根据API文档,构建器类(例如AmazonDynamoDBClientBuilder)应该用于创建实例.
使用构建器类的示例代码: -
我已经为DynamoDB本地创建了客户端.
DynamoDB dynamoDB = new DynamoDB(AmazonDynamoDBClientBuilder.standard().withEndpointConfiguration(new EndpointConfiguration("http://localhost:8000", "us-east-1")).build());
Table table = dynamoDB.getTable("Movies");
使用DynamoDB表类扫描: -
private static void findProductsForPriceLessThanZero() {
Table table = dynamoDB.getTable(tableName);
Map expressionAttributeValues = new HashMap();
expressionAttributeValues.put(":pr", 100);
ItemCollection items = table.scan(
"Price < :pr", //FilterExpression
"Id, Title, ProductCategory, Price", //ProjectionExpression
null, //ExpressionAttributeNames - not used in this example
expressionAttributeValues);
System.out.println("Scan of " + tableName + " for items with a price less than 100.");
Iterator- iterator = items.iterator();
while (iterator.hasNext()) {
System.out.println(iterator.next().toJSONPretty());
}
}
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