1.1.0 • Published 5 years ago
dynamodb-storage-backend v1.1.0
DynamoDB storage backend for entity-api
dynamodb-storage-backend provides DynamoDB storage for Entity API.
Installation
Using npm:
$ npm install --save dynamodb-storage-backend
Example usage
import AWS from 'aws-sdk'
import {
DynamoDBStorageBackend,
DynamoDBStorageHandler
} from 'dynamodb-storage-backend'
AWS.config.update({
region: 'eu-west1'
})
const DB_SCHEMAS = [
{
schema: {
TableName: 'message',
AttributeDefinitions: [
{
AttributeName: 'id',
AttributeType: 'S'
}
],
KeySchema: [
{
AttributeName: 'id',
KeyType: 'HASH'
}
],
ProvisionedThroughput: {
ReadCapacityUnits: '1',
WriteCapacityUnits: '1'
}
}
}
]
const backend = new DynamoDBStorageBackend({
dynamodb: new AWS.DynamoDB({
// Dynamodb endpoint to be used. This uses Dynamodb local
endpoint: new AWS.Endpoint('http://localhost:8000')
})
})
class MessageEntityType extends EntityType {
constructor(variables = {}) {
variables.entityTypeId = 'message'
variables.entityClass = MessageEntity
variables.handlers = {
storage: new DynamoDBStorageHandler({
tablePrefix: 'entity_',
storage: backend,
schemaData: DB_SCHEMAS
}),
view: new EntityViewHandler(variables),
}
super(variables)
}
}
Test
Run tests using npm:
$ npm run test
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