## AWS AppSync Construct Library
<!--BEGIN STABILITY BANNER-->---
> All classes with the `Cfn` prefix in this module ([CFN Resources](https://docs.aws.amazon.com/cdk/latest/guide/constructs.html#constructs_lib)) are always stable and safe to use.
> The APIs of higher level constructs in this module are experimental and under active development. They are subject to non-backward compatible changes or removal in any future version. These are not subject to the [Semantic Versioning](https://semver.org/) model and breaking changes will be announced in the release notes. This means that while you may use them, you may need to update your source code when upgrading to a newer version of this package.
---
<!--END STABILITY BANNER-->
This module is part of the [AWS Cloud Development Kit](https://github.com/aws/aws-cdk) project.
## Usage Example
Given the following GraphQL schema file `schema.graphql`:
```graphql
type ServiceVersion {
version: String!
}
type Customer {
id: String!
name: String!
}
input SaveCustomerInput {
name: String!
}
type Order {
customer: String!
order: String!
}
type Query {
getServiceVersion: ServiceVersion
getCustomers: [Customer]
getCustomer(id: String): Customer
}
input FirstOrderInput {
product: String!
quantity: Int!
}
type Mutation {
addCustomer(customer: SaveCustomerInput!): Customer
saveCustomer(id: String!, customer: SaveCustomerInput!): Customer
removeCustomer(id: String!): Customer
saveCustomerWithFirstOrder(customer: SaveCustomerInput!, order: FirstOrderInput!, referral: String): Order
}
```
the following CDK app snippet will create a complete CRUD AppSync API:
```python
# Example automatically generated without compilation. See https://github.com/aws/jsii/issues/826
class ApiStack(Stack):
def __init__(self, scope, id):
super().__init__(scope, id)
user_pool = UserPool(self, "UserPool",
user_pool_name="myPool"
)
api = GraphQLApi(self, "Api",
name="demoapi",
log_config={
"field_log_level": FieldLogLevel.ALL
},
authorization_config={
"default_authorization": {
"user_pool": user_pool,
"default_action": UserPoolDefaultAction.ALLOW
},
"additional_authorization_modes": [{
"api_key_desc": "My API Key"
}
]
},
schema_definition_file="./schema.graphql"
)
none_dS = api.add_none_data_source("None", "Dummy data source")
none_dS.create_resolver(
type_name="Query",
field_name="getServiceVersion",
request_mapping_template=MappingTemplate.from_string(JSON.stringify(
version="2017-02-28"
)),
response_mapping_template=MappingTemplate.from_string(JSON.stringify(
version="v1"
))
)
customer_table = Table(self, "CustomerTable",
billing_mode=BillingMode.PAY_PER_REQUEST,
partition_key={
"name": "id",
"type": AttributeType.STRING
}
)
customer_dS = api.add_dynamo_db_data_source("Customer", "The customer data source", customer_table)
customer_dS.create_resolver(
type_name="Query",
field_name="getCustomers",
request_mapping_template=MappingTemplate.dynamo_db_scan_table(),
response_mapping_template=MappingTemplate.dynamo_db_result_list()
)
customer_dS.create_resolver(
type_name="Query",
field_name="getCustomer",
request_mapping_template=MappingTemplate.dynamo_db_get_item("id", "id"),
response_mapping_template=MappingTemplate.dynamo_db_result_item()
)
customer_dS.create_resolver(
type_name="Mutation",
field_name="addCustomer",
request_mapping_template=MappingTemplate.dynamo_db_put_item(
PrimaryKey.partition("id").auto(),
Values.projecting("customer")),
response_mapping_template=MappingTemplate.dynamo_db_result_item()
)
customer_dS.create_resolver(
type_name="Mutation",
field_name="saveCustomer",
request_mapping_template=MappingTemplate.dynamo_db_put_item(
PrimaryKey.partition("id").is("id"),
Values.projecting("customer")),
response_mapping_template=MappingTemplate.dynamo_db_result_item()
)
customer_dS.create_resolver(
type_name="Mutation",
field_name="saveCustomerWithFirstOrder",
request_mapping_template=MappingTemplate.dynamo_db_put_item(
PrimaryKey.partition("order").auto().sort("customer").is("customer.id"),
Values.projecting("order").attribute("referral").is("referral")),
response_mapping_template=MappingTemplate.dynamo_db_result_item()
)
customer_dS.create_resolver(
type_name="Mutation",
field_name="removeCustomer",
request_mapping_template=MappingTemplate.dynamo_db_delete_item("id", "id"),
response_mapping_template=MappingTemplate.dynamo_db_result_item()
)
```
aws-cdk.aws-appsync-1.42.0.tar.gz （15个子文件） 
aws-cdk.aws-appsync-1.42.0 
setup.cfg 38B README.md 6KB PKG-INFO 8KB src aws_cdk aws_appsync _jsii aws-appsync@1.42.0.jsii.tgz 106KB __init__.py 451B __init__.py 227KB py.typed 1B aws_cdk.aws_appsync.egg-info 
dependency_links.txt 1B PKG-INFO 8KB SOURCES.txt 448B top_level.txt 8B requires.txt 192B MANIFEST.in 23B pyproject.toml 110B setup.py 2KB资源评论
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