Examples with NamedDataSchema com.linkedin.data.schema.NamedDataSchema used on opensource projects

Example 41 with NamedDataSchema

use of com.linkedin.data.schema.NamedDataSchema in project rest.li by linkedin.

the class RestLiResourceRelationship method extractSchema.

private NamedDataSchema extractSchema(String className) {
    if (_schemaParser == null) {
        // 'online mode': resolve data schema from RecordTemplate Class SCHEMA field
        final StringBuilder errorMessage = new StringBuilder();
        final NamedDataSchema schema = _schemaResolver.findDataSchema(className, errorMessage);
        if (errorMessage.length() > 0) {
            return null;
        }
        return schema;
    } else {
        // 'offline mode': resolve data schema from input
        final DataSchema schema = _schemaParser.lookupName(className);
        // we're currently only interested in records
        return schema instanceof RecordDataSchema ? (RecordDataSchema) schema : null;
    }
}

Example 42 with NamedDataSchema

use of com.linkedin.data.schema.NamedDataSchema 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);
}

Example 43 with NamedDataSchema

use of com.linkedin.data.schema.NamedDataSchema in project rest.li by linkedin.

the class AbstractSnapshot method parseModels.

protected Map<String, NamedDataSchema> parseModels(DataList models) throws IOException {
    final Map<String, NamedDataSchema> parsedModels = new HashMap<String, NamedDataSchema>();
    for (Object modelObj : models) {
        NamedDataSchema dataSchema;
        if (modelObj instanceof DataMap) {
            DataMap model = (DataMap) modelObj;
            dataSchema = (NamedDataSchema) RestSpecCodec.textToSchema(_dataCodec.mapToString(model), _dataSchemaResolver);
        } else if (modelObj instanceof String) {
            String str = (String) modelObj;
            dataSchema = (NamedDataSchema) RestSpecCodec.textToSchema(str, _dataSchemaResolver);
        } else {
            throw new IOException("Found " + modelObj.getClass() + " in models list; Models must be strings or DataMaps.");
        }
        parsedModels.put(dataSchema.getFullName(), dataSchema);
    }
    return parsedModels;
}

Example 44 with NamedDataSchema

use of com.linkedin.data.schema.NamedDataSchema in project rest.li by linkedin.

the class RestLiSnapshotCompatibilityChecker method createResolverFromSnapshot.

private static DataSchemaResolver createResolverFromSnapshot(AbstractSnapshot snapshot, String resolverPath) {
    final DataSchemaResolver resolver = CompatibilityUtil.getDataSchemaResolver(resolverPath);
    for (Map.Entry<String, NamedDataSchema> entry : snapshot.getModels().entrySet()) {
        Name name = new Name(entry.getKey());
        NamedDataSchema schema = entry.getValue();
        resolver.bindNameToSchema(name, schema, DataSchemaLocation.NO_LOCATION);
    }
    return resolver;
}

Example 45 with NamedDataSchema

use of com.linkedin.data.schema.NamedDataSchema in project rest.li by linkedin.

the class TestSnapshot method testCircularlyDependentModels.

// Test to make sure that Snapshots handle interpreting circularly dependent models correctly.
@Test
public void testCircularlyDependentModels() throws IOException {
    InputStream stream = getClass().getClassLoader().getResourceAsStream(SNAPSHOTS_DIR + FS + CIRCULAR_FILE);
    Snapshot snapshot = new Snapshot(stream);
    Map<String, NamedDataSchema> models = snapshot.getModels();
    Assert.assertEquals(models.size(), 4);
    List<String> expectedModelNames = new ArrayList<String>();
    expectedModelNames.add("com.linkedin.restli.tools.snapshot.circular.A");
    expectedModelNames.add("com.linkedin.restli.tools.snapshot.circular.B");
    expectedModelNames.add("com.linkedin.restli.tools.snapshot.circular.C");
    expectedModelNames.add("com.linkedin.restli.tools.snapshot.circular.D");
    for (String expectedModelName : expectedModelNames) {
        Assert.assertTrue(models.containsKey(expectedModelName), "Expected model " + expectedModelName + " in list of models for " + CIRCULAR_FILE);
    }
}