionSchema.getThrows();
if (throwsArray != null) {
for (String errorName : throwsArray) {
final NamedDataSchema errorSchema = extractSchema(errorName);
if (errorSchema != null) {
connectSchemaToResource(visitContext, errorSchema);
}
}
}
}
private boolean isInlineSchema(String schemaString) {
return schemaString.startsWith("{");
}
private void visitInlineSchema(VisitContext visitContext, String schemaString) {
DataSchema schema = DataTemplateUtil.parseSchema(schemaString, _schemaResolver);
if (schema instanceof ArrayDataSchema) {
DataSchema itemSchema = ((ArrayDataSchema) schema).getItems();
if (itemSchema instanceof NamedDataSchema) {
connectSchemaToResource(visitContext, (NamedDataSchema) itemSchema);
}
}
if (schema instanceof MapDataSchema) {
DataSchema valueSchema = ((MapDataSchema) schema).getValues();
if (valueSchema instanceof NamedDataSchema) {
connectSchemaToResource(visitContext, (NamedDataSchema) valueSchema);
}
}
}
private void connectSchemaToResource(VisitContext visitContext, final NamedDataSchema schema) {
final Node<NamedDataSchema> schemaNode = _relationships.get(schema);
_dataModels.put(schema.getFullName(), schema);
final DataSchemaTraverse traveler = new DataSchemaTraverse();
traveler.traverse(schema, new DataSchemaTraverse.Callback() {
@Override
public void callback(List<String> path, DataSchema nestedSchema) {
if (nestedSchema instanceof RecordDataSchema && nestedSchema != schema) {
final RecordDataSchema nestedRecordSchema = (RecordDataSchema) nestedSchema;
_dataModels.put(nestedRecordSchema.getFullName(), nestedRecordSchema);
final Node<RecordDataSchema> node = _relationships.get(nestedRecordSchema);
schemaNode.addAdjacentNode(node);
}
}
});
final Node<ResourceSchema> resourceNode = _relationships.get(visitContext.getParentSchema());
resourceNode.addAdjacentNode(schemaNode);
schemaNode.addAdjacentNode(resourceNode);
}
};
ResourceSchemaCollection.visitResources(_resourceSchemas.getResources().values(), visitor);
}
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